{ "meta": { "schema_version": "1.0.0", "dataset_name": "SMRMap small modular reactor projects dataset", "publisher": "Fillip Kosorukov", "license": "CC BY 4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "generated": "2026-10-01", "coverage_statement": "First release covers a curated cohort of well-evidenced SMR and labeled microreactor deployment projects across several countries. It is NOT a complete global inventory of every announced SMR concept, vendor brochure, or large-reactor site.", "smr_inclusion": "SMRMap includes deployment projects for designs that are factory-fabricatable or modularly deployable and generally at or below about 300 MWe per module (some multi-module plants exceed that site total), OR that a competent regulator or IAEA ARIS entry classifies as an SMR/microreactor. Low electrical output alone is not sufficient. Microreactors are labeled separately. Rolls-Royce SMR (~470 MWe) is included with an explicit capacity-check note.", "attribution": [ "Quoted excerpts and linked primary sources remain copyright of their owners.", "NuclearChain data exports (CC BY 4.0) and GEM Global Nuclear Power Tracker (CC BY 4.0) were consulted as starting material; published project facts were independently checked against regulator/company/IAEA sources where cited. Do not treat NC operating-reactor feeds as SMR permitting progress.", "Map tiles: \u00a9 OpenStreetMap contributors (ODbL). Leaflet: BSD-2-Clause." ], "update_process": "1) Edit canonical JSON under data/. 2) python3 -B scripts/validate.py. 3) python3 -B -m unittest discover -s tests -p 'test_*.py'. 4) python3 -B scripts/build_site.py --out dist/preview. 5) Browser-check filters/map. 6) Only authorized --release builds may replace dist/site." }, "projects": [ { "stable_id": "prj-htr-pm-shidaowan", "name": "HTR-PM Shidaowan demonstration", "slug": "htr-pm-shidaowan", "country": "CN", "site_id": "site-shidaowan", "design_id": "dsn-htr-pm", "operator_ids": [ "org-huaneng" ], "vendor_ids": [ "org-cnnc" ], "stage": "operating", "design_class": "smr", "module_count_planned": 2, "module_count_operating": 2, "electrical_mwe": 210, "electrical_basis": "gross", "thermal_mwth": 500, "thermal_basis": "nameplate_unspecified", "capacity_scope": "plant", "commercial_operation": { "value": "2023-12", "precision": "month", "basis": "actual" }, "summary": "Twin-module HTGR demonstration plant reported in commercial operation.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cae-htrpm", "src-pris", "src-gem-gnpt" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-lomonosov", "name": "Akademik Lomonosov floating NPP", "slug": "akademik-lomonosov", "country": "RU", "site_id": "site-pevek", "design_id": "dsn-klt40s", "operator_ids": [ "org-rosatom" ], "vendor_ids": [ "org-rosatom" ], "stage": "operating", "design_class": "smr", "module_count_planned": 2, "module_count_operating": 2, "electrical_mwe": 70, "electrical_basis": "gross", "thermal_mwth": 300, "thermal_basis": "nameplate_unspecified", "capacity_scope": "plant", "commercial_operation": { "value": "2020", "precision": "year", "basis": "actual" }, "summary": "Floating twin KLT-40S heat-and-power plant at Pevek.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-rosatom-lomonosov", "src-pris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-linglong-one", "name": "Linglong One (ACP100) Changjiang", "slug": "linglong-one-changjiang", "country": "CN", "site_id": "site-changjiang", "design_id": "dsn-acp100", "operator_ids": [ "org-cnnc" ], "vendor_ids": [ "org-cnnc" ], "stage": "commissioning", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 125, "electrical_basis": "gross", "thermal_mwth": 385, "thermal_basis": "nameplate_unspecified", "capacity_scope": "module", "planned_commercial_operation": { "value": "2026", "precision": "year", "basis": "planned" }, "summary": "Land-based ACP100 SMR in pre-commissioning/testing; commercial operation targeted in 2026 but not treated as achieved here without PRIS confirmation.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-energynote-2026", "src-pris", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-carem25", "name": "CAREM-25", "slug": "carem-25", "country": "AR", "site_id": "site-carem-lima", "design_id": "dsn-carem25", "operator_ids": [ "org-cnea" ], "vendor_ids": [ "org-cnea" ], "stage": "suspended", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 25, "electrical_basis": "net", "thermal_mwth": 100, "thermal_basis": "nameplate_unspecified", "capacity_scope": "module", "summary": "Argentine prototype iPWR; construction widely reported incomplete/halted (~85% in secondary sources). Treat stage as suspended pending fresh primary confirmation.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-energynote-2026", "src-iaea-aris", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-darlington-bwrx", "name": "Darlington BWRX-300 Unit 1", "slug": "darlington-bwrx-300", "country": "CA", "site_id": "site-darlington", "design_id": "dsn-bwrx-300", "operator_ids": [ "org-opg" ], "vendor_ids": [ "org-gevh" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 300, "electrical_basis": "net", "capacity_scope": "module", "construction_licence": { "value": "2025-04", "precision": "month", "basis": "actual" }, "planned_grid_connection": { "value": "2030", "precision": "year", "basis": "planned" }, "summary": "First Western FOAK BWRX-300 under CNSC licence to construct; OPG applied for licence to operate in March 2026. Up to three additional units possible later.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnsc-darlington" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-natrium-kemmerer", "name": "Natrium Kemmerer Unit 1", "slug": "natrium-kemmerer", "country": "US", "site_id": "site-kemmerer", "design_id": "dsn-natrium", "operator_ids": [ "org-terrapower" ], "vendor_ids": [ "org-terrapower" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 345, "electrical_basis": "net", "electrical_peak_mwe": 500, "capacity_scope": "module", "construction_permit": { "value": "2026-03", "precision": "month", "basis": "actual" }, "planned_commercial_operation": { "value": "2031", "precision": "year", "basis": "planned" }, "summary": "Natrium demonstration plant at Kemmerer; NRC construction permit and nuclear construction reported in 2026 secondary sources \u2014 confirm ADAMS ML package for high-confidence legal citation.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-nrc-terrapower", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-hermes-1", "name": "Kairos Hermes 1", "slug": "kairos-hermes-1", "country": "US", "site_id": "site-oak-ridge-hermes", "design_id": "dsn-hermes", "operator_ids": [ "org-kairos" ], "vendor_ids": [ "org-kairos" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": null, "electrical_basis": "thermal_only", "thermal_mwth": 35, "thermal_basis": "nameplate_unspecified", "capacity_scope": "module", "construction_permit": { "value": "2023-12", "precision": "month", "basis": "actual" }, "summary": "Non-power fluoride-salt-cooled test reactor under NRC construction permit. Not an electrical generator.", "inclusion_basis": "smr_by_regulator_classification", "sources": [ "src-nrc-kairos-hermes" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-hermes-2", "name": "Kairos Hermes 2", "slug": "kairos-hermes-2", "country": "US", "site_id": "site-oak-ridge-hermes", "design_id": "dsn-hermes", "operator_ids": [ "org-kairos" ], "vendor_ids": [ "org-kairos" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 50, "electrical_basis": "net", "capacity_scope": "module", "construction_permit": { "value": "2024-11", "precision": "month", "basis": "actual" }, "planned_commercial_operation": { "value": "2030", "precision": "year", "basis": "planned" }, "summary": "Power-producing Hermes 2 demonstration; groundbreaking reported April 2026 in secondary sources.", "inclusion_basis": "smr_by_regulator_classification", "sources": [ "src-nrc-kairos-hermes", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-long-mott", "name": "Long Mott Generating Facility (Xe-100 at Dow Seadrift)", "slug": "long-mott-xe-100", "country": "US", "site_id": "site-seadrift", "design_id": "dsn-xe-100", "operator_ids": [ "org-dow" ], "vendor_ids": [ "org-xenergy" ], "stage": "licensing", "design_class": "smr", "module_count_planned": 4, "electrical_mwe": 320, "electrical_basis": "net", "capacity_scope": "plant", "summary": "Four Xe-100 modules proposed for industrial electricity and steam. Construction permit under NRC review; EA/FONSI reported May 2026. Final investment decision not claimed.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-nrc-xenergy-dow" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-clinch-river-bwrx", "name": "TVA Clinch River BWRX-300", "slug": "clinch-river-bwrx-300", "country": "US", "site_id": "site-clinch-river", "design_id": "dsn-bwrx-300", "operator_ids": [ "org-tva" ], "vendor_ids": [ "org-gevh" ], "stage": "licensing", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 300, "electrical_basis": "net", "capacity_scope": "module", "summary": "TVA Clinch River BWRX-300 construction permit proceeding before the NRC (status evolving through 2026 hearings).", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnn-smr-explained", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-aurora-inl", "name": "Oklo Aurora-INL", "slug": "oklo-aurora-inl", "country": "US", "site_id": "site-inl-aurora", "design_id": "dsn-aurora", "operator_ids": [ "org-oklo" ], "vendor_ids": [ "org-oklo" ], "stage": "construction", "design_class": "microreactor", "module_count_planned": 1, "electrical_mwe": 75, "electrical_basis": "nameplate_unspecified", "capacity_scope": "module", "summary": "Compact Aurora powerhouse under DOE Reactor Pilot Program at INL (not an NRC operating licence). Microreactor label applied.", "inclusion_basis": "microreactor_labeled", "sources": [ "src-oklo-pdsa-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-arc100-lepreau", "name": "NB Power ARC-100 at Point Lepreau", "slug": "arc-100-point-lepreau", "country": "CA", "site_id": "site-point-lepreau", "design_id": "dsn-arc-100", "operator_ids": [ "org-nbpower" ], "vendor_ids": [ "org-arc" ], "stage": "siting", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 100, "electrical_basis": "net", "capacity_scope": "module", "summary": "Licence to prepare site application under CNSC review since June 2023; installed capacity listed TBD by CNSC page.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnsc-nbpower" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-brest-od-300", "name": "BREST-OD-300 Seversk", "slug": "brest-od-300", "country": "RU", "site_id": "site-seversk", "design_id": "dsn-brest-od-300", "operator_ids": [ "org-rosatom" ], "vendor_ids": [ "org-rosatom" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 300, "electrical_basis": "gross", "capacity_scope": "module", "summary": "Lead-cooled fast demonstration reactor under construction at Seversk.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-wna-smr", "src-energynote-2026", "src-gem-gnpt" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-ritm-jizzakh", "name": "RITM-200N Jizzakh", "slug": "ritm-200n-jizzakh", "country": "UZ", "site_id": "site-jizzakh", "design_id": "dsn-ritm-200n", "operator_ids": [ "org-rosatom" ], "vendor_ids": [ "org-rosatom" ], "stage": "construction", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 55, "electrical_basis": "gross", "capacity_scope": "module", "summary": "Reported first land-based RITM-200N export construction in Uzbekistan. Low coordinate confidence; verify against Uzatom/Rosatom primaries.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnn-smr-explained", "src-wna-smr" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-rr-wylfa", "name": "Rolls-Royce SMR Wylfa", "slug": "rolls-royce-smr-wylfa", "country": "GB", "site_id": "site-wylfa", "design_id": "dsn-rr-smr", "operator_ids": [], "vendor_ids": [ "org-rolls-royce-smr" ], "stage": "announced", "design_class": "smr", "module_count_planned": 3, "electrical_mwe": 1410, "electrical_basis": "net", "capacity_scope": "plant", "summary": "Three-unit Wylfa selection/contract reported 2026; GDA in progress. No nuclear concrete claimed. Electrical total is 3\u00d7~470 MWe.", "inclusion_basis": "smr_by_vendor_claim_with_capacity_check", "sources": [ "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-nuscale-romania", "name": "NuScale VOYGR Doice\u0219ti (Romania)", "slug": "nuscale-doicesti", "country": "RO", "site_id": "site-doicesti", "design_id": "dsn-voygr", "operator_ids": [], "vendor_ids": [ "org-nuscale" ], "stage": "announced", "design_class": "smr", "module_count_planned": 6, "electrical_mwe": 462, "electrical_basis": "gross", "capacity_scope": "plant", "summary": "Romania VOYGR project reported to have taken FID in secondary 2026 coverage; treat schedule and FID as medium confidence until primary filings are linked.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-energynote-2026", "src-cnn-smr-explained" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-holtec-palisades", "name": "Holtec SMR-300 Palisades area", "slug": "holtec-smr-300-palisades", "country": "US", "site_id": "site-palisades", "design_id": "dsn-smr-300", "operator_ids": [ "org-holtec" ], "vendor_ids": [ "org-holtec" ], "stage": "announced", "design_class": "smr", "module_count_planned": 1, "electrical_mwe": 300, "electrical_basis": "net", "capacity_scope": "module", "summary": "Proposed SMR-300 near Palisades; early planned stage.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-uamps-cfpp", "name": "UAMPS Carbon Free Power Project (cancelled)", "slug": "uamps-cfpp-cancelled", "country": "US", "site_id": "site-idaho-cfpp", "design_id": "dsn-voygr", "operator_ids": [ "org-uamps" ], "vendor_ids": [ "org-nuscale" ], "stage": "cancelled", "design_class": "smr", "module_count_planned": 6, "electrical_mwe": 462, "electrical_basis": "gross", "capacity_scope": "plant", "cancelled": { "value": "2023-11", "precision": "month", "basis": "actual" }, "summary": "Cancelled NuScale VOYGR municipal project at INL. Retained for historical SMR program coverage \u2014 not an active deployment.", "inclusion_basis": "historical_smr_program", "sources": [ "src-wna-smr" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "map": true }, { "stable_id": "prj-rr-pipeline-undisclosed", "name": "Rolls-Royce SMR additional sites (undisclosed pins)", "slug": "rolls-royce-smr-undisclosed", "country": "GB", "site_id": "site-undisclosed-rr-other", "design_id": "dsn-rr-smr", "operator_ids": [], "vendor_ids": [ "org-rolls-royce-smr" ], "stage": "announced", "design_class": "smr", "module_count_planned": null, "electrical_mwe": null, "electrical_basis": "unknown", "capacity_scope": "unknown", "summary": "Buyer discussions beyond Wylfa are searchable here without inventing map coordinates.", "inclusion_basis": "smr_by_vendor_claim_with_capacity_check", "sources": [ "src-energynote-2026" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified", "map": false } ], "designs": [ { "stable_id": "dsn-bwrx-300", "name": "BWRX-300", "vendor_ids": [ "org-gevh" ], "technology_family": "BWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 300, "module_electrical_basis": "net", "module_thermal_mwth": 870, "module_thermal_basis": "nameplate_unspecified", "summary": "Natural-circulation boiling-water SMR ~300 MWe per module.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnsc-darlington", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-natrium", "name": "Natrium", "vendor_ids": [ "org-terrapower" ], "technology_family": "SFR", "coolant": "sodium", "neutron_spectrum": "fast", "design_class": "smr", "module_electrical_mwe": 345, "module_electrical_basis": "net", "module_electrical_peak_mwe": 500, "module_electrical_peak_note": "Peak with molten-salt energy storage discharge; not continuous nameplate.", "module_thermal_mwth": 840, "module_thermal_basis": "nameplate_unspecified", "summary": "Sodium fast reactor with integrated energy storage; ~345 MWe continuous, higher peak with storage.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-nrc-terrapower", "src-iaea-aris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-hermes", "name": "Hermes / KP-FHR", "vendor_ids": [ "org-kairos" ], "technology_family": "FHR", "coolant": "molten_salt", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": null, "module_electrical_basis": "thermal_only", "module_thermal_mwth": 35, "module_thermal_basis": "nameplate_unspecified", "hermes2_electrical_mwe": 50, "summary": "Fluoride-salt-cooled HTGR family. Hermes 1 is a non-power test reactor (~35 MWth); Hermes 2 is a power-producing demonstration (~50 MWe class).", "inclusion_basis": "smr_by_regulator_classification", "sources": [ "src-nrc-kairos-hermes" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-xe-100", "name": "Xe-100", "vendor_ids": [ "org-xenergy" ], "technology_family": "HTGR", "coolant": "helium", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 80, "module_electrical_basis": "net", "module_thermal_mwth": 200, "module_thermal_basis": "nameplate_unspecified", "summary": "High-temperature gas-cooled pebble-bed SMR ~80 MWe per module; often deployed in multi-module plants.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-nrc-xenergy-dow", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-aurora", "name": "Aurora", "vendor_ids": [ "org-oklo" ], "technology_family": "SFR", "coolant": "sodium", "neutron_spectrum": "fast", "design_class": "microreactor", "module_electrical_mwe": 75, "module_electrical_basis": "nameplate_unspecified", "module_electrical_range_note": "Public materials cite a range up to ~75 MWe class; exact FOAK output may differ.", "module_thermal_mwth": null, "module_thermal_basis": "unknown", "summary": "Compact fast fission powerhouse. Labeled microreactor/compact class on SMRMap (not a large SMR).", "inclusion_basis": "microreactor_labeled", "sources": [ "src-oklo-pdsa-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-voygr", "name": "NuScale VOYGR (US460 / NPM)", "vendor_ids": [ "org-nuscale" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 77, "module_electrical_basis": "gross", "module_thermal_mwth": 250, "module_thermal_basis": "nameplate_unspecified", "summary": "Integral PWR module; US460 configuration uses six ~77 MWe modules (~462 MWe plant). Earlier 50 MWe design was certified; capacity basis differs by configuration.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-wna-smr", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-rr-smr", "name": "Rolls-Royce SMR", "vendor_ids": [ "org-rolls-royce-smr" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 470, "module_electrical_basis": "net", "module_thermal_mwth": null, "module_thermal_basis": "unknown", "summary": "UK PWR SMR ~470 MWe. Electrical output is above the informal ~300 MWe band; included because it is regulated and marketed as an SMR / factory-fabricated PWR plant.", "inclusion_basis": "smr_by_vendor_claim_with_capacity_check", "sources": [ "src-energynote-2026", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-arc-100", "name": "ARC-100", "vendor_ids": [ "org-arc" ], "technology_family": "SFR", "coolant": "sodium", "neutron_spectrum": "fast", "design_class": "smr", "module_electrical_mwe": 100, "module_electrical_basis": "net", "module_thermal_mwth": 286, "module_thermal_basis": "nameplate_unspecified", "summary": "Sodium-cooled fast SMR ~100 MWe proposed for Point Lepreau.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnsc-nbpower", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-htr-pm", "name": "HTR-PM", "vendor_ids": [ "org-huaneng", "org-cnnc" ], "technology_family": "HTGR", "coolant": "helium", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 210, "module_electrical_basis": "gross", "module_electrical_note": "Twin-reactor module plant ~200\u2013210 MWe class; per-reactor thermal ~250 MWth.", "module_thermal_mwth": 500, "module_thermal_basis": "nameplate_unspecified", "summary": "Modular high-temperature gas-cooled demonstration plant (two reactor modules, one turbine).", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cae-htrpm", "src-pris", "src-iaea-aris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-acp100", "name": "ACP100 (Linglong One)", "vendor_ids": [ "org-cnnc" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 125, "module_electrical_basis": "gross", "module_thermal_mwth": 385, "module_thermal_basis": "nameplate_unspecified", "summary": "Chinese land-based iPWR SMR ~125 MWe.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-wna-smr", "src-pris", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-carem25", "name": "CAREM-25", "vendor_ids": [ "org-cnea" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 25, "module_electrical_basis": "net", "module_thermal_mwth": 100, "module_thermal_basis": "nameplate_unspecified", "summary": "Argentine integral PWR prototype ~25 MWe.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-iaea-aris", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-klt40s", "name": "KLT-40S", "vendor_ids": [ "org-rosatom" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 35, "module_electrical_basis": "gross", "module_thermal_mwth": 150, "module_thermal_basis": "nameplate_unspecified", "summary": "Marine-derived PWR used as twin units on Akademik Lomonosov (~70 MWe plant).", "inclusion_basis": "smr_by_design_class", "sources": [ "src-rosatom-lomonosov", "src-pris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-brest-od-300", "name": "BREST-OD-300", "vendor_ids": [ "org-rosatom" ], "technology_family": "LFR", "coolant": "lead", "neutron_spectrum": "fast", "design_class": "smr", "module_electrical_mwe": 300, "module_electrical_basis": "gross", "module_thermal_mwth": 700, "module_thermal_basis": "nameplate_unspecified", "summary": "Lead-cooled fast demonstration reactor ~300 MWe at Seversk.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-wna-smr", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-ritm-200n", "name": "RITM-200N", "vendor_ids": [ "org-rosatom" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 55, "module_electrical_basis": "gross", "module_thermal_mwth": 190, "module_thermal_basis": "nameplate_unspecified", "summary": "Land-based derivative of RITM-200 marine PWR; export plant reported under construction in Uzbekistan.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-cnn-smr-explained", "src-wna-smr" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-smr-300", "name": "Holtec SMR-300", "vendor_ids": [ "org-holtec" ], "technology_family": "iPWR", "coolant": "light_water", "neutron_spectrum": "thermal", "design_class": "smr", "module_electrical_mwe": 300, "module_electrical_basis": "net", "module_thermal_mwth": null, "module_thermal_basis": "unknown", "summary": "Holtec light-water SMR ~300 MWe proposed for Palisades area deployment.", "inclusion_basis": "smr_by_design_class", "sources": [ "src-energynote-2026", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-banr", "name": "BWXT BANR", "summary": "BWXT Advanced Nuclear Reactor \u2014 modular factory-fabricated helium-cooled HTGR microreactor (company materials: ~75 MWt). DOE ARDP risk-reduction program. No civilian deployment project is tracked in this SMRMap release.", "technology_family": "HTGR", "coolant": "helium", "neutron_spectrum": "thermal", "design_class": "microreactor", "inclusion_basis": "microreactor_labeled", "module_electrical_mwe": null, "module_electrical_basis": "unknown", "module_thermal_mwth": 75, "module_thermal_basis": "nameplate_unspecified", "vendor_ids": [ "org-bwxt" ], "sources": [ "src-bwxt-banr", "src-bwxt-commercial-nuclear-2025" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" }, { "stable_id": "dsn-imsr", "name": "IMSR (Integral Molten Salt Reactor)", "summary": "Terrestrial Energy Integral Molten Salt Reactor small modular plant concept. No deployment project is tracked in this SMRMap release yet.", "technology_family": "MSR", "coolant": "molten_salt", "neutron_spectrum": "thermal", "design_class": "smr", "inclusion_basis": "smr_by_vendor_claim_with_capacity_check", "module_electrical_mwe": null, "module_electrical_basis": "unknown", "module_thermal_mwth": null, "module_thermal_basis": "unknown", "vendor_ids": [ "org-terrestrial" ], "sources": [ "src-terrestrial-nasdaq-imsr", "src-iaea-aris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified" } ], "organizations": [ { "stable_id": "org-opg", "name": "Ontario Power Generation", "org_type": "operator", "country": "CA", "summary": "Canadian Crown utility deploying BWRX-300 at Darlington New Nuclear Project.", "sources": [ "src-cnsc-darlington" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.opg.com/", "aliases": [ "OPG" ], "roles": [ "operator", "utility" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "Province of Ontario Crown corporation; not a reactor-developer listing.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "ontario-power-generation" }, { "stable_id": "org-gevh", "name": "GE Vernova Hitachi Nuclear Energy", "org_type": "vendor", "country": "US", "summary": "Vendor of the BWRX-300 boiling-water SMR. Tracked deployments include OPG Darlington Unit 1 and TVA Clinch River.", "sources": [ "src-cnsc-darlington", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.gevernova.com/nuclear", "aliases": [ "GE Hitachi Nuclear Energy", "GE Vernova Hitachi", "GEVH" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "mixed", "ownership_notes": "Nuclear JV / business under GE Vernova and Hitachi structures. Parent GE Vernova is publicly listed (NYSE: GEV) but that ticker is NOT assigned to this SMR vendor entity.", "ownership_verified_date": "2026-10-01", "parent_relationships": [ { "related_name": "GE Vernova", "relationship": "parent_or_affiliate", "as_of": "2026-10-01", "notes": "Listed parent context (NYSE: GEV); not a subsidiary IPO.", "source": "src-iaea-aris" }, { "related_name": "Hitachi", "relationship": "parent_or_affiliate", "as_of": "2026-10-01", "notes": "Hitachi participation in nuclear JV lineage.", "source": "src-iaea-aris" } ], "milestones": [], "unresolved": [ "Exact current legal-entity ownership percentages between GE Vernova and Hitachi not restated here." ], "slug": "ge-vernova-hitachi-nuclear-energy" }, { "stable_id": "org-terrapower", "name": "TerraPower", "org_type": "vendor", "country": "US", "summary": "Privately held developer of the Natrium sodium fast reactor with molten-salt energy storage. First commercial unit under construction pathway at Kemmerer, Wyoming.", "sources": [ "src-terrapower-fundraise-2025", "src-nrc-terrapower", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.terrapower.com/", "aliases": [ "Natrium" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": "src-terrapower-fundraise-2025", "listing_verified_date": "2026-10-01", "ownership_control": "private", "ownership_notes": "June 2025 company statement after $650M fundraise: will continue to be privately held. Rechecked 2026-10-01; no IPO identified in this pass.", "ownership_verified_date": "2026-10-01", "milestones": [ { "date": "2025-06-18", "text": "Closed $650M fundraise; reiterated privately held status.", "source": "src-terrapower-fundraise-2025" } ], "unresolved": [ "Exact Natrium CP ML citation still pending higher-confidence ADAMS link." ], "parent_relationships": [], "slug": "terrapower" }, { "stable_id": "org-kairos", "name": "Kairos Power", "org_type": "vendor", "country": "US", "summary": "Privately held developer of fluoride-salt-cooled high-temperature reactors (Hermes demonstration series) with NRC construction permits for Hermes 1 and Hermes 2.", "sources": [ "src-nrc-kairos-hermes" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://kairospower.com/", "aliases": [ "Kairos" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "private", "ownership_notes": "No public listing identified as of 2026-10-01 review.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "kairos-power" }, { "stable_id": "org-xenergy", "name": "X-energy", "org_type": "vendor", "country": "US", "summary": "Publicly listed developer of the Xe-100 high-temperature gas-cooled SMR and TRISO fuel manufacturing. First tracked U.S. deployment pathway is the Long Mott / Dow Seadrift project in Texas.", "sources": [ "src-xenergy-sec-ex99-2026", "src-nrc-xenergy-dow", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://x-energy.com/", "aliases": [ "X-Energy, Inc.", "X-energy", "XE" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "publicly_listed", "exchange": "Nasdaq", "ticker": "XE", "listing_source": "src-xenergy-sec-ex99-2026", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "X-Energy, Inc. began Nasdaq Global Select trading under XE on 2026-04-24; Up-C structure with X-Energy Reactor Company, LLC operating subsidiary.", "ownership_verified_date": "2026-10-01", "milestones": [ { "date": "2026-04-24", "text": "Began trading on Nasdaq as XE; IPO closed 2026-04-27.", "source": "src-xenergy-sec-ex99-2026" }, { "date": "2026-05", "text": "NRC EA/FONSI reported for Long Mott (secondary press; prefer ADAMS primary).", "source": "src-nrc-xenergy-dow" } ], "unresolved": [ "Prefer NRC ADAMS primary citation for Long Mott EA/FONSI ML number." ], "parent_relationships": [], "slug": "x-energy" }, { "stable_id": "org-dow", "name": "Dow", "org_type": "operator", "country": "US", "summary": "Industrial host/customer for the proposed Long Mott / Seadrift Xe-100 deployment with X-energy \u2014 not a reactor vendor.", "sources": [ "src-nrc-xenergy-dow" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.dow.com/", "aliases": [], "roles": [ "customer", "industrial_host" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Dow Inc. is a publicly traded industrial company, but SMRMap does not assign Dow equity ticker here. Dow is not the reactor developer.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "dow" }, { "stable_id": "org-oklo", "name": "Oklo Inc.", "org_type": "vendor", "country": "US", "summary": "Publicly listed advanced fission company developing Aurora fast fission powerhouses and related fuel recycling. First Aurora unit advancing under the DOE Reactor Pilot Program at Idaho National Laboratory.", "sources": [ "src-oklo-overview", "src-oklo-nyse-2024", "src-oklo-pdsa-2026" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://oklo.com/", "aliases": [ "Oklo", "OKLO" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "publicly_listed", "exchange": "NYSE", "ticker": "OKLO", "listing_source": "src-oklo-nyse-2024", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Listed via May 2024 business combination with AltC Acquisition Corp.; trades as OKLO.", "ownership_verified_date": "2026-10-01", "milestones": [ { "date": "2024-05", "text": "Began trading on NYSE as OKLO.", "source": "src-oklo-nyse-2024" }, { "date": "2026-06", "text": "DOE approved Aurora-INL Preliminary Documented Safety Analysis.", "source": "src-oklo-pdsa-2026" } ], "unresolved": [], "parent_relationships": [], "slug": "oklo-inc" }, { "stable_id": "org-nuscale", "name": "NuScale Power", "org_type": "vendor", "country": "US", "summary": "Publicly listed U.S. vendor of VOYGR integral PWR SMR plants. U.S. design certification/SDA history; Romania multi-module deployment advancing; former UAMPS Carbon Free Power Project cancelled in 2023.", "sources": [ "src-nuscale-investors", "src-wna-smr", "src-energynote-2026" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.nuscalepower.com/", "aliases": [ "NuScale Power Corporation", "SMR" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "publicly_listed", "exchange": "NYSE", "ticker": "SMR", "listing_source": "src-nuscale-investors", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Publicly traded NuScale Power Corporation; ticker SMR is the listed company, not a subsidiary alias.", "ownership_verified_date": "2026-10-01", "milestones": [ { "date": "2023-11", "text": "UAMPS Carbon Free Power Project cancelled (tracked separately).", "source": "src-wna-smr" } ], "unresolved": [], "parent_relationships": [], "slug": "nuscale-power" }, { "stable_id": "org-rolls-royce-smr", "name": "Rolls-Royce SMR", "org_type": "vendor", "country": "GB", "summary": "UK PWR SMR developer (not independently listed). Generic Design Assessment in progress; Wylfa selected for early units. Shareholder base updated after Constellation exit in December 2025.", "sources": [ "src-rr-smr-shareholder-update", "src-energynote-2026", "src-wna-smr" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.rolls-royce-smr.com/", "aliases": [ "RR SMR", "Rolls-Royce Small Modular Reactors" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": "src-rr-smr-shareholder-update", "listing_verified_date": "2026-10-01", "ownership_control": "mixed", "ownership_notes": "Rolls-Royce SMR Ltd is not independently listed. Parent Rolls-Royce plc is listed (LSE: RR. / OTC context) but that ticker is not assigned here. April 2026 shareholder update: Constellation exited December 2025; remaining shareholders reported as Rolls-Royce plc, \u010cEZ Group, BNF Resources, Qatar Investment Authority.", "ownership_verified_date": "2026-10-01", "parent_relationships": [ { "related_name": "Rolls-Royce plc", "relationship": "controlling_shareholder", "as_of": "2025-12", "notes": "Major industrial shareholder; exact % not restated here.", "source": "src-rr-smr-shareholder-update" }, { "related_name": "\u010cEZ Group", "relationship": "shareholder", "as_of": "2025-12", "notes": "Shareholder after Constellation exit.", "source": "src-rr-smr-shareholder-update" }, { "related_name": "BNF Resources", "relationship": "shareholder", "as_of": "2025-12", "notes": "Acquired part of Constellation stake with Rolls-Royce plc.", "source": "src-rr-smr-shareholder-update" }, { "related_name": "Qatar Investment Authority", "relationship": "shareholder", "as_of": "2025-12", "notes": "Remaining shareholder per company update.", "source": "src-rr-smr-shareholder-update" }, { "related_name": "Constellation", "relationship": "former_shareholder", "as_of": "2025-12", "notes": "Sold sub-5% stake in December 2025.", "source": "src-rr-smr-shareholder-update" } ], "milestones": [ { "date": "2025-12", "text": "Constellation exited; stake acquired by Rolls-Royce plc and BNF Resources.", "source": "src-rr-smr-shareholder-update" } ], "unresolved": [], "slug": "rolls-royce-smr" }, { "stable_id": "org-arc", "name": "ARC Clean Technology", "org_type": "vendor", "country": "CA", "summary": "Canadian developer of the ARC-100 sodium fast reactor proposed with NB Power at Point Lepreau.", "sources": [ "src-cnsc-nbpower" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.arc-cleantech.com/", "aliases": [ "ARC" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "private", "ownership_notes": "No public listing identified as of 2026-10-01.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "arc-clean-technology" }, { "stable_id": "org-nbpower", "name": "NB Power", "org_type": "utility", "country": "CA", "summary": "New Brunswick utility proposing ARC-100 at Point Lepreau.", "sources": [ "src-cnsc-nbpower" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.nbpower.com/", "aliases": [ "New Brunswick Power" ], "roles": [ "operator", "utility" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "Provincial Crown utility.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "nb-power" }, { "stable_id": "org-tva", "name": "Tennessee Valley Authority", "org_type": "utility", "country": "US", "summary": "U.S. federal utility pursuing Clinch River BWRX-300 and related advanced reactor options.", "sources": [ "src-cnn-smr-explained", "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.tva.com/", "aliases": [ "TVA" ], "roles": [ "operator", "utility" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "U.S. federal corporation; not a listed reactor developer.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "tennessee-valley-authority" }, { "stable_id": "org-cnnc", "name": "China National Nuclear Corporation", "org_type": "vendor", "country": "CN", "summary": "Chinese state nuclear vendor/operator group behind ACP100 (Linglong One) and related designs; also linked to HTR-PM vendor context.", "sources": [ "src-wna-smr", "src-pris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.cnnc.com.cn/", "aliases": [ "CNNC" ], "roles": [ "reactor_developer", "vendor", "operator" ], "listing_status": "unknown", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "Chinese state nuclear group. Some affiliated entities may be listed on Chinese exchanges; those tickers are NOT assigned to this organization record.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [ "Do not infer listed-subsidiary tickers as CNNC group listing." ], "parent_relationships": [], "slug": "china-national-nuclear-corporation" }, { "stable_id": "org-huaneng", "name": "China Huaneng Group", "org_type": "operator", "country": "CN", "summary": "Operator context for the HTR-PM demonstration at Shidaowan.", "sources": [ "src-cae-htrpm", "src-pris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "aliases": [ "China Huaneng" ], "roles": [ "operator" ], "listing_status": "unknown", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "State-owned operator context for HTR-PM; listed affiliates may exist but are not assigned here.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "china-huaneng-group" }, { "stable_id": "org-cnea", "name": "CNEA (Argentina)", "org_type": "government_agency", "country": "AR", "summary": "Argentine commission leading the CAREM-25 prototype SMR.", "sources": [ "src-wna-smr", "src-iaea-aris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "aliases": [ "Comisi\u00f3n Nacional de Energ\u00eda At\u00f3mica", "CNEA" ], "roles": [ "reactor_developer", "government" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "Argentine national atomic energy commission.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "cnea-argentina" }, { "stable_id": "org-rosatom", "name": "Rosatom", "org_type": "vendor", "country": "RU", "summary": "Russian state nuclear corporation behind KLT-40S floating plant, RITM series, and BREST-OD-300.", "sources": [ "src-rosatom-lomonosov", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.rosatom.ru/", "aliases": [ "ROSATOM", "State Atomic Energy Corporation Rosatom" ], "roles": [ "reactor_developer", "vendor", "operator" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "state_controlled", "ownership_notes": "Russian state nuclear corporation; not treated as a Western exchange listing. Some affiliates may have local listings \u2014 not assigned here.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "rosatom" }, { "stable_id": "org-holtec", "name": "Holtec International", "org_type": "vendor", "country": "US", "summary": "Privately held developer of SMR-300 (SMR-160 lineage) with a proposed deployment near Palisades, Michigan.", "sources": [ "src-energynote-2026", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://holtecinternational.com/", "aliases": [ "Holtec" ], "roles": [ "reactor_developer", "vendor" ], "listing_status": "privately_held", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "private", "ownership_notes": "Privately held; no independent public listing identified as of 2026-10-01.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [ "Palisades-area host/operator arrangements remain lightly sourced in this release." ], "parent_relationships": [], "slug": "holtec-international" }, { "stable_id": "org-uamps", "name": "Utah Associated Municipal Power Systems", "org_type": "utility", "country": "US", "summary": "Former offtaker for the cancelled Carbon Free Power Project (NuScale VOYGR).", "sources": [ "src-wna-smr" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "aliases": [ "UAMPS" ], "roles": [ "customer", "utility" ], "listing_status": "not_applicable", "exchange": null, "ticker": null, "listing_source": null, "listing_verified_date": "2026-10-01", "ownership_control": "unknown", "ownership_notes": "Municipal power systems association; former offtaker for cancelled CFPP.", "ownership_verified_date": "2026-10-01", "milestones": [], "unresolved": [], "parent_relationships": [], "slug": "utah-associated-municipal-power-systems" }, { "stable_id": "org-nano-nuclear", "name": "NANO Nuclear Energy", "aliases": [ "NANO Nuclear Energy Inc.", "NNE" ], "org_type": "vendor", "roles": [ "reactor_developer", "vendor" ], "country": "US", "summary": "U.S. publicly listed advanced nuclear company developing portable microreactor concepts (including ZEUS/ODIN lineages in company materials) plus related fuel and consulting lines. No deployment projects are tracked in this SMRMap release yet \u2014 absence here does not mean no projects exist elsewhere.", "listing_status": "publicly_listed", "exchange": "Nasdaq", "ticker": "NNE", "listing_source": "src-nano-ipo-sec", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Nasdaq Capital Market listing under NNE since May 2024 IPO; still listed as of August 2026 company update.", "ownership_verified_date": "2026-10-01", "parent_relationships": [], "milestones": [ { "date": "2024-05-08", "text": "Began trading on Nasdaq Capital Market as NNE; IPO closed 2024-05-10.", "source": "src-nano-ipo-sec" } ], "unresolved": [ "Specific licensed deployment sites are not yet included in this dataset." ], "sources": [ "src-nano-ipo-sec", "src-nano-ir-2026" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://nanonuclearenergy.com/", "slug": "nano-nuclear-energy" }, { "stable_id": "org-terrestrial", "name": "Terrestrial Energy", "aliases": [ "Terrestrial Energy Inc.", "IMSR" ], "org_type": "vendor", "roles": [ "reactor_developer", "vendor" ], "country": "US", "summary": "Developer of Integral Molten Salt Reactor (IMSR) small modular plants. Publicly listed on Nasdaq as IMSR after October 2025 business combination with HCM II. No deployment projects are tracked in this SMRMap release yet.", "listing_status": "publicly_listed", "exchange": "Nasdaq", "ticker": "IMSR", "listing_source": "src-terrestrial-nasdaq-imsr", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Began Nasdaq trading as IMSR on 2025-10-29 following HCM II combination completed 2025-10-28.", "ownership_verified_date": "2026-10-01", "parent_relationships": [], "milestones": [ { "date": "2025-10-29", "text": "Began trading on Nasdaq as IMSR (warrants IMSRW).", "source": "src-terrestrial-sec-8k" } ], "unresolved": [ "No site-specific deployment project yet curated into this release." ], "sources": [ "src-terrestrial-nasdaq-imsr", "src-terrestrial-sec-8k", "src-iaea-aris" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.terrestrialenergy.com/", "slug": "terrestrial-energy" }, { "stable_id": "org-bwxt", "name": "BWX Technologies", "aliases": [ "BWXT", "BWX Technologies, Inc." ], "org_type": "vendor", "roles": [ "reactor_developer", "vendor", "manufacturer" ], "country": "US", "summary": "NYSE-listed nuclear manufacturer and advanced reactor developer. Direct reactor-development role via the BWXT Advanced Nuclear Reactor (BANR) HTGR microreactor (DOE ARDP) and related advanced reactor work, in addition to component manufacturing for the broader industry. No civilian deployment project is plotted in this SMRMap release yet; military Janus pathway is noted as context only.", "listing_status": "publicly_listed", "exchange": "NYSE", "ticker": "BWXT", "listing_source": "src-bwxt-commercial-nuclear-2025", "listing_verified_date": "2026-10-01", "ownership_control": "public_shareholders", "ownership_notes": "Public company BWX Technologies, Inc. (NYSE: BWXT).", "ownership_verified_date": "2026-10-01", "parent_relationships": [], "milestones": [ { "date": "2026-08-26", "text": "U.S. Army/DIU Janus program selected BANR (20 MWe variant); groundbreaking target late 2028 \u2014 not mapped as a civilian SMRMap pin.", "source": "src-bwxt-janus-2026" } ], "unresolved": [ "Janus/Fort Campbell pathway is defense-context and not yet a curated civilian map project." ], "sources": [ "src-bwxt-commercial-nuclear-2025", "src-bwxt-banr", "src-bwxt-janus-2026" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "website": "https://www.bwxt.com/", "slug": "bwx-technologies" } ], "sites": [ { "stable_id": "site-darlington", "name": "Darlington New Nuclear Project site", "country": "CA", "admin1": "Ontario", "locality": "Municipality of Clarington", "lat": 43.8725, "lon": -78.7197, "location_precision": "exact", "location_note": "Existing Darlington nuclear campus; coordinates approximate to plant area, not HQ.", "sources": [ "src-cnsc-darlington" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Licensed site for BWRX-300 construction adjacent to operating Darlington station." }, { "stable_id": "site-kemmerer", "name": "Kemmerer Natrium site", "country": "US", "admin1": "Wyoming", "locality": "Kemmerer", "lat": 41.7922, "lon": -110.5377, "location_precision": "approximate", "location_note": "Near retiring coal plant; pin is city/site-area approximate pending survey-grade public coordinates.", "sources": [ "src-nrc-terrapower" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Natrium demonstration plant site in Wyoming." }, { "stable_id": "site-oak-ridge-hermes", "name": "Kairos Hermes site (East Tennessee Technology Park / Oak Ridge area)", "country": "US", "admin1": "Tennessee", "locality": "Oak Ridge", "lat": 35.9333, "lon": -84.3867, "location_precision": "approximate", "location_note": "Oak Ridge area industrial site; not vendor HQ.", "sources": [ "src-nrc-kairos-hermes" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Hermes 1 and Hermes 2 demonstration site." }, { "stable_id": "site-seadrift", "name": "Dow UCC Seadrift / Long Mott", "country": "US", "admin1": "Texas", "locality": "Seadrift", "lat": 28.415, "lon": -96.711, "location_precision": "approximate", "location_note": "Industrial chemical site; approximate plant coordinates.", "sources": [ "src-nrc-xenergy-dow" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Proposed multi-module Xe-100 industrial self-supply site." }, { "stable_id": "site-inl-aurora", "name": "Idaho National Laboratory \u2014 Aurora site", "country": "US", "admin1": "Idaho", "locality": "INL", "lat": 43.533, "lon": -112.947, "location_precision": "approximate", "location_note": "DOE INL property; approximate lab-complex pin, not a street address.", "sources": [ "src-oklo-pdsa-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Aurora-INL powerhouse under DOE Reactor Pilot Program." }, { "stable_id": "site-clinch-river", "name": "Clinch River Nuclear Site", "country": "US", "admin1": "Tennessee", "locality": "Oak Ridge vicinity", "lat": 35.8906, "lon": -84.3828, "location_precision": "approximate", "location_note": "TVA Clinch River site; approximate.", "sources": [ "src-cnn-smr-explained" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "TVA site for proposed BWRX-300." }, { "stable_id": "site-point-lepreau", "name": "Point Lepreau Nuclear Generating Station site", "country": "CA", "admin1": "New Brunswick", "locality": "Point Lepreau", "lat": 45.0686, "lon": -66.455, "location_precision": "exact", "location_note": "Existing CANDU station site.", "sources": [ "src-cnsc-nbpower" ], "confidence": "high", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Proposed ARC-100 co-location at Point Lepreau." }, { "stable_id": "site-shidaowan", "name": "Shidaowan / Shidao Bay", "country": "CN", "admin1": "Shandong", "locality": "Rongcheng", "lat": 36.969, "lon": 122.52, "location_precision": "approximate", "location_note": "Coastal nuclear site; approximate from public trackers.", "sources": [ "src-gem-gnpt", "src-cae-htrpm" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "HTR-PM demonstration plant site." }, { "stable_id": "site-changjiang", "name": "Changjiang Nuclear Power Plant site", "country": "CN", "admin1": "Hainan", "locality": "Changjiang", "lat": 19.46, "lon": 108.885, "location_precision": "approximate", "location_note": "Existing nuclear site hosting Linglong One; approximate.", "sources": [ "src-gem-gnpt", "src-pris" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "ACP100 Linglong One site." }, { "stable_id": "site-carem-lima", "name": "CAREM site (Lima, Z\u00e1rate)", "country": "AR", "admin1": "Buenos Aires", "locality": "Lima", "lat": -34.0, "lon": -59.2, "location_precision": "approximate", "location_note": "Near Atucha complex; approximate.", "sources": [ "src-wna-smr", "src-gem-gnpt" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "CAREM-25 prototype construction site." }, { "stable_id": "site-pevek", "name": "Pevek floating NPP berth", "country": "RU", "admin1": "Chukotka", "locality": "Pevek", "lat": 69.7, "lon": 170.3, "location_precision": "approximate", "location_note": "Coastal berth for Akademik Lomonosov; approximate.", "sources": [ "src-rosatom-lomonosov", "src-gem-gnpt" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Floating nuclear heat and power plant location." }, { "stable_id": "site-seversk", "name": "Seversk BREST-OD-300 site", "country": "RU", "admin1": "Tomsk Oblast", "locality": "Seversk", "lat": 56.6, "lon": 84.85, "location_precision": "approximate", "location_note": "Closed-city industrial area; approximate public pin.", "sources": [ "src-gem-gnpt", "src-wna-smr" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified", "summary": "BREST-OD-300 demonstration construction site." }, { "stable_id": "site-jizzakh", "name": "Jizzakh RITM-200N site", "country": "UZ", "admin1": "Jizzakh Region", "locality": "Jizzakh area", "lat": 40.12, "lon": 67.84, "location_precision": "approximate", "location_note": "Reported first land-based RITM-200N export site; coordinates approximate and low confidence.", "sources": [ "src-cnn-smr-explained" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Reported Uzbekistan land-based RITM-200N construction." }, { "stable_id": "site-wylfa", "name": "Wylfa Newydd site", "country": "GB", "admin1": "Wales", "locality": "Anglesey", "lat": 53.417, "lon": -4.483, "location_precision": "approximate", "location_note": "Existing nuclear site area selected for Rolls-Royce SMR; no nuclear concrete claimed here.", "sources": [ "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Selected UK site for early Rolls-Royce SMR units." }, { "stable_id": "site-doicesti", "name": "Doice\u0219ti NuScale site", "country": "RO", "admin1": "D\u00e2mbovi\u021ba", "locality": "Doice\u0219ti", "lat": 44.97, "lon": 25.4, "location_precision": "approximate", "location_note": "Former coal plant area; approximate.", "sources": [ "src-energynote-2026", "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Proposed NuScale VOYGR plant in Romania." }, { "stable_id": "site-palisades", "name": "Palisades Nuclear Plant area", "country": "US", "admin1": "Michigan", "locality": "Covert Township", "lat": 42.323, "lon": -86.314, "location_precision": "approximate", "location_note": "Existing plant campus area for proposed Holtec SMR-300; not a confirmed as-built pin.", "sources": [ "src-energynote-2026" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Proposed Holtec SMR-300 deployment area." }, { "stable_id": "site-idaho-cfpp", "name": "INL / CFPP proposed NuScale site", "country": "US", "admin1": "Idaho", "locality": "INL", "lat": 43.51, "lon": -113.0, "location_precision": "approximate", "location_note": "Cancelled UAMPS CFPP location context at INL; approximate.", "sources": [ "src-wna-smr" ], "confidence": "medium", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Site context for cancelled Carbon Free Power Project." }, { "stable_id": "site-undisclosed-rr-other", "name": "Undisclosed / multi-site Rolls-Royce pipeline", "country": "GB", "admin1": null, "locality": null, "lat": null, "lon": null, "location_precision": "undisclosed", "location_note": "Additional buyer discussions (e.g. reported Czech/Swedish interest) are not plotted as deployment pins.", "sources": [ "src-energynote-2026" ], "confidence": "low", "last_checked": "2026-10-01", "review_state": "verified", "summary": "Searchable undisclosed/multi-site interest without invented map pins." } ], "sources": [ { "stable_id": "src-cnsc-darlington", "name": "CNSC Darlington New Nuclear Project", "url": "https://www.cnsc-ccsn.gc.ca/eng/reactors/new-reactor-power-plant-projects/new-reactor-power-plant-facilities/darlington-new-nuclear-project/", "source_class": "regulator_primary", "publisher": "Canadian Nuclear Safety Commission", "accessed": "2026-10-01", "notes": "Licence to construct April 2025; licence to operate application March 2026." }, { "stable_id": "src-cnsc-nbpower", "name": "CNSC NB Power ARC-100 Project", "url": "https://www.cnsc-ccsn.gc.ca/eng/reactors/new-reactor-power-plant-projects/new-reactor-power-plant-facilities/nbpower/", "source_class": "regulator_primary", "publisher": "CNSC", "accessed": "2026-10-01", "notes": "Licence to prepare site application June 2023 under review." }, { "stable_id": "src-nrc-kairos-hermes", "name": "NRC Kairos Hermes construction permit materials", "url": "https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/applicant-projects/kairos-power.html", "source_class": "regulator_primary", "publisher": "U.S. NRC", "accessed": "2026-10-01", "notes": "Hermes CP Dec 2023; Hermes 2 CP Nov 2024." }, { "stable_id": "src-nrc-terrapower", "name": "NRC TerraPower Natrium / Kemmerer", "url": "https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/applicant-projects/terrapower.html", "source_class": "regulator_primary", "publisher": "U.S. NRC", "accessed": "2026-10-01", "notes": "Construction permit reported March 2026 in secondary summaries; verify against NRC ADAMS for exact ML number before raising confidence." }, { "stable_id": "src-nrc-xenergy-dow", "name": "NRC / ANS Dow Long Mott Xe-100 EA-FONSI", "url": "https://www.ans.org/news/2026-05-20/article-8056/dow-gets-eafonsi-for-seadrift-project/", "source_class": "reputable_press", "publisher": "American Nuclear Society Nuclear Newswire", "accessed": "2026-10-01", "notes": "Reports NRC EA/FONSI May 2026 and CP docketed May 2025. Prefer NRC ADAMS primary for verification." }, { "stable_id": "src-oklo-pdsa-2026", "name": "Oklo Aurora-INL PDSA approval announcement", "url": "https://oklo.com/newsroom/news-details/2026/U-S--Department-of-Energy-Approves-Preliminary-Documented-Safety-Analysis-for-Aurora-Powerhouse-at-Idaho-National-Laboratory/default.aspx", "source_class": "company_primary", "publisher": "Oklo Inc.", "accessed": "2026-10-01", "notes": "DOE RPP pathway, not NRC operating licence." }, { "stable_id": "src-iaea-aris", "name": "IAEA Advanced Reactors Information System (ARIS)", "url": "https://aris.iaea.org/", "source_class": "iaea_or_nea", "publisher": "IAEA", "accessed": "2026-10-01", "notes": "Design descriptions; not a permitting tracker." }, { "stable_id": "src-wna-smr", "name": "World Nuclear Association \u2014 Small Nuclear Power Reactors", "url": "https://world-nuclear.org/information-library/nuclear-fuel-cycle/nuclear-power-reactors/small-nuclear-power-reactors", "source_class": "directory_or_aggregator", "publisher": "World Nuclear Association", "accessed": "2026-10-01", "notes": "Orientation only; verify deployments against primary sources." }, { "stable_id": "src-gem-gnpt", "name": "Global Energy Monitor Global Nuclear Power Tracker", "url": "https://globalenergymonitor.org/projects/global-nuclear-power-tracker/", "source_class": "directory_or_aggregator", "publisher": "Global Energy Monitor", "accessed": "2026-10-01", "notes": "CC BY 4.0 fleet tracker. Useful for coordinates and status orientation; not SMR-permitting authority." }, { "stable_id": "src-nuclearchain", "name": "NuclearChain data exports", "url": "https://www.nuclearchain.net/data/", "source_class": "directory_or_aggregator", "publisher": "NuclearChain", "accessed": "2026-10-01", "notes": "CC BY 4.0. Fleet and smr-designs exports are starting material only; independently verify each published project. Operating-reactor feed is not SMR permitting progress." }, { "stable_id": "src-energynote-2026", "name": "EnergyNote 2026 SMR licensing map", "url": "https://energynote.kr/en/posts/smr-global-status-2026/", "source_class": "reputable_press", "publisher": "EnergyNote", "accessed": "2026-10-01", "notes": "Secondary synthesis as of 2026; use to prioritize primary checks." }, { "stable_id": "src-cnn-smr-explained", "name": "Nuclear News Network \u2014 SMRs explained", "url": "https://www.nuclearnewsnetwork.com/news/smrs-explained", "source_class": "reputable_press", "publisher": "Nuclear News Network", "accessed": "2026-10-01", "notes": "Secondary overview." }, { "stable_id": "src-pris", "name": "IAEA Power Reactor Information System (PRIS)", "url": "https://pris.iaea.org/", "source_class": "iaea_or_nea", "publisher": "IAEA", "accessed": "2026-10-01", "notes": "Operating/grid milestones for connected units." }, { "stable_id": "src-cae-htrpm", "name": "China HTR-PM commercial operation reporting", "url": "https://world-nuclear.org/information-library/country-profiles/countries-a-f/china-nuclear-power", "source_class": "directory_or_aggregator", "publisher": "WNA / Chinese operator reports via aggregators", "accessed": "2026-10-01", "notes": "HTR-PM commercial operation commonly dated Dec 2023; confirm against CNNC/Huaneng primary when available." }, { "stable_id": "src-rosatom-lomonosov", "name": "Akademik Lomonosov floating NPP", "url": "https://www.rosatom.ru/", "source_class": "company_primary", "publisher": "Rosatom", "accessed": "2026-10-01", "notes": "Floating twin KLT-40S; often cited as operating SMR plant since 2019/2020." }, { "stable_id": "src-nuscale-investors", "name": "NuScale Power Investor Relations", "url": "https://www.nuscalepower.com/investors", "source_class": "company_primary", "publisher": "NuScale Power", "accessed": "2026-10-01", "notes": "States NYSE: SMR on investor relations page." }, { "stable_id": "src-oklo-overview", "name": "Oklo company overview", "url": "https://oklo.com/about/company-overview", "source_class": "company_primary", "publisher": "Oklo Inc.", "accessed": "2026-10-01", "notes": "Company overview; listing confirmed via NYSE trading announcement and SEC filings." }, { "stable_id": "src-oklo-nyse-2024", "name": "Oklo Inc. Begins Trading on the NYSE", "url": "https://www.businesswire.com/news/home/20240510464172/en/Oklo-Inc.-Begins-Trading-on-the-New-York-Stock-Exchange", "source_class": "company_primary", "publisher": "Oklo / Business Wire", "accessed": "2026-10-01", "notes": "Trading under OKLO on NYSE from May 2024 after AltC business combination." }, { "stable_id": "src-xenergy-sec-ex99-2026", "name": "X-Energy Form 8-K exhibit \u2014 Nasdaq XE trading", "url": "https://www.sec.gov/Archives/edgar/data/2088896/000119312526256369/xe-ex99_1.htm", "source_class": "company_primary", "publisher": "X-Energy, Inc. / SEC EDGAR", "accessed": "2026-10-01", "notes": "Began trading Nasdaq Global Select under XE on 2026-04-24; IPO closed 2026-04-27." }, { "stable_id": "src-nano-ipo-sec", "name": "NANO Nuclear Energy IPO closing exhibit (NASDAQ: NNE)", "url": "https://www.sec.gov/Archives/edgar/data/1923891/000149315224018971/ex99-1.htm", "source_class": "company_primary", "publisher": "NANO Nuclear Energy / SEC EDGAR", "accessed": "2026-10-01", "notes": "Common stock began trading Nasdaq Capital Market under NNE on 2024-05-08; IPO closed 2024-05-10." }, { "stable_id": "src-nano-ir-2026", "name": "NANO Nuclear Q3 FY2026 business update", "url": "https://nanonuclearenergy.com/nano-nuclear-reports-q3-fy-2026-financial-results-and-provides-business-update/", "source_class": "company_primary", "publisher": "NANO Nuclear Energy", "accessed": "2026-10-01", "notes": "Confirms continued NASDAQ: NNE listing as of 2026-08-12 update." }, { "stable_id": "src-terrestrial-nasdaq-imsr", "name": "Terrestrial Energy begins trading on Nasdaq (IMSR)", "url": "https://www.nasdaq.com/press-release/terrestrial-energy-inc-begins-trading-nasdaq-stock-market-2025-10-29", "source_class": "company_primary", "publisher": "Terrestrial Energy / Nasdaq GlobeNewswire", "accessed": "2026-10-01", "notes": "Trading under IMSR from 2025-10-29 after HCM II business combination (2025-10-28)." }, { "stable_id": "src-terrestrial-sec-8k", "name": "Terrestrial Energy Form 8-K \u2014 IMSR listing", "url": "https://www.sec.gov/Archives/edgar/data/2019804/000121390025105304/ea0263386-8k_terres.htm", "source_class": "company_primary", "publisher": "Terrestrial Energy / SEC EDGAR", "accessed": "2026-10-01", "notes": "New Terrestrial common shares and warrants began trading Nasdaq as IMSR / IMSRW on 2025-10-29." }, { "stable_id": "src-bwxt-commercial-nuclear-2025", "name": "BWXT Commercial Nuclear Operations brochure (2025)", "url": "https://www.bwxt.com/wp-content/uploads/2025/10/Commercial-Nuclear_tier1-2025.pdf", "source_class": "company_primary", "publisher": "BWX Technologies, Inc.", "accessed": "2026-10-01", "notes": "States NYSE: BWXT; describes BANR advanced reactor and SMR manufacturing role." }, { "stable_id": "src-bwxt-banr", "name": "BWXT Advanced Nuclear Reactor (BANR) product page", "url": "https://www.bwxt.com/sectors/nuclear-energy/smrs-microreactors/bwxt-advanced-nuclear-reactor-banr/", "source_class": "company_primary", "publisher": "BWX Technologies, Inc.", "accessed": "2026-10-01", "notes": "BANR described as modular factory-fabricated 75 MWt HTGR under DOE ARDP." }, { "stable_id": "src-bwxt-janus-2026", "name": "U.S. Army chooses BWXT BANR for Janus program", "url": "https://www.bwxt.com/u-s-army-chooses-bwxt-advanced-nuclear-reactor-banr-for-janus-program/", "source_class": "company_primary", "publisher": "BWX Technologies, Inc.", "accessed": "2026-10-01", "notes": "2026-08-26: Army/DIU Janus selection; 20 MWe BANR variant; groundbreaking target late 2028. Not a tracked civilian deployment pin in this release." }, { "stable_id": "src-terrapower-fundraise-2025", "name": "TerraPower announces $650 million fundraise", "url": "https://www.terrapower.com/terrapower-announces-650-million-fundraise", "source_class": "company_primary", "publisher": "TerraPower", "accessed": "2026-10-01", "notes": "2025-06-18: 'TerraPower will continue to be a privately held company.' Rechecked 2026-10-01; no intervening IPO found in this review." }, { "stable_id": "src-rr-smr-shareholder-update", "name": "Rolls-Royce SMR shareholder update", "url": "https://www.rolls-royce-smr.com/press/shareholder-update", "source_class": "company_primary", "publisher": "Rolls-Royce SMR", "accessed": "2026-10-01", "notes": "Constellation sold its sub-5% stake in December 2025; remaining shareholders reported as Rolls-Royce plc, \u010cEZ Group, BNF Resources, Qatar Investment Authority." } ] }