[ { "id": "prj-htr-pm-shidaowan", "slug": "htr-pm-shidaowan", "name": "HTR-PM Shidaowan demonstration", "country": "CN", "country_name": "China", "stage": "operating", "stage_label": "Operating", "technology": "HTGR", "technology_label": "High-temperature gas-cooled reactor (HTGR)", "design_name": "HTR-PM", "design_id": "dsn-htr-pm", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 210, "electrical_basis": "gross", "thermal_mwth": 500, "capacity_scope": "plant", "capacity_display": "210 MWe (gross) \u00b7 plant", "module_count_planned": 2, "operators": [ "China Huaneng Group" ], "vendors": [ "China National Nuclear Corporation" ], "company_ids": [ "org-cnnc", "org-huaneng" ], "company_slugs": [ "china-national-nuclear-corporation", "china-huaneng-group" ], "companies": [ { "id": "org-cnnc", "name": "China National Nuclear Corporation", "ticker": null }, { "id": "org-huaneng", "name": "China Huaneng Group", "ticker": null } ], "tickers": [], "site_name": "Shidaowan / Shidao Bay", "location_precision": "approximate", "lat": 36.969, "lon": 122.52, "mappable": true, "confidence": "medium", "url": "/projects/htr-pm-shidaowan/", "summary": "Twin-module HTGR demonstration plant reported in commercial operation." }, { "id": "prj-lomonosov", "slug": "akademik-lomonosov", "name": "Akademik Lomonosov floating NPP", "country": "RU", "country_name": "Russia", "stage": "operating", "stage_label": "Operating", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "KLT-40S", "design_id": "dsn-klt40s", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 70, "electrical_basis": "gross", "thermal_mwth": 300, "capacity_scope": "plant", "capacity_display": "70 MWe (gross) \u00b7 plant", "module_count_planned": 2, "operators": [ "Rosatom" ], "vendors": [ "Rosatom" ], "company_ids": [ "org-rosatom" ], "company_slugs": [ "rosatom" ], "companies": [ { "id": "org-rosatom", "name": "Rosatom", "ticker": null } ], "tickers": [], "site_name": "Pevek floating NPP berth", "location_precision": "approximate", "lat": 69.7, "lon": 170.3, "mappable": true, "confidence": "medium", "url": "/projects/akademik-lomonosov/", "summary": "Floating twin KLT-40S heat-and-power plant at Pevek." }, { "id": "prj-linglong-one", "slug": "linglong-one-changjiang", "name": "Linglong One (ACP100) Changjiang", "country": "CN", "country_name": "China", "stage": "commissioning", "stage_label": "Commissioning", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "ACP100 (Linglong One)", "design_id": "dsn-acp100", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 125, "electrical_basis": "gross", "thermal_mwth": 385, "capacity_scope": "module", "capacity_display": "125 MWe (gross) \u00b7 module", "module_count_planned": 1, "operators": [ "China National Nuclear Corporation" ], "vendors": [ "China National Nuclear Corporation" ], "company_ids": [ "org-cnnc" ], "company_slugs": [ "china-national-nuclear-corporation" ], "companies": [ { "id": "org-cnnc", "name": "China National Nuclear Corporation", "ticker": null } ], "tickers": [], "site_name": "Changjiang Nuclear Power Plant site", "location_precision": "approximate", "lat": 19.46, "lon": 108.885, "mappable": true, "confidence": "medium", "url": "/projects/linglong-one-changjiang/", "summary": "Land-based ACP100 SMR in pre-commissioning/testing; commercial operation targeted in 2026 but not treated as achieved here without PRIS confirmation." }, { "id": "prj-carem25", "slug": "carem-25", "name": "CAREM-25", "country": "AR", "country_name": "Argentina", "stage": "suspended", "stage_label": "Suspended", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "CAREM-25", "design_id": "dsn-carem25", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 25, "electrical_basis": "net", "thermal_mwth": 100, "capacity_scope": "module", "capacity_display": "25 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "CNEA (Argentina)" ], "vendors": [ "CNEA (Argentina)" ], "company_ids": [ "org-cnea" ], "company_slugs": [ "cnea-argentina" ], "companies": [ { "id": "org-cnea", "name": "CNEA (Argentina)", "ticker": null } ], "tickers": [], "site_name": "CAREM site (Lima, Z\u00e1rate)", "location_precision": "approximate", "lat": -34.0, "lon": -59.2, "mappable": true, "confidence": "medium", "url": "/projects/carem-25/", "summary": "Argentine prototype iPWR; construction widely reported incomplete/halted (~85% in secondary sources). Treat stage as suspended pending fresh primary confirmation." }, { "id": "prj-darlington-bwrx", "slug": "darlington-bwrx-300", "name": "Darlington BWRX-300 Unit 1", "country": "CA", "country_name": "Canada", "stage": "construction", "stage_label": "Construction", "technology": "BWR", "technology_label": "Boiling water reactor (BWR)", "design_name": "BWRX-300", "design_id": "dsn-bwrx-300", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 300, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "300 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "Ontario Power Generation" ], "vendors": [ "GE Vernova Hitachi Nuclear Energy" ], "company_ids": [ "org-gevh", "org-opg" ], "company_slugs": [ "ge-vernova-hitachi-nuclear-energy", "ontario-power-generation" ], "companies": [ { "id": "org-gevh", "name": "GE Vernova Hitachi Nuclear Energy", "ticker": null }, { "id": "org-opg", "name": "Ontario Power Generation", "ticker": null } ], "tickers": [], "site_name": "Darlington New Nuclear Project site", "location_precision": "exact", "lat": 43.8725, "lon": -78.7197, "mappable": true, "confidence": "high", "url": "/projects/darlington-bwrx-300/", "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." }, { "id": "prj-natrium-kemmerer", "slug": "natrium-kemmerer", "name": "Natrium Kemmerer Unit 1", "country": "US", "country_name": "United States", "stage": "construction", "stage_label": "Construction", "technology": "SFR", "technology_label": "Sodium-cooled fast reactor (SFR)", "design_name": "Natrium", "design_id": "dsn-natrium", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 345, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "345 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "TerraPower" ], "vendors": [ "TerraPower" ], "company_ids": [ "org-terrapower" ], "company_slugs": [ "terrapower" ], "companies": [ { "id": "org-terrapower", "name": "TerraPower", "ticker": null } ], "tickers": [], "site_name": "Kemmerer Natrium site", "location_precision": "approximate", "lat": 41.7922, "lon": -110.5377, "mappable": true, "confidence": "medium", "url": "/projects/natrium-kemmerer/", "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." }, { "id": "prj-hermes-1", "slug": "kairos-hermes-1", "name": "Kairos Hermes 1", "country": "US", "country_name": "United States", "stage": "construction", "stage_label": "Construction", "technology": "FHR", "technology_label": "Fluoride-salt-cooled high-temperature reactor (FHR)", "design_name": "Hermes / KP-FHR", "design_id": "dsn-hermes", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": null, "electrical_basis": "thermal_only", "thermal_mwth": 35, "capacity_scope": "module", "capacity_display": "35 MWth (thermal only)", "module_count_planned": 1, "operators": [ "Kairos Power" ], "vendors": [ "Kairos Power" ], "company_ids": [ "org-kairos" ], "company_slugs": [ "kairos-power" ], "companies": [ { "id": "org-kairos", "name": "Kairos Power", "ticker": null } ], "tickers": [], "site_name": "Kairos Hermes site (East Tennessee Technology Park / Oak Ridge area)", "location_precision": "approximate", "lat": 35.9333, "lon": -84.3867, "mappable": true, "confidence": "high", "url": "/projects/kairos-hermes-1/", "summary": "Non-power fluoride-salt-cooled test reactor under NRC construction permit. Not an electrical generator." }, { "id": "prj-hermes-2", "slug": "kairos-hermes-2", "name": "Kairos Hermes 2", "country": "US", "country_name": "United States", "stage": "construction", "stage_label": "Construction", "technology": "FHR", "technology_label": "Fluoride-salt-cooled high-temperature reactor (FHR)", "design_name": "Hermes / KP-FHR", "design_id": "dsn-hermes", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 50, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "50 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "Kairos Power" ], "vendors": [ "Kairos Power" ], "company_ids": [ "org-kairos" ], "company_slugs": [ "kairos-power" ], "companies": [ { "id": "org-kairos", "name": "Kairos Power", "ticker": null } ], "tickers": [], "site_name": "Kairos Hermes site (East Tennessee Technology Park / Oak Ridge area)", "location_precision": "approximate", "lat": 35.9333, "lon": -84.3867, "mappable": true, "confidence": "medium", "url": "/projects/kairos-hermes-2/", "summary": "Power-producing Hermes 2 demonstration; groundbreaking reported April 2026 in secondary sources." }, { "id": "prj-long-mott", "slug": "long-mott-xe-100", "name": "Long Mott Generating Facility (Xe-100 at Dow Seadrift)", "country": "US", "country_name": "United States", "stage": "licensing", "stage_label": "Licensing", "technology": "HTGR", "technology_label": "High-temperature gas-cooled reactor (HTGR)", "design_name": "Xe-100", "design_id": "dsn-xe-100", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 320, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "plant", "capacity_display": "320 MWe (net) \u00b7 plant", "module_count_planned": 4, "operators": [ "Dow" ], "vendors": [ "X-energy" ], "company_ids": [ "org-xenergy", "org-dow" ], "company_slugs": [ "x-energy", "dow" ], "companies": [ { "id": "org-xenergy", "name": "X-energy", "ticker": "XE" }, { "id": "org-dow", "name": "Dow", "ticker": null } ], "tickers": [ "XE" ], "site_name": "Dow UCC Seadrift / Long Mott", "location_precision": "approximate", "lat": 28.415, "lon": -96.711, "mappable": true, "confidence": "medium", "url": "/projects/long-mott-xe-100/", "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." }, { "id": "prj-clinch-river-bwrx", "slug": "clinch-river-bwrx-300", "name": "TVA Clinch River BWRX-300", "country": "US", "country_name": "United States", "stage": "licensing", "stage_label": "Licensing", "technology": "BWR", "technology_label": "Boiling water reactor (BWR)", "design_name": "BWRX-300", "design_id": "dsn-bwrx-300", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 300, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "300 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "Tennessee Valley Authority" ], "vendors": [ "GE Vernova Hitachi Nuclear Energy" ], "company_ids": [ "org-gevh", "org-tva" ], "company_slugs": [ "ge-vernova-hitachi-nuclear-energy", "tennessee-valley-authority" ], "companies": [ { "id": "org-gevh", "name": "GE Vernova Hitachi Nuclear Energy", "ticker": null }, { "id": "org-tva", "name": "Tennessee Valley Authority", "ticker": null } ], "tickers": [], "site_name": "Clinch River Nuclear Site", "location_precision": "approximate", "lat": 35.8906, "lon": -84.3828, "mappable": true, "confidence": "medium", "url": "/projects/clinch-river-bwrx-300/", "summary": "TVA Clinch River BWRX-300 construction permit proceeding before the NRC (status evolving through 2026 hearings)." }, { "id": "prj-aurora-inl", "slug": "oklo-aurora-inl", "name": "Oklo Aurora-INL", "country": "US", "country_name": "United States", "stage": "construction", "stage_label": "Construction", "technology": "SFR", "technology_label": "Sodium-cooled fast reactor (SFR)", "design_name": "Aurora", "design_id": "dsn-aurora", "design_class": "microreactor", "design_class_label": "Microreactor", "electrical_mwe": 75, "electrical_basis": "nameplate_unspecified", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "75 MWe (nameplate) \u00b7 module", "module_count_planned": 1, "operators": [ "Oklo Inc." ], "vendors": [ "Oklo Inc." ], "company_ids": [ "org-oklo" ], "company_slugs": [ "oklo-inc" ], "companies": [ { "id": "org-oklo", "name": "Oklo Inc.", "ticker": "OKLO" } ], "tickers": [ "OKLO" ], "site_name": "Idaho National Laboratory \u2014 Aurora site", "location_precision": "approximate", "lat": 43.533, "lon": -112.947, "mappable": true, "confidence": "medium", "url": "/projects/oklo-aurora-inl/", "summary": "Compact Aurora powerhouse under DOE Reactor Pilot Program at INL (not an NRC operating licence). Microreactor label applied." }, { "id": "prj-arc100-lepreau", "slug": "arc-100-point-lepreau", "name": "NB Power ARC-100 at Point Lepreau", "country": "CA", "country_name": "Canada", "stage": "siting", "stage_label": "Siting", "technology": "SFR", "technology_label": "Sodium-cooled fast reactor (SFR)", "design_name": "ARC-100", "design_id": "dsn-arc-100", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 100, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "100 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "NB Power" ], "vendors": [ "ARC Clean Technology" ], "company_ids": [ "org-arc", "org-nbpower" ], "company_slugs": [ "arc-clean-technology", "nb-power" ], "companies": [ { "id": "org-arc", "name": "ARC Clean Technology", "ticker": null }, { "id": "org-nbpower", "name": "NB Power", "ticker": null } ], "tickers": [], "site_name": "Point Lepreau Nuclear Generating Station site", "location_precision": "exact", "lat": 45.0686, "lon": -66.455, "mappable": true, "confidence": "high", "url": "/projects/arc-100-point-lepreau/", "summary": "Licence to prepare site application under CNSC review since June 2023; installed capacity listed TBD by CNSC page." }, { "id": "prj-brest-od-300", "slug": "brest-od-300", "name": "BREST-OD-300 Seversk", "country": "RU", "country_name": "Russia", "stage": "construction", "stage_label": "Construction", "technology": "LFR", "technology_label": "Lead-cooled fast reactor (LFR)", "design_name": "BREST-OD-300", "design_id": "dsn-brest-od-300", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 300, "electrical_basis": "gross", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "300 MWe (gross) \u00b7 module", "module_count_planned": 1, "operators": [ "Rosatom" ], "vendors": [ "Rosatom" ], "company_ids": [ "org-rosatom" ], "company_slugs": [ "rosatom" ], "companies": [ { "id": "org-rosatom", "name": "Rosatom", "ticker": null } ], "tickers": [], "site_name": "Seversk BREST-OD-300 site", "location_precision": "approximate", "lat": 56.6, "lon": 84.85, "mappable": true, "confidence": "medium", "url": "/projects/brest-od-300/", "summary": "Lead-cooled fast demonstration reactor under construction at Seversk." }, { "id": "prj-ritm-jizzakh", "slug": "ritm-200n-jizzakh", "name": "RITM-200N Jizzakh", "country": "UZ", "country_name": "Uzbekistan", "stage": "construction", "stage_label": "Construction", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "RITM-200N", "design_id": "dsn-ritm-200n", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 55, "electrical_basis": "gross", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "55 MWe (gross) \u00b7 module", "module_count_planned": 1, "operators": [ "Rosatom" ], "vendors": [ "Rosatom" ], "company_ids": [ "org-rosatom" ], "company_slugs": [ "rosatom" ], "companies": [ { "id": "org-rosatom", "name": "Rosatom", "ticker": null } ], "tickers": [], "site_name": "Jizzakh RITM-200N site", "location_precision": "approximate", "lat": 40.12, "lon": 67.84, "mappable": true, "confidence": "low", "url": "/projects/ritm-200n-jizzakh/", "summary": "Reported first land-based RITM-200N export construction in Uzbekistan. Low coordinate confidence; verify against Uzatom/Rosatom primaries." }, { "id": "prj-rr-wylfa", "slug": "rolls-royce-smr-wylfa", "name": "Rolls-Royce SMR Wylfa", "country": "GB", "country_name": "United Kingdom", "stage": "announced", "stage_label": "Announced", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "Rolls-Royce SMR", "design_id": "dsn-rr-smr", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 1410, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "plant", "capacity_display": "1410 MWe (net) \u00b7 plant", "module_count_planned": 3, "operators": [], "vendors": [ "Rolls-Royce SMR" ], "company_ids": [ "org-rolls-royce-smr" ], "company_slugs": [ "rolls-royce-smr" ], "companies": [ { "id": "org-rolls-royce-smr", "name": "Rolls-Royce SMR", "ticker": null } ], "tickers": [], "site_name": "Wylfa Newydd site", "location_precision": "approximate", "lat": 53.417, "lon": -4.483, "mappable": true, "confidence": "medium", "url": "/projects/rolls-royce-smr-wylfa/", "summary": "Three-unit Wylfa selection/contract reported 2026; GDA in progress. No nuclear concrete claimed. Electrical total is 3\u00d7~470 MWe." }, { "id": "prj-nuscale-romania", "slug": "nuscale-doicesti", "name": "NuScale VOYGR Doice\u0219ti (Romania)", "country": "RO", "country_name": "Romania", "stage": "announced", "stage_label": "Announced", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "NuScale VOYGR (US460 / NPM)", "design_id": "dsn-voygr", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 462, "electrical_basis": "gross", "thermal_mwth": null, "capacity_scope": "plant", "capacity_display": "462 MWe (gross) \u00b7 plant", "module_count_planned": 6, "operators": [], "vendors": [ "NuScale Power" ], "company_ids": [ "org-nuscale" ], "company_slugs": [ "nuscale-power" ], "companies": [ { "id": "org-nuscale", "name": "NuScale Power", "ticker": "SMR" } ], "tickers": [ "SMR" ], "site_name": "Doice\u0219ti NuScale site", "location_precision": "approximate", "lat": 44.97, "lon": 25.4, "mappable": true, "confidence": "medium", "url": "/projects/nuscale-doicesti/", "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." }, { "id": "prj-holtec-palisades", "slug": "holtec-smr-300-palisades", "name": "Holtec SMR-300 Palisades area", "country": "US", "country_name": "United States", "stage": "announced", "stage_label": "Announced", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "Holtec SMR-300", "design_id": "dsn-smr-300", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 300, "electrical_basis": "net", "thermal_mwth": null, "capacity_scope": "module", "capacity_display": "300 MWe (net) \u00b7 module", "module_count_planned": 1, "operators": [ "Holtec International" ], "vendors": [ "Holtec International" ], "company_ids": [ "org-holtec" ], "company_slugs": [ "holtec-international" ], "companies": [ { "id": "org-holtec", "name": "Holtec International", "ticker": null } ], "tickers": [], "site_name": "Palisades Nuclear Plant area", "location_precision": "approximate", "lat": 42.323, "lon": -86.314, "mappable": true, "confidence": "medium", "url": "/projects/holtec-smr-300-palisades/", "summary": "Proposed SMR-300 near Palisades; early planned stage." }, { "id": "prj-uamps-cfpp", "slug": "uamps-cfpp-cancelled", "name": "UAMPS Carbon Free Power Project (cancelled)", "country": "US", "country_name": "United States", "stage": "cancelled", "stage_label": "Cancelled", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "NuScale VOYGR (US460 / NPM)", "design_id": "dsn-voygr", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": 462, "electrical_basis": "gross", "thermal_mwth": null, "capacity_scope": "plant", "capacity_display": "462 MWe (gross) \u00b7 plant", "module_count_planned": 6, "operators": [ "Utah Associated Municipal Power Systems" ], "vendors": [ "NuScale Power" ], "company_ids": [ "org-nuscale", "org-uamps" ], "company_slugs": [ "nuscale-power", "utah-associated-municipal-power-systems" ], "companies": [ { "id": "org-nuscale", "name": "NuScale Power", "ticker": "SMR" }, { "id": "org-uamps", "name": "Utah Associated Municipal Power Systems", "ticker": null } ], "tickers": [ "SMR" ], "site_name": "INL / CFPP proposed NuScale site", "location_precision": "approximate", "lat": 43.51, "lon": -113.0, "mappable": true, "confidence": "high", "url": "/projects/uamps-cfpp-cancelled/", "summary": "Cancelled NuScale VOYGR municipal project at INL. Retained for historical SMR program coverage \u2014 not an active deployment." }, { "id": "prj-rr-pipeline-undisclosed", "slug": "rolls-royce-smr-undisclosed", "name": "Rolls-Royce SMR additional sites (undisclosed pins)", "country": "GB", "country_name": "United Kingdom", "stage": "announced", "stage_label": "Announced", "technology": "iPWR", "technology_label": "Integral pressurized water reactor (iPWR)", "design_name": "Rolls-Royce SMR", "design_id": "dsn-rr-smr", "design_class": "smr", "design_class_label": "SMR", "electrical_mwe": null, "electrical_basis": "unknown", "thermal_mwth": null, "capacity_scope": "unknown", "capacity_display": "\u2014", "module_count_planned": null, "operators": [], "vendors": [ "Rolls-Royce SMR" ], "company_ids": [ "org-rolls-royce-smr" ], "company_slugs": [ "rolls-royce-smr" ], "companies": [ { "id": "org-rolls-royce-smr", "name": "Rolls-Royce SMR", "ticker": null } ], "tickers": [], "site_name": "Undisclosed / multi-site Rolls-Royce pipeline", "location_precision": "undisclosed", "lat": null, "lon": null, "mappable": false, "confidence": "low", "url": "/projects/rolls-royce-smr-undisclosed/", "summary": "Buyer discussions beyond Wylfa are searchable here without inventing map coordinates." } ]