Designs / dsn-sc-htgr
SC-HTGR (Framatome steam-cycle HTGR)
Modular prismatic-block helium-cooled reactor developed by AREVA and then Framatome Inc. in the United States, listed in the IAEA's 2014-2020 SMR booklets at 625 MWt and 272 MWe (conceptual design). Listed by WNA under the name Antares; unrelated to Antares Nuclear. This dated design profile does not establish current development, a deployment site or any regulatory permission.
Source snapshot: 2020 (edition or document date of the cited source). Source review does not establish current availability or a deployment.
- Class
- SMR
- Technology
- High-temperature gas-cooled reactor (HTGR)
- Coolant
- helium
- Spectrum
- thermal
- Developer / vendor(s) as of 2020
- Framatome Inc.
- Module electrical
- 272 MWe (nameplate (gross/net unspecified))
- Module thermal
- 625 MWth (nameplate_unspecified)
- Inclusion basis
- smr_by_design_class
- Confidence
- medium
- Last verified
- 2026-10-03
Tracked deployment projects
- No projects tracked here.