Designs / dsn-vver-300-v478
VVER-300 (V-478)
Historical two-loop light-water VVER design included in the IAEA’s September 2014 water-cooled SMR compilation, at about 300 MWe and 850 MWth. Gross/net electrical basis is unstated. This dated classification does not establish present availability, a deployment or authorization. It is distinct from VVER-I and VBER-300.
Catalogue identity snapshot: 2014 (dated description; not confirmation of current development or availability). Later technical descriptions, where recorded, are dated separately below. Source review does not establish current availability or a deployment.
- Class
- SMR
- Technology
- Other
- Coolant
- light water
- Spectrum
- thermal
- Developer / vendor(s) as of 2014
- OKB Gidropress
- Module electrical
- approximately 300 MWe (nameplate (gross/net unspecified))
- Module thermal
- 850 MWth (nameplate; basis unspecified)
- Inclusion basis
- smr_by_design_class
- Confidence
- medium
- Last verified
- 2026-10-13
Tracked deployment projects
- No projects tracked here.
Design sources
- IAEA: Advances in Small Modular Reactor Technology Developments (2014) (iaea_or_nea, published 2014, accessed 2026-10-13)