Projects / prj-darlington-bwrx
Darlington BWRX-300 Unit 1
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.
- Stage
- Construction
- Design
- BWRX-300 (SMR)
- Technology
- Boiling water reactor (BWR) · light_water
- Operator(s)
- Ontario Power Generation
- Vendor(s)
- GE Vernova Hitachi Nuclear Energy
- Location
- Darlington New Nuclear Project site · Canada · precision: exact
Existing Darlington nuclear campus; coordinates approximate to plant area, not HQ. - Coordinates
- 43.8725, -78.7197
- Electrical capacity
- 300 MWe (net) · scope: module
- Thermal capacity
- —
- Modules planned
- 1
- Inclusion basis
- smr_by_design_class
- Confidence
- high
- Last verified
- 2026-10-01 (publication/verification date)
Milestones & dated events
- Planned grid connection: 2030 · planned · year
- Construction licence: 2025-04 · actual · month
- CNSC grants Darlington construction licence: 2025-04 · actual · month · other
- OPG applies for operating licence: 2026-03-25 · actual · day · other
Regulatory actions
- OPG licence to construct BWRX-300 — licence_to_construct · approved · CNSC
- OPG licence to operate application — operating_licence · under_review · CNSC
Sources
- CNSC Darlington New Nuclear Project (regulator_primary, accessed 2026-10-01)