Projects / prj-cascade-enw
Cascade Advanced Energy Facility
Energy Northwest / X-energy Xe-100 project on Hanford Reservation adjacent to Columbia Generating Station. Named Cascade; about 320 MWe initial with possible expansion to about 960 MWe. Pre-application / environmental preparation, not construction.
- Stage
- Licensing
- Design
- Xe-100 (SMR)
- Technology
- High-temperature gas-cooled reactor (HTGR) · helium
- Operator(s)
- Energy Northwest
- Vendor(s)
- X-energy
- Location
- Hanford Reservation Cascade / Columbia GS area · United States · precision: approximate
Approximate pin near Columbia Generating Station / DOE Hanford area cited by NRC. Not a surveyed plant centroid. - Coordinates
- 46.471, -119.333
- Electrical capacity
- 320 MWe (net) · scope: plant
- Thermal capacity
- —
- Modules planned
- 4
- Inclusion basis
- smr_by_design_class
- Confidence
- high
- Last verified
- 2026-10-01 (publication/verification date)
Milestones & dated events
- Planned commercial operation: 2030s · planned · year
Regulatory actions
- None recorded in this release.
Sources
- Energy Northwest Cascade naming release (company_primary, accessed 2026-10-01)
- NRC pre-application Energy Northwest Cascade (regulator_primary, accessed 2026-10-01)