Orion - HelionPlanned
Chelan County, Washington · EIA plant ID 69099 · Operator: Helion Energy, Inc.
50 MW planned (Other Gases), first expected Dec 2028 · EIA-860M
Nameplate—MWSummer — MW
Generators0in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—thermal plants only
First online—
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
No capacity factor available.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Heat rate applies to fuel-burning (thermal) units only.
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| HEWA1 | Other Gases | OT | 50 | 50 | planned Dec 2028 | Planned | — | coming soon |
Owner / operator
Operator: Helion Energy, Inc.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Nearby plants
Within 80 km.
| Rock Island | 629 MW | 1.4 km |
| PEC Headworks | retired | 25.2 km |
| Rocky Reach | 1,349 MW | 26.2 km |
| SR Quincy Valley | — | 30.8 km |
| Wild Horse | 273 MW | 34.3 km |
| Vantage Wind Energy LLC | 90 MW | 42.9 km |