Horn Rapids Solar, Storage and Training
Horn Rapids Solar, Storage and Training is a 4 MW solar farm in Benton County, Washington, operated by Energy Northwest. EIA-860M lists 2 generating units here. Its units entered service in 2020.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 4.2 MW
- 4.2 MW net summer
- Generating units
- 2
- In service
- 2020
- EIA plant ID
- 64198
Where it is
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- County
- Benton County, Washington
- Coordinates
- 46.3529, -119.3222
- Balancing authority
- BPAT
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Energy Northwest
- Primary energy source
- Solar
- Technologies
- Batteries, Solar Photovoltaic
- Status
- Operating
This site runs on more than one energy source. EIA-860M capacity splits: Solar 3 MW, Battery 1 MW. It is filed here under Solar, the source with the most capacity.
Horn Rapids Solar, Storage and Training: FAQ
- Where is Horn Rapids Solar, Storage and Training?
- In Benton County, Washington (WA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Horn Rapids Solar, Storage and Training?
- 4 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Horn Rapids Solar, Storage and Training?
- EIA-860M names Energy Northwest as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Horn Rapids Solar, Storage and Training LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Energy Northwest here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Horn Rapids Solar, Storage and Training LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Horn Rapids Solar, Storage and Training still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.