Fort Polk (fka Johnson) - Chaffee West

Fort Polk (fka Johnson) - Chaffee West is a 5 MW solar farm in Vernon County, Louisiana, operated by Onyx Asset Services Group. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2025.

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
4.5 MW
4.5 MW net summer
Generating units
1
In service
2025
EIA plant ID
69733

Where it is

Loading map…
County
Vernon County, Louisiana
Coordinates
31.0993, -93.1984
Balancing authority
MISO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Onyx Asset Services Group
Primary energy source
Solar
Technologies
Solar Photovoltaic
Status
Operating

Every plant Onyx Asset Services Group reports to EIA →

Fort Polk (fka Johnson) - Chaffee West: FAQ

Where is Fort Polk (fka Johnson) - Chaffee West?
In Vernon County, Louisiana (LA). 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 Fort Polk (fka Johnson) - Chaffee West?
5 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Fort Polk (fka Johnson) - Chaffee West?
EIA-860M names Onyx Asset Services Group 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 Fort Polk (fka Johnson) - Chaffee West LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Onyx Asset Services Group 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 "Fort Polk (fka Johnson) - Chaffee West LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Fort Polk (fka Johnson) - Chaffee West still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.