Westside Wastewater Treatment Plant Hybr
Westside Wastewater Treatment Plant Hybr is a 11 MW battery storage project in Washington County, Arkansas, operated by Today's Power, Inc.. EIA-860M lists 2 generating units here, inside SPP. Its units entered service in 2019.
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
- 11 MW
- 11 MW net summer
- Generating units
- 2
- In service
- 2019
- EIA plant ID
- 62683
Where it is
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- County
- Washington County, Arkansas
- Coordinates
- 36.0414, -94.1401
- Balancing authority
- SWPP
- Sector
- Commercial Non-CHP
Units, technology and status
- Operator of record
- Today's Power, Inc.
- Primary energy source
- Battery
- Technologies
- Batteries, Solar Photovoltaic
- Status
- Operating
This site runs on more than one energy source. EIA-860M capacity splits: Battery 6 MW, Solar 5 MW. It is filed here under Battery, the source with the most capacity.
Westside Wastewater Treatment Plant Hybr: FAQ
- Where is Westside Wastewater Treatment Plant Hybr?
- In Washington County, Arkansas (AR). 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 Westside Wastewater Treatment Plant Hybr?
- 11 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Westside Wastewater Treatment Plant Hybr?
- EIA-860M names Today's Power, Inc. 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 Westside Wastewater Treatment Plant Hybr LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Today's Power, Inc. 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 "Westside Wastewater Treatment Plant Hybr LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Westside Wastewater Treatment Plant Hybr still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.