Hampton Substation Energy Storage

Hampton Substation Energy Storage is a 2 MW battery storage project in Franklin County, Iowa, operated by Corn Belt Power Coop. EIA-860M lists 1 generating unit here, inside SPP. Its unit entered service in 2022.

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
1.8 MW
1.4 MW net summer
Generating units
1
In service
2022
EIA plant ID
67948

Where it is

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County
Franklin County, Iowa
Coordinates
42.6872, -93.2321
Balancing authority
SWPP
Sector
Electric Utility

Units, technology and status

Operator of record
Corn Belt Power Coop
Primary energy source
Battery
Technologies
Batteries
Status
Operating

Every plant Corn Belt Power Coop reports to EIA →

Hampton Substation Energy Storage: FAQ

Where is Hampton Substation Energy Storage?
In Franklin County, Iowa (IA). 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 Hampton Substation Energy Storage?
2 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Hampton Substation Energy Storage?
EIA-860M names Corn Belt Power Coop 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 Hampton Substation Energy Storage LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Corn Belt Power Coop 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 "Hampton Substation Energy Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Hampton Substation Energy Storage still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.