Where is Iron Horse Battery Storage Hybrid?

In Pima County, Arizona (AZ). 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 Iron Horse Battery Storage Hybrid?

12 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns Iron Horse Battery Storage Hybrid?

EIA-860M names RWE Clean Energy 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 Iron Horse Battery Storage Hybrid LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — RWE Clean Energy 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 "Iron Horse Battery Storage Hybrid LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Iron Horse Battery Storage Hybrid still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Iron Horse Battery Storage Hybrid

Iron Horse Battery Storage Hybrid is a 12 MW battery storage project in Pima County, Arizona, operated by RWE Clean Energy. EIA-860M lists 2 generating units here. Its units entered service in 2017.

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: 12 MW; 12 MW net summer
Generating units: 2
In service: 2017
EIA plant ID: 60996

Where it is

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County: Pima County, Arizona
Coordinates: 32.0985, -110.8191
Balancing authority: TEPC
Sector: IPP Non-CHP

Units, technology and status

Operator of record: RWE Clean Energy
Primary energy source: Battery
Technologies: Batteries, Solar Photovoltaic
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Battery 10 MW, Solar 2 MW. It is filed here under Battery, the source with the most capacity.

Every plant RWE Clean Energy reports to EIA →

Iron Horse Battery Storage Hybrid: FAQ

Where is Iron Horse Battery Storage Hybrid?: In Pima County, Arizona (AZ). 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 Iron Horse Battery Storage Hybrid?: 12 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Iron Horse Battery Storage Hybrid?: EIA-860M names RWE Clean Energy 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 Iron Horse Battery Storage Hybrid LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — RWE Clean Energy 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 "Iron Horse Battery Storage Hybrid LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Iron Horse Battery Storage Hybrid still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.