Roadrunner Solar and BESS

Roadrunner Solar and BESS is a 470 MW battery storage project in Cochise County, Arizona, operated by Clenera LLC. EIA-860M lists 2 generating units here. Its units entered service between 2025 and 2026.

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
470 MW
470 MW net summer
Generating units
2
In service
2025–2026
EIA plant ID
67823

Where it is

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County
Cochise County, Arizona
Coordinates
32.0861, -109.9353
Balancing authority
WALC
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Clenera LLC
Primary energy source
Battery
Technologies
Batteries, Solar Photovoltaic
Status
Operating

This site runs on more than one energy source. EIA-860M capacity splits: Battery 235 MW, Solar 235 MW. It is filed here under Battery, the source with the most capacity.

Every plant Clenera LLC reports to EIA →

Roadrunner Solar and BESS: FAQ

Where is Roadrunner Solar and BESS?
In Cochise 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 Roadrunner Solar and BESS?
470 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Roadrunner Solar and BESS?
EIA-860M names Clenera LLC 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 Roadrunner Solar and BESS LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Clenera LLC 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 "Roadrunner Solar and BESS LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Roadrunner Solar and BESS still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.