Saint Energy Storage II LLC
Saint Energy Storage II LLC is a 100 MW battery storage project in Pinal County, Arizona, operated by Saint Energy Storage II LLC. EIA-860M lists 1 generating unit here. Its unit entered service in 2023.
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
- 100 MW
- 100 MW net summer
- Generating units
- 1
- In service
- 2023
- EIA plant ID
- 66716
Where it is
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- County
- Pinal County, Arizona
- Coordinates
- 32.8695, -111.5142
- Balancing authority
- SRP
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Saint Energy Storage II LLC
- Primary energy source
- Battery
- Technologies
- Batteries
- Status
- Operating
Saint Energy Storage II LLC: FAQ
- Where is Saint Energy Storage II LLC?
- In Pinal 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 Saint Energy Storage II LLC?
- 100 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Saint Energy Storage II LLC?
- EIA-860M names Saint Energy Storage II LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Saint Energy Storage II LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.