On Energy Storage — Operated Plants

11 plants · 119 MW total capacity

On Energy Storage operates 11 power plants with 119 MW total capacity. Primarily battery storage (11 plants, 119 MW).

Largest is Spencer Clean Energy Center (BESS) (12 MW BESS); oldest active is Spencer Clean Energy Center (BESS) (2025); newest is Alamo Clean Energy Center (BESS) (2026).

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Key Stats

Largest fuel
Battery Storage (11 plants)
Largest state
Texas (11 plants)

Plants by State

Texas (11 plants · 119 MW)

Plants by Fuel Type

Battery Storage (11 plants · 119 MW)

Queue Projects (10 projects)

Developer name contains “On Energy Storage”