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 Winmil Clean Energy Center (BESS) (12 MW BESS); oldest active is Winmil Clean Energy Center (BESS) (2025); newest is North Pecos 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)

Winmil Clean Energy Center (BESS) — 12 MW BESS
Spencer Clean Energy Center (BESS) — 12 MW BESS
Maverick Clean Energy Center (BESS) — 12 MW BESS
Crosby Clean Energy Center (BESS) — 12 MW BESS
Matagorda Clean Energy Center (BESS) — 10 MW BESS
Alamo Clean Energy Center (BESS) — 10 MW BESS
Colorado Clean Energy Center (BESS) — 10 MW BESS
Mesquite Clean Energy Center (BESS) — 10 MW BESS
Fort Stockton Clean Energy Center (BESS) — 10 MW BESS
North Pecos Clean Energy Center (BESS) — 10 MW BESS
Columbus Clean Energy Center (BESS) — 10 MW BESS

Plants by Fuel Type

Battery Storage (11 plants · 119 MW)

Queue Projects (10 projects)

Developer name contains “On Energy Storage”