🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Power plants › Battery storage › Oklahoma

BATTERY STORAGE

Minco II Energy Storage

Minco II Energy Storage is a 65.0 MW operating battery storage site in Grady County, Oklahoma, operated by Minco II Energy Storage LLC. Its batteries store up to 65 MWh.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMay 2025 (current stage)
  5. Closed (not yet reached)

Open in Google MapsMore battery storage sites in Oklahoma

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
MINS2Batteries65 MW
65 MWh
OperatingMay 2025

Plant details

Operator
Minco II Energy Storage LLC
Location
Grady County, Oklahoma
Balancing authority
SWPP
Sector
IPP Non-CHP
Capacity
Operating: 65.0 MW
First unit online
May 2025
EIA plant ID
68802

Location

35.3053, -97.8912

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem