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United States › Power plants › Battery storage › Colorado

BATTERY STORAGE

Drennan Energy Storage

Drennan Energy Storage is a 100 MW planned battery storage site in El Paso County, Colorado, operated by Drennan Energy Storage LLC.

Plant statusIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Mar 2028 (not yet reached)
  5. Closed (not yet reached)

Planned start of operation reported to EIA: Mar 2028.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
DRENNBatteries100 MW Regulatory approvals pendingTarget Mar 2028

Plant details

Operator
Drennan Energy Storage LLC
Location
El Paso County, Colorado
Balancing authority
SWPP
Sector
IPP Non-CHP
Capacity
Planned: 100 MW
EIA plant ID
70050

Location

38.7729, -104.6671

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