Garrison Energy Center LLC — Plant Summary
- EIA Plant ID
- 57349
- Capacity
- 361 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Kent, DE
- Operating Since
- 2015
- Generators
- 2
- Operator
- Garrison Energy Center LLC
- Parent Company
- —
- Annual Generation
- 855,452 MWh
- Capacity Factor
- 27.0%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Garrison Energy Center LLC
OperatingNatural Gas
Ranked #3 of 10 Natural Gas plants in DE#580 of 2009 nationally
361 MW Natural Gas operating in Kent, DE — PJM Interconnection, LLC
EIAWD
361 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2015
Operating Since
Location
Coordinates
39.1870, -75.5001
County
Kent, DE
Nearby Plants
- Dover Sun ParkSolar10 MW · 0.5 km
- Tracy Solar Energy CenterSolar119 MW · 5.9 km
- Van Sant StationNatural Gas45.1 MW · 6.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Garrison Energy Center LLC | — | — |
| Owner(s) | Cobalt Power, L.L.C. | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Garrison Energy Center LLC is a 361 MW natural gas-fired combined cycle power plant located in Kent County, Delaware. The plant began operating in 2015 and is owned and operated by Garrison Energy Center LLC. It consists of two generators and is the third-largest power plant in Delaware out of four total plants, and ranks 582nd nationally out of 945 plants.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In its latest year of reported generation, the Garrison Energy Center produced 855,452 MWh of electricity, achieving a capacity factor of 27.0%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
119.3K MWh
Latest Month
855.5K MWh
Annual Generation
27.0%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
135389815
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
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Last updated 2026-03-26
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