340 MW Natural Gas operating in Marion, IN — Midcontinent Independent Transmission System Operator, Inc..
340 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2000
Operating Since
Coordinates
39.9026, -86.2441
County
Marion, IN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Indiana | AES Indiana | — |
| Owner(s) | AES Indiana, Indiana Municipal Power Agency | AES | — |
| Status | Operating | — | — |
The Georgetown power plant is a 340 MW natural gas-fired facility located in Marion County, Indiana. It began operating in 2000 and consists of four natural gas fired combustion turbine generators. The plant is owned by AES and operated by AES Indiana. Georgetown is connected to the Midcontinent Independent Transmission System Operator (MISO) balancing authority.
In the most recent year of record, Georgetown generated 466,094 MWh of electricity, achieving a capacity factor of 15.6%. The plant's installed cost was $339.09 per kW, according to FERC data. Georgetown ranks as the 11th largest power plant in Indiana out of 20, and 610th nationally out of 945 plants. The plant resides within the ReliabilityFirst Corporation (RFC) NERC region.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
40.0K MWh
Latest Month
466.1K MWh
Annual Generation
15.6%
Capacity Factor
$350/kW
Installed Cost
$36.0/MWh
Operating Cost
Indianapolis Power & Light Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
IPL.16GEOR11G
Pricing Hub
INDIANA.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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