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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
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
40.0K MWh
Latest Month
466.1K MWh
Annual Generation
15.6%
Capacity Factor
CO₂ Intensity
2080 lb/MWh
NOx
0.479 lb/MWh
SO₂
Gas turbine · Indianapolis Power & Light Company · Data from 2015–2024
$350/kW
Installed Cost
$-8/kW
Annual CapEx
$36.0/MWh
Operating Cost
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
View all 9 articlesNo ask pi reports yet for this entity.
ask pi about GeorgetownMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.010 lb/MWh
CH₄
0.028 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
8.0%
Annual Net Gen
239 GWh
CO₂eq
2082 lb/MWh
Subregion
RFC West