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283 MW Natural Gas operating in Hamilton, IN — Midcontinent Independent Transmission System Operator, Inc..
283 MW
Nameplate Capacity
5
Generators
units
Natural Gas Fired Combined Cycle
Technology
1950
Operating Since
Coordinates
40.0969, -85.9714
County
Hamilton, IN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Indiana, LLC | Duke Energy Indiana | — |
| Owner(s) | Duke Energy Indiana, LLC | Duke Energy | — |
| Status | Operating | — | — |
The Noblesville power plant is a 283 MW natural gas-fired combined cycle facility located in Hamilton County, Indiana. Operated by Duke Energy Indiana, LLC, the plant has been in service since 1950 and consists of 5 generators. It is owned by Duke Energy and operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. Noblesville ranks as the 12th largest power plant in Indiana out of 20, and 665th nationally out of 945 plants.
In the latest year of reported generation, the plant produced 1,800,099 MWh of electricity, achieving a capacity factor of 72.4%. Financial data indicates an installed cost of $845.73 per kW. The plant also has a PPA price of $5.7 per MWh, according to FERC and FERC EQRs. The plant has been mentioned in 10 news articles, with 5 focusing on regulatory matters, 3 on industry news, and 2 related to hazards.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
209.5K MWh
Latest Month
1.8M MWh
Annual Generation
72.4%
Capacity Factor
CO₂ Intensity
888 lb/MWh
NOx
0.139 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
51.3%
Annual Net Gen
1273 GWh
CO₂eq
889 lb/MWh
Subregion
RFC West
Duke Energy Indiana, LLC · Data from 2015–2025
$5.7/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Noblesville Substation (69kV) · 138 kV
Substation Distance
< 10 km
Operator
Duke Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
CP/Comm Pricing
Pricing Hub
INDIANA.HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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