Troy Solar — Plant Summary
- EIA Plant ID
- 63929
- Capacity
- 50.4 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Spencer, IN
- Operating Since
- 2021
- Generators
- 1
- Operator
- Southern Indiana Gas & Elec Co
- Parent Company
- —
- Annual Generation
- 94,811 MWh
- Capacity Factor
- 21.4%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Troy Solar
OperatingSolar
Ranked #40 of 140 Solar plants in IN#1298 of 7447 nationally
50.4 MW Solar operating in Spencer, IN — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
50.4 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2021
Operating Since
Location
Coordinates
38.0267, -86.7889
County
Spencer, IN
Nearby Plants
- Tell City Solar ParkSolar3.2 MW · 8.2 km
- IMPA Tell City Solar ParkSolar1.1 MW · 10.0 km
- Cannelton Hydroelectric PlantHydro87.9 MW · 15.9 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southern Indiana Gas & Elec Co | Vectren | — |
| Owner(s) | Southern Indiana Gas & Elec Co | Vectren Corp [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Vectren Corp [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Troy Solar is a 50.4 MW solar photovoltaic power plant located in Spencer County, Indiana. The plant began operating in 2021 and is owned and operated by Southern Indiana Gas & Electric Co. It utilizes single-axis tracking technology. As of the most recent data, Troy Solar ranks 37th out of 136 power plants in Indiana and 1110th out of 7108 plants nationally.
In its latest year of operation, Troy Solar generated 94,811 MWh of electricity, achieving a capacity factor of 21.4%. The plant connects to the grid within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority. Financial data is available for Troy Solar from LBNL, indicating it is a project of interest for solar energy finance research.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
2.4K MWh
Latest Month
94.8K MWh
Annual Generation
21.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$47.4/MWh
LCOE (Levelized Cost)
$32.2/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
SIGE.TROY_SOL
Pricing Hub
INDIANA.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·permitting
A proposed Willamette Valley solar park is still in the mix. Neighbors want to nix it
Neighbors hoped the sun was setting on the planned Muddy Creek solar park. Now it seems the company behind it is preparing for a new dawn.
Muddy Creek (other)
Oregon Public Broadcasting - OPB·2 days ago
Regulatory·state puc
Mayor wants Troy to be 1st Capital Region city with battery storage moratorium
TROY — There are no battery storage energy systems in Troy. Mayor Carmella Mantello is open to keeping it that way.
Troy (other)Carmella Mantello (executive)
Times Union·2 months ago
Industry·corporate
Rep. Troy Balderson Is Right: Coal and Gas Drive Affordable, Reliable, and Clean
The International Energy Agency (IEA) defines energy security as “The uninterrupted availability of energy sources at an affordable price.
Troy Balderson (other)International Energy Agency (other)
RealClearEnergy·4 months ago
Industry·corporate
Miami County sees potential for solar project at Troy superfund site
A report from a solar energy provider released earlier this year states that a solar project at the Miami County Incinerator superfund site...
Miami County (other)
WYSO Public Radio·7 months ago
Last updated 2026-03-14
View all 10 articles