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400 MW Solar operating in Starke, IN
400 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Coordinates
41.1993, -86.6338
County
Starke, IN
Nearby Plants
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Request a demo →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 | Mammoth North, LLC | Doral Renewables LLC | — |
| Owner(s) | Mammoth North, LLC | Doral Renewables LLC | — |
| Status | Operating | operating | — |
GEM identifies the owner as Doral Renewables LLC
This entity is not yet in the GEM ownership database — chain unavailable.
Mammoth North Solar is a 400 MW solar photovoltaic power plant located in Starke County, Indiana. The plant, owned and operated by Mammoth North, LLC, commenced operations in 2024. It utilizes single-axis tracking technology to maximize solar energy capture. As of its first year of operation, it ranks as the largest solar plant in Indiana (1 of 35) and 43rd nationally (out of 639).
The plant's latest annual generation was 748,323 MWh, achieving a capacity factor of 21.3%. Mammoth North Solar operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Financial data is available for the plant from LBNL, though specific figures are not provided.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
26.1K MWh
Latest Month
748.3K MWh
Annual Generation
21.3%
Capacity Factor
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Request a demo →Data from 2024
$39.9/MWh
LCOE
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Request a demo →Point of Interconnection
Nearest Substation
Bass Lake Sub · 69 kV
Substation Distance
< 10 km
Operator
NIPSCO
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
ORAORA
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
Last updated 2026-04-19
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Data tables and metrics from the InfraSure database.
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Data tables and metrics from the InfraSure database.
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Data tables and metrics from the InfraSure database.