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300 MW Solar under construction in Pulaski, IN — PJM Interconnection, LLC
300 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Coordinates
41.0953, -86.6916
County
Pulaski, IN
Nearby Plants
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 South LLC | Doral Renewables LLC | — |
| Owner(s) | Mammoth South LLC | Doral Renewables LLC | — |
| Status | Under construction | construction | — |
GEM identifies the owner as Doral Renewables LLC
This entity is not yet in the GEM ownership database — chain unavailable.
The Mammoth South Solar Project is a 300 MW solar photovoltaic power plant located in Pulaski County, Indiana. The plant's primary fuel source is solar energy. It is owned and operated by Mammoth South LLC. The facility consists of a single generator and utilizes fixed-tilt solar tracking technology.
Mammoth South operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. It is the second-largest solar power plant in Indiana out of 35, and ranks 88th nationally among 639 solar facilities.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
No generation data available for this plant.
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $481.8M
Market Position
ISO/RTO Market
PJM
LMP Node
—
Pricing Hub
N ILLINOIS HUB
Node Source
OSM spatial match
Last updated 2026-04-19
View all 8 articlesPJM Interconnection, LLC (PJM)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP