Query
Mammoth South Solar Project
Type
Entity Briefing
Entity
Mammoth South Solar Project
ISO/RTO
spp
Generated
2026-10-18T10:52:03.741Z

Briefing on Mammoth South Solar Project

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
300 MW
Capacity
Under construction
Current status
1
Generators
Briefing/plantUnder construction

Mammoth South Solar Project is a 300 MW Solar Photovoltaic asset in PJM Interconnection, currently Under construction.

Mammoth South Solar Project is reported in Indiana under Mammoth South LLC. Available operating and financial measures include $1606/kW reported CapEx.

Location
Pulaski, Indiana
Technology
Solar Photovoltaic
Owner / parent
Mammoth South LLC
Operator
Mammoth South LLC
Grid
PJM Interconnection
Plant ID
66545

What stands out

1

Mammoth South Solar Project is a 300 MW Solar Photovoltaic asset in Indiana with status Under construction.

2

Available financial measures include $1606/kW CapEx.

3

1 linked queue projects represent 300 MW of proposed capacity.

4

Latest linked story: “Progress Advances on 900 MW Phase of Mammoth Solar Project” (TipRanks, 2026-04-03).

Market and operating context

ISO / market
PJM Interconnection
Balancing authority
PJM Interconnection, LLC
NERC region
RFC
State rank
#5 of 144
National rank
#166 of 7,971

Why it matters

For this asset in PJM Interconnection, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.

Mammoth South Solar Project — verified asset snapshot

FieldValue
LocationPulaski, Indiana
TechnologySolar Photovoltaic
Owner / parentMammoth South LLC
OperatorMammoth South LLC
GridPJM Interconnection
Plant ID66545
ISO / marketPJM Interconnection
Balancing authorityPJM Interconnection, LLC