USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Knox, IN · EIA plant 65957

Mammoth North Solar

Mammoth North Solar is a solar power facility in Knox, IN, with 400 MW of operating capacity.

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Operating capacity400 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityMammoth North, LLCEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Solar400 MW
ProposedNo proposed capacity reported
Reported technologiesSolar Photovoltaic

Nearby in IN

Related facilities

IN · 7.8 miMammoth South Solar Project300 MW →IN · 8.2 miMammoth Central II Solar Facility300 MW →IN · 8.5 miMammoth Central Solar Project300 MW →IN · 10.4 miIMPA Winamac Solar Park3 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source