USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Monmouth, IL · EIA plant 66631

Earp Solar, LLC

Earp Solar, LLC is a solar power facility in Monmouth, IL, with 35 MW of operating capacity.

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Operating capacity35 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityBirch Creek Power, LLCEIA-reported operator
Balancing authorityMISOMidcontinent Independent Transmission System Operator, Inc..

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Solar35 MW
ProposedNo proposed capacity reported
Reported technologiesSolar Photovoltaic

Nearby in IL

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IL · 9.5 miSV CSG Reeder Solar5 MW →IL · 14.2 miIllinois PV Knox 3A2 MW →IL · 14.2 miIllinois PV Knox 3B2 MW →IL · 14.3 miStation Solar40 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