Preliminary 2025 facility recordOperating

Marengo TWP, IL · EIA plant 62856

Marengo Battery Storage LLC

Marengo Battery Storage LLC is a storage power facility in Marengo TWP, IL, with 20 MW of operating capacity.

Operating capacity20 MW1 operating generators
Proposed capacity0 MW0 proposed generators
UtilityMarengo Battery Storage LLCEIA-reported operator
Balancing authorityPJMPJM Interconnection, LLC

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Storage20 MW
ProposedNo proposed capacity reported
Reported technologiesBatteries

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