Query
Marengo Battery Storage LLC
Type
Entity Briefing
Entity
Marengo Battery Storage LLC
Technology
battery
Generated
2026-10-18T10:49:04.503Z

Briefing on Marengo Battery Storage LLC

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
20 MW
Capacity
Out of service
Current status
2018
Operating since
1
Generators
-0.1%
Capacity factor
-0 GWh
Annual generation
Briefing/plantOut of service

Marengo Battery Storage LLC is a 20 MW Batteries asset in PJM Interconnection, currently Out of service.

Marengo Battery Storage LLC is reported in Illinois since 2018 under Marengo Battery Storage LLC. Available operating and financial measures include -0.1% capacity factor and -0 GWh annual generation; $1239/kW reported CapEx.

Location
McHenry, Illinois
Technology
Batteries
Owner / parent
Marengo Battery Storage LLC
Operator
Marengo Battery Storage LLC
Grid
PJM Interconnection
Plant ID
62856

What stands out

1

Marengo Battery Storage LLC is a 20 MW Batteries asset in Illinois with status Out of service.

2

Latest annual operating measures report -0.1% capacity factor and -0 GWh annual generation.

3

Available financial measures include $1239/kW CapEx.

Market and operating context

ISO / market
PJM Interconnection
Balancing authority
PJM Interconnection, LLC
NERC region
RFC
State rank
#4 of 6
National rank
#528 of 994

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.