Otter Creek Wind Farm LLC

Otter Creek Wind Farm LLC is a 150 MW wind farm in LaSalle County, Illinois, operated by Avangrid Power LLC. EIA-860M lists 1 generating unit here, inside PJM. Its unit entered service in 2020.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
150 MW
150 MW net summer
Generating units
1
In service
2020
EIA plant ID
61344

Where it is

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County
LaSalle County, Illinois
Coordinates
41.0554, -88.9939
Balancing authority
PJM
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Avangrid Power LLC
Primary energy source
Wind
Technologies
Onshore Wind Turbine
Status
Operating

Every plant Avangrid Power LLC reports to EIA →

Otter Creek Wind Farm LLC: FAQ

Where is Otter Creek Wind Farm LLC?
In LaSalle County, Illinois (IL). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Otter Creek Wind Farm LLC?
150 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Otter Creek Wind Farm LLC?
EIA-860M names Avangrid Power LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is Otter Creek Wind Farm LLC still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.