Otter Creek Wind Farm LLC — Plant Summary
- EIA Plant ID
- 61344
- Capacity
- 150 MW
- Primary Fuel
- Wind
- Technology
- Onshore Wind Turbine
- Status
- Operating
- Location
- LaSalle, IL
- Operating Since
- 2020
- Generators
- 1
- Operator
- Avangrid Power LLC
- Parent Company
- Avangrid
- Annual Generation
- 450,075 MWh
- Capacity Factor
- 34.3%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Otter Creek Wind Farm LLC
OperatingWind
Ranked #36 of 61 Wind plants in IL#504 of 1442 nationally
150 MW Wind operating in LaSalle, IL — PJM Interconnection, LLC
EIAGEMWD
150 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2020
Operating Since
Location
Coordinates
41.1264, -88.7000
County
LaSalle, IL
Nearby Plants
- Grand Ridge Solar FarmSolar20 MW · 5.0 km
- Blackstone Wind Farm LLCWind106 MW · 7.0 km
- LaSalle Solar 1Solar2 MW · 7.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avangrid Power LLC | Avangrid Renewables | — |
| Owner(s) | Avangrid Power LLC | Avangrid | — |
| Status | Operating | operating | — |
Ownership Chain
About
Otter Creek Wind Farm LLC is a 150 MW wind power plant located in LaSalle County, Illinois. The facility began operating in 2020 and is owned and operated by Avangrid Power LLC, a subsidiary of Avangrid. The plant utilizes one onshore wind turbine generator. The wind turbines have a hub height of 82 meters and a rotor diameter of 136 meters, and are manufactured by Vestas, model V136-3.8.
The plant's latest annual generation was 450,075 MWh, resulting in a capacity factor of 34.3%. Otter Creek Wind Farm operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. It is ranked as the 33rd largest wind farm in Illinois out of 44, and 480th nationally out of 734.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
52.5K MWh
Latest Month
450.1K MWh
Annual Generation
34.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
UNKNOWN confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
—
Pricing Hub
N ILLINOIS HUB
Node Source
Plant coordinates only
News & Articles (1)Beta
Grid·capacity addition
Avangrid’s Midland Wind project starts spinning in Illinois
Avangrid, member of the Iberdrola Group, today announced Midland Wind has achieved commercial operation. The 106-MW wind farm located in...
Avangrid (developer)Iberdrola Group (other)
Windpower Engineering & Development·2 years ago
Last updated 2026-03-14
View all articles