Big Sky Wind LLC is a 239.4 MW operating onshore wind facility in Bureau and Lee Counties, Illinois, within the PJM market. The project was originally commissioned in February 2011 and fully repowered in 2022 with 104 Vestas V120-2.2 MW turbines and five Vestas V110-2.0 MW turbines in 2.2 MW operating mode. Potentia Renewables took over operations in late 2024.
Canonical EIA plant baseline.
plant-57135
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 239.4 MW 239.4 MW summer | Onshore Wind Turbine Wind · WT | Feb 2011 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Suzlon Group acquired Big Sky Wind from Edison Mission Energy through its wholly owned U.S. subsidiary, Suzlon Wind Energy Corp (SWECO).
Suzlon completed the sale of Big Sky Wind to EverPower Wind Holdings and agreed to a seven-year service arrangement.
Vitol Wind I LLC acquired the operating 240 MW Big Sky Wind facility from a fund managed by BlackRock for an undisclosed sum.
Vitol awarded a $70 million balance-of-plant contract to Infrastructure and Energy Alternatives (IEA) for engineering, procurement, construction, component replacement, and foundation decommissioning. Work was scheduled to begin in August 2021 and complete in July 2022.
Vestas received a 240 MW order to supply 104 V120-2.2 MW turbines and five V110-2.0 MW turbines in 2.2 MW operating mode to repower Big Sky Wind, including supply, commissioning, and a 20-year AOM 5000 service agreement.
Potentia Renewables Inc., the integrated developer and operator of PSEI, acquired Big Sky Wind from a subsidiary of Vitol. Acquisition financing was provided by PGIM Private Capital ($148 million in senior secured notes) and The Bank of Nova Scotia; Vitol provided tax-equity financing.
PSEI completed the sale of a 49.9% minority interest in Big Sky Wind to funds managed by Hamilton Lane and GCM Grosvenor. PSEI retained a 50.1% majority interest and continues to oversee operations.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Big Sky Wind LLC has a reported capacity of 239.4 MW. Source: EIA Form 860M.
Big Sky Wind LLC is a Onshore Wind Turbine facility in Bureau County, IL, participating in the PJM market.
Big Sky Wind LLC is in Bureau County, IL, inside the PJM balancing area.
Big Sky Wind LLC is operated by Big Sky Wind LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Big Sky Wind LLC reported 730.9 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, Big Sky Wind LLC ranks #167 of 1,362 operating plants of the same technology nationally. It ranks #7 of 57 in IL.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
