The EIA July 2026 operating inventory lists Walnut Ridge Wind Farm as a 212 MW onshore wind facility in Bureau County, Illinois, within PJM.
Canonical EIA plant baseline.
plant-58694
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 212 MW 212 MW summer | Onshore Wind Turbine Wind · WT | Dec 2018 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Grande Prairie Wind Farm | 400 MW | NE | |
| Santa Rita Wind Energy | 300 MW | TX | |
| Mariah del Norte | 230.4 MW | TX | |
| Walnut Ridge Wind FarmCurrent | 212 MW | IL | |
| Flat Top Wind I | 200 MW | TX | |
| Alamo 6 | 105 MW | ||
Project milestones and public references behind the asset profile.
Geronimo Energy announced the sale of a portfolio of wind and solar energy projects to BHE Renewables (subsidiary of Berkshire Hathaway Energy). Walnut Ridge Wind Farm was included in the portfolio. Transaction terms and purchase price were not disclosed.
Mortenson began EPC work including engineering, procurement, construction of roads, turbine foundations, installation of 106 Vestas turbines, transmission lines, meteorological towers, interconnection facility, and collection substation. The $140 million figure is a construction-program total for multiple Illinois projects by Mortenson in 2018, not a project-specific cost.
EIA-860 lists generator 1 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Walnut Ridge Wind Farm has a reported capacity of 212 MW. Source: EIA Form 860M.
Walnut Ridge Wind Farm is a Onshore Wind Turbine facility in Bureau County, IL, participating in the PJM market.
Walnut Ridge Wind Farm is in Bureau County, IL, inside the PJM balancing area.
Walnut Ridge Wind Farm is operated by BHE Renewables, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Walnut Ridge Wind Farm reported 767.7 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
By capacity, Walnut Ridge Wind Farm ranks #206 of 1,362 operating plants of the same technology nationally. It ranks #11 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.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
