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194.3 MW Wind operating in Lee, IL
194.3 MW
Nameplate Capacity
1
Generators
unit
Onshore Wind Turbine
Technology
2019
Operating Since
Coordinates
41.6163, -89.5432
County
Lee, IL
Nearby Plants
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Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green River Wind Farm Phase 1, LLC | Geronimo LLP | — |
| Owner(s) | Green River Wind Farm Phase 1, LLC | Geronimo LLP | — |
| Status | Operating | operating | — |
GEM identifies the owner as Geronimo LLP
This entity is not yet in the GEM ownership database — chain unavailable.
Green River Wind Farm is a 194.3 MW wind power plant located in Lee County, Illinois. The facility began operating in 2019 and is owned and operated by Green River Wind Farm Phase 1, LLC. The plant utilizes a single generator comprised of onshore wind turbines. The wind turbines were manufactured by Siemens Gamesa Renewable Energy, model SG-2.625-126, with a rotor diameter of 126 meters and a hub height of 84 meters.
In its most recent year of operation, Green River Wind Farm generated 497,093 MWh of electricity, achieving a capacity factor of 29.2%. The plant is interconnected to the grid within the PJM Interconnection, LLC balancing authority, which operates within the RFC NERC region. Green River Wind Farm ranks as the 24th largest wind farm in Illinois out of 44, and 377th nationally out of 734 wind plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
52.0K MWh
Latest Month
497.1K MWh
Annual Generation
29.2%
Capacity Factor
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2019
$1,593/kW
Est. Construction Cost
Total estimated cost: $309.5M
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Point of Interconnection
Nearest Substation
Big Sky Wind LLC Substation · 138 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
977GREE34.5 KV GRVRU1WF
Pricing Hub
N ILLINOIS HUB
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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