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Canceled or postponed, according to EIA. Last listed as operating or planned in January 2026. EIA-860M · Sep 2026
500 MW Solar in DeKalb, IL
500 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
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Coordinates
42.0600, -88.8100
County
DeKalb, IL
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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 | Leeward Asset Management, LLC | Leeward Energy | — |
| Owner(s) | Leeward Asset Management, LLC | Leeward Energy | — |
| Status | Canceled or postponed | announced | — |
Owens Creek Solar is a 500 MW solar photovoltaic power plant located in DeKalb County, Illinois. The plant utilizes fixed-tilt solar tracking technology and consists of a single generator. Leeward Asset Management, LLC operates the facility.
Owens Creek Solar ranks as the third-largest solar plant in Illinois out of 19, and it holds the 21st position nationally among 639 solar plants. The plant is connected to the PJM Interconnection, LLC balancing authority, within the RFC NERC region. The primary fuel source for electricity generation is solar energy (SUN).
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $803.0M
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Market Position
ISO/RTO Market
PJM
LMP Node
—
Pricing Hub
N ILLINOIS HUB
Node Source
OSM spatial match
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 2026-03-14
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Top solar plant owners in the US
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Top 10 solar states
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