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Canceled or postponed, according to EIA. Last listed as operating or planned in December 2025. EIA-860M · Sep 2026
84 MW Solar in Mayes, OK
84 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
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Coordinates
36.1931, -95.2871
County
Mayes, OK
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | EDF Renewables Development, Inc. | EDF Renewables | — |
| Owner(s) | EDF Renewables Development, Inc. | EDF Renewables | — |
| Status | Canceled or postponed | announced | — |
Grand River Energy Center Solar is an 84 MW solar photovoltaic power plant located in Mayes County, Oklahoma. The plant's single generator utilizes fixed-tilt solar tracking technology. EDF Renewables Development, Inc. operates the facility, which uses sunlight as its primary fuel source. The plant is within the Southwestern Power Administration balancing authority and the MRO NERC region.
The Grand River Energy Center Solar plant is ranked as the 8th largest solar facility in Oklahoma out of 22, and nationally it is ranked 680 out of 7108 solar plants. News coverage of the plant includes 4 articles related to industry, 3 related to regulatory matters, 3 related to deals, and 1 related to hazards.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
Bilateral Market
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwestern Power Administration (SPA)
Grid Voltage
34.5 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
$1,543/kW
Est. Construction Cost
Total estimated cost: $129.6M
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
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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