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101.5 MW Solar under construction in Mayes, OK
101.5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Coordinates
36.2901, -95.4265
County
Mayes, OK
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 | Leeward Asset Management, LLC | Leeward Energy | — |
| Owner(s) | Leeward Asset Management, LLC | Leeward Energy | — |
| Status | Under construction | construction | — |
GEM identifies the owner as Leeward Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Mayes County Solar is a 101.5 MW solar photovoltaic power plant located in Mayes County, Oklahoma. The plant, identified by the EIA plant code 68006, is operated by Leeward Asset Management, LLC. It utilizes fixed-tilt solar tracking technology. Mayes County Solar ranks as the 5th largest solar plant in Oklahoma out of 6 total, and 552nd nationally out of 639.
The plant consists of a single generator and uses SUN as its primary fuel source. It operates within the Southwest Power Pool (SPP) balancing authority and is situated in the Midwest Reliability Organization (MRO) NERC region. Recent news coverage indicates activity related to deals (6 articles), industry trends (2 articles), grid operations (1 article), and hazards (1 article).
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
161.0 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
$1,543/kW
Est. Construction Cost
Total estimated cost: $156.6M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
Pryor Continental Pipe Substation
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
—
Pricing Hub
SPPSOUTH_HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
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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