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168 MW Solar testing in Yuma, AZ
168 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Coordinates
32.9156, -113.5778
County
Yuma, AZ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service Co | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Testing | construction | — |
Ironwood Solar is a 168 MW solar photovoltaic power plant located in Yuma County, Arizona. The plant, which utilizes fixed-tilt solar tracking technology, is owned by Pinnacle West Capital and operated by Arizona Public Service Co (APS). It is the 9th largest solar plant in Arizona out of 23, and ranks 313th nationally out of 639 solar plants.
The plant's balancing authority is the Arizona Public Service Company, and it operates within the Western Electricity Coordinating Council (WECC) NERC region. The plant has one generator. Its primary fuel source is solar energy.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Arizona Public Service Company (AZPS)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
No generation data available for this plant.
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2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $259.4M
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This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet 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.
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