Ironwood Solar — Plant Summary
- EIA Plant ID
- 68397
- Capacity
- 168 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Under construction
- Location
- Yuma, AZ
- Operating Since
- —
- Generators
- 1
- Operator
- Arizona Public Service Co
- Parent Company
- Pinnacle West Capital
- Balancing Authority
- Arizona Public Service Company
- ISO/RTO
- —
- NERC Region
- WECC
Ironwood Solar
Under constructionSolarGEM: construction
Ranked #15 of 104 Solar plants in AZ#442 of 7447 nationally
168 MW Solar under construction in Yuma, AZ — Arizona Public Service Company
EIAGEM
168 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Location
Coordinates
32.9156, -113.5778
County
Yuma, AZ
Nearby Plants
- McFarland CBESS185 MW · 8.7 km
- Elisabeth SolarSolar350 MW · 8.8 km
- Agua Caliente Solar ProjectSolar347.7 MW · 10.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arizona Public Service Co | Arizona Public Service Co | — |
| Owner(s) | Arizona Public Service Co | Pinnacle West Capital | — |
| Status | Under construction | construction | — |
Ownership Chain
About
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
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
No generation data available for this plant.
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (4)Beta
Industry·earnings
Pinnacle West Capital Q4 Earnings Call Highlights
Pinnacle West Capital (NYSE:PNW) reported fourth-quarter and full-year 2025 results highlighting record demand, continued customer and load...
Pinnacle West Capital (operator)
MarketBeat·3 weeks ago
General
Pinnacle West (PNW) Q4 2025 Earnings Transcript
Detailed price information for Pinnacle West Capital Corp (PNW-N) from The Globe and Mail including charting and trades.
The Globe and Mail·4 weeks ago
Industry·earnings
Pinnacle West Reports 2024 Full-Year and Fourth-Quarter Results
Pinnacle West Capital reports strong year-end results with year-over-year retail customer growth increasing a robust 2.1%.
Pinnacle West Capital (operator)
Business Wire·1 years ago
Industry·corporate
ADDING and REPLACING APS Secures Its Largest-Ever Energy Supply to Reliably Serve Customers
Arizona Public Service has signed agreements to add its largest-ever energy supply and launches its 2024 All Source Request for Proposals.
Arizona Public Service (operator)
Business Wire·1 years ago
Last updated 2026-03-26
View all articles