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500 MW Batteries (250 MW) + Solar Photovoltaic (250 MW) planned in Pinal, AZ
500 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
Planned: —
Planned Operation
Coordinates
32.7280, -111.6290
County
Pinal, AZ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | EDF Renewables Development, Inc. | EDF Renewables | — |
| Owner(s) | EDF Renewables Development, Inc. | EDF Renewables | — |
| Status | Planned | pre-construction | — |
GEM identifies the owner as EDF Renewables
This entity is not yet in the GEM ownership database — chain unavailable.
Sawtooth Solar is a 500 MW hybrid power plant located in Pinal County, Arizona. The plant, ranked 16th of 47 in the state and 62nd of 514 nationally, is operated by EDF Renewables Development, Inc. It utilizes both solar photovoltaic technology and batteries, with two generators on site. The primary fuel source is listed as MWH, indicating that the plant draws power from the grid to charge its batteries, in addition to solar generation.
The plant operates within the Arizona Public Service Company balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Sawtooth Solar employs a fixed tilt solar tracking system. As of the latest available information, there have been five news articles published about the plant, with four focused on industry news and one on deals.
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
230.0 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
$1,361/kW
Est. Construction Cost
Total estimated cost: $680.5M
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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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