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170 MW Batteries (85 MW) + Solar Photovoltaic (85 MW) operating in Maricopa, AZ
170 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2026
Operating Since
Coordinates
33.3812, -112.8216
County
Maricopa, AZ
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
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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 | Sun Pond, LLC | Longroad Energy | — |
| Owner(s) | Sun Pond, LLC | Longroad Energy | — |
| Status | Operating | construction | — |
GEM identifies the owner as Longroad Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Sun Pond is a 170 MW hybrid power plant located in Maricopa County, Arizona. The facility combines solar photovoltaic generation with battery storage. It is owned and operated by Sun Pond, LLC. The plant consists of two generators utilizing both solar and battery technologies, with the solar array employing a fixed-tilt tracking system. Sun Pond is ranked as the 40th largest power plant in Arizona out of 47, and 354th nationally out of 514 plants.
The plant's primary fuel source is electricity (MWH), reflecting its reliance on solar energy and battery storage. Sun Pond operates within the Salt River Project balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Recent news coverage indicates 6 articles related to deals concerning the plant.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Salt River Project (SRP)
Grid Voltage
525.0 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
$1,544/kW
Est. Construction Cost
Total estimated cost: $262.5M
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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.
Last updated 2026-03-26
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