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170 MW Batteries (85 MW) + Solar Photovoltaic (85 MW) under construction in Maricopa, AZ — Salt River Project
170 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
—
Operating Since
Coordinates
33.3812, -112.8216
County
Maricopa, AZ
Nearby Plants
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 | Under construction | 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
No generation data available for this plant.
2023
$1,544/kW
Est. Construction Cost
Total estimated cost: $262.5M
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-14
View all articlesNo ask pi reports yet for this entity.
ask pi about Sun PondSalt River Project (SRP)
Grid Voltage
525.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP