Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
750 MW Batteries (260 MW) + Solar Photovoltaic (490 MW) operating in Maricopa, AZ
750 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
33.2488, -112.5424
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.
See the full risk decomposition + scenarios for this asset.
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 | Sonoran Solar Energy, LLC | NextEra Energy Inc | — |
| Owner(s) | Sonoran Solar Energy, LLC | NextEra Energy | — |
| Status | Operating | operating | — |
Sonoran Solar Energy is a 750 MW hybrid power plant located in Maricopa County, Arizona. The facility, which began operating in 2023, combines solar photovoltaic generation with battery energy storage. It is owned by NextEra Energy and operated by Sonoran Solar Energy, LLC. The plant utilizes single-axis tracking for its solar panels. The battery energy storage system (BESS) has a capacity of 1040 MWh and a duration of 4 hours, employing lithium-ion battery chemistry (LIB).
The plant's latest annual generation was 1,077,137 MWh, resulting in a capacity factor of 16.4%. Sonoran Solar Energy operates within the Salt River Project balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. The plant ranks as the 7th largest in Arizona out of 47 facilities and 31st nationally out of 514. Financial data indicates a power purchase agreement (PPA) price of $18.31 per MWh.
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
500.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Historic generation and capacity factor for this asset — the foundation for forward forecasts on the InfraSure platform.
56.0K MWh
Latest Month
1.1M MWh
Annual Generation
16.4%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this asset.
Historic financial signal for this asset — PPA, LCOE, market value where reported. The base for forward bankability and insurance analytics on the InfraSure platform.
Sonoran Solar Energy, LLC · Data from 2023–2025
$14.4/MWh
PPA Price
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this asset.
This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.
Last updated 2026-03-26
View all articlesTop solar plant owners in the US
Data tables and metrics from the InfraSure database.
Top solar plant owners in the US
Data tables and metrics from the InfraSure database.
NextEra vs Duke
Comparative analysis covering fleet scale, performance trends, and growth pipeline.
Top 10 solar states
Data tables and metrics from the InfraSure database.
Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.