Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
383.8 MW Batteries (214 MW) + Solar Photovoltaic (170 MW) operating in Pima, AZ
383.8 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2025
Operating Since
Coordinates
32.5024, -111.3037
County
Pima, 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.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Serrano Solar, LLC | — | — |
| Owner(s) | Serrano Solar, LLC | — | — |
| Status | Operating | operating | — |
The Serrano plant, located in Pima County, Arizona, is a hybrid solar and battery energy storage system (BESS) facility with a total capacity of 383.8 MW. The plant began operating in 2025 and is owned and operated by Serrano Solar, LLC. It utilizes both solar photovoltaic technology and batteries, with the BESS having a duration of 4 hours. The solar component employs a fixed tilt tracking system. Serrano is ranked as the 22nd largest plant in Arizona out of 47, and 106th nationally out of 514.
The plant's primary fuel source is listed as MWH. In its latest year of operation, Serrano generated 324,722 MWh, achieving a capacity factor of 12.8%. The plant operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates that Serrano has a power purchase agreement (PPA) price of $20 per MWh, as reported in FERC EQRs.
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
Historic generation and capacity factor for this asset — the foundation for forward forecasts on the InfraSure platform.
19.7K MWh
Net Discharge
324.7K MWh
Annual Net Energy
12.8%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
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.
Serrano Solar, LLC · Data from 2025
$20.0/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 6 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.
Top 10 solar states
Data tables and metrics from the InfraSure database.
Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.