Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
75 MW BESS operating in Maricopa, AZ
75 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
33.4096, -112.4116
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.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Pluto Energy Storage, LLC | — | — |
| Owner(s) | Pluto Energy Storage, LLC | — | — |
| Status | Operating | — | — |
Pluto Energy Storage is a 75 MW battery energy storage system (BESS) located in Maricopa County, Arizona. The facility, which began operating in 2025, is owned and operated by Pluto Energy Storage, LLC. It consists of a single generator utilizing battery technology with a duration of 4 hours. The plant's primary fuel is listed as MWH, indicating it draws power from the grid to charge its batteries. Pluto Energy Storage ranks as the 51st largest power plant in Arizona out of 68, and 552nd nationally out of 1205 facilities.
The facility operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates a power purchase agreement (PPA) price of $13.96 per MWh, as reported in FERC Electric Quarterly Reports (EQR).
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
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
−1.4K MWh
Net Charging
-12.2K MWh
Annual Net Energy
-3.7%
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.
Pluto Energy Storage, LLC · Data from 2025
$14.0/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.
1 buyer • 2 active contracts
Last updated 2026-03-26
View all articlesNo Ask reports yet for this entity.
Ask about Pluto Energy StorageForward forecasts, scenario decomposition, and risk-decision tooling for this asset.