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50 MW BESS operating in Mohave, AZ
50 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Coordinates
35.0841, -114.0509
County
Mohave, AZ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kingman Energy Storage LLC | — | — |
| Owner(s) | Kingman Energy Storage LLC | — | — |
| Status | Operating | — | — |
Kingman Energy Storage is a 50 MW battery energy storage system located in Mohave County, Arizona. The plant, identified by the EIA plant code 68801, is owned and operated by Kingman Energy Storage LLC. It consists of a single generator utilizing battery technology and is fueled by electricity (MWH).
The plant operates within the Western Electricity Coordinating Council (WECC) NERC region and is under the balancing authority of the Western Area Power Administration - Desert Southwest Region. In terms of size, Kingman Energy Storage ranks as the 54th largest power plant in Arizona out of 68, and nationally it ranks 612th out of 1205.
Generated from EIA, GEM, and public data sources
Grid Region
Mountain West
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
Western Area Power Administration - Desert Southwest Region (WALC)
Grid Voltage
34.5 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.
0 MWh
Net Discharge
—
Annual Net Energy
—
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.
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2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $68.0M
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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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