Kingman Energy Storage

OperatingBESS

Ranked #46 of 58 BESS plants in AZ#452 of 963 nationally

50 MW BESS operating in Mohave, AZ — Western Area Power Administration - Desert Southwest Region

EIA

50 MW

Nameplate Capacity

Generators

unit

Batteries

Technology

2025

Operating Since

Location

Coordinates

35.0841, -114.0509

County

Mohave, AZ

Nearby Plants

Kingman 1
Solar10.5 MW · 6.8 km
Griffith Energy LLC
Natural Gas655 MW · 8.2 km
PPS Power Plant No 1
Natural Gas120 MW · 11.3 km

Status

Latest milestonecommercial operation · 2025-10-16Energy-Storage.News · 2025-10-21

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Kingman Energy Storage LLC	—	—
Owner(s)	Kingman Energy Storage LLC	—	—
Status	Operating	—	—

Ownership Chain

No GEM tracker match for this plant — ownership chain unavailable.

DeveloperAmeresco±pv magazine USA · 2025-10-21

ApplicantUniSource Energy Services12News · 2024-04-27

About

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

EIA Plant Profile

Engineering & Generators

Grid Context

Grid Region

Mountain West

Market

WEIM Participant

NERC Region

WECC — Western Electricity Coordinating Council

Balancing Authority

Regulatory

AgencyArizona Power Plant and Transmission Line Siting Committee12News · 2024-04-27

Latest rulingDenial12News · 2024-04-27

ApplicantUniSource Energy Services12News · 2024-04-27

Generation

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.

Financial Data

EIA Avg CostEIA Construction Cost AveragesMEDIUM

2023

Construction CostOperating CostPricing & Revenue

$1,361/kW

Est. Construction Cost

Total estimated cost: $68.0M

Technology Average·Based on EIA averages — not plant-specific financial reports

Pricing & Market Data

This plant's balancing authority participates in CAISO's Western Energy Imbalance Market (WEIM). Direct nodal pricing data is not yet available.

News & Articles (4)Beta