Mesquite Solar 4, LLC — Plant Summary
- EIA Plant ID
- 65962
- Capacity
- 62.5 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Maricopa, AZ
- Operating Since
- 2024
- Generators
- 2
- Operator
- Consolidated Edison Development Inc.
- Parent Company
- —
- Annual Generation
- 144,447 MWh
- Capacity Factor
- 26.4%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Mesquite Solar 4, LLC
OperatingBESSSolarHybrid
Ranked #35 of 104 Solar plants in AZ#1220 of 7447 nationally
62.5 MW Batteries (10 MW) + Solar Photovoltaic (53 MW) operating in Maricopa, AZ — California Independent System Operator
EIAGEM
62.5 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2024
Operating Since
Location
Coordinates
33.3265, -112.9190
County
Maricopa, AZ
Nearby Plants
- Mesquite Solar 5, LLCBESS120 MW · 0.2 km
- Mesquite Solar 2, LLCSolar100 MW · 0.8 km
- Mesquite Solar 1Solar170 MW · 1.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Consolidated Edison Development Inc. | Consolidated Edison Development Inc. | — |
| Owner(s) | Consolidated Edison Development Inc. | Consolidated Edison Development Inc. | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Consolidated Edison Development Inc.
This entity is not yet in the GEM ownership database — chain unavailable.
About
Mesquite Solar 4, LLC is a hybrid solar and battery energy storage system (BESS) located in Maricopa County, Arizona. The plant, which began operating in 2024, has a total capacity of 62.5 MW and consists of two generators. The primary fuel source is listed as MWH, indicating solar photovoltaic generation. The facility is owned and operated by Consolidated Edison Development Inc. and utilizes single-axis solar tracking. The BESS component has a storage capacity of 47.7 MWh, providing 4.77 hours of duration and employing lithium-ion battery (LIB) chemistry.
The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In its first year of operation, Mesquite Solar 4 generated 144,447 MWh, resulting in a capacity factor of 26.4%. Mesquite Solar 4 is ranked as the 53rd largest solar facility in Arizona out of 68, and 573rd nationally out of 1205. Financial data is available for the plant, sourced from Lawrence Berkeley National Laboratory (LBNL) solar data.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
7.4K MWh
Latest Month
144.4K MWh
Annual Generation
26.4%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$42.3/MWh
LCOE (Levelized Cost)
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
MESQSLR2_7_N002
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (5)Beta
Industry·capacity addition
RWE completes three U.S. battery storage projects in Texas and Arizona totaling 190 megawatts
The three BESS projects – Bright Arrow, Big Star and Mesquite 4 – bring RWE's total battery storage capacity in the US to about 512 MW.
RWE (developer)
RWE·2 years ago
Industry·capacity addition
RWE Boosts Battery Storage with Three New Projects
German energy giant RWE has added three large battery energy storage (BESS) projects to the company's US portfolio.
RWE (developer)
POWER Magazine·2 years ago
Deals·m and a
Sempra Energy Completes Sale Of U.S. Solar Assets To Consolidated Edison
SAN DIEGO, Dec. 13, 2018 /PRNewswire/ -- Sempra Energy (NYSE: SRE) today announced that it has completed the sale of its U.S. operating...
Sempra Energy (seller)Consolidated Edison (buyer)
Sempra·7 years ago
Industry·ppa
Navy Signs Agreement for Largest Purchase of Renewable Energy by Federal Entity
The Department of the Navy (DON), Western Area Power Administration (Western), and Sempra U.S. Gas & Power hosted a ceremony Aug.
Department of the Navy (buyer)Western Area Power Administration (other)
www.navy.mil·10 years ago
Last updated 2026-03-14
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