120 MW Batteries (60 MW) + Solar Photovoltaic (60 MW) operating in Maricopa, AZ — Arizona Public Service Company
120 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2023
Operating Since
Coordinates
33.3252, -112.9180
County
Maricopa, AZ
Nearby Plants
| 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 | — |
GEM identifies the owner as Consolidated Edison Development Inc.
This entity is not yet in the GEM ownership database — chain unavailable.
Mesquite Solar 5, LLC is a hybrid solar and battery energy storage system (BESS) located in Maricopa County, Arizona. The plant has a total capacity of 120 MW and began operating in 2023. It is owned and operated by Consolidated Edison Development Inc. The facility utilizes both solar photovoltaic technology and batteries, with two generators on site. The battery energy storage system has a capacity of 240 MWh, providing 4 hours of duration, and uses lithium-ion battery chemistry (LIB).
The plant's primary fuel source is listed as MWH, indicating it draws power from the grid to charge the batteries in addition to solar generation. In its most recent year of operation, Mesquite Solar 5 generated 134,396 MWh, resulting in a capacity factor of 12.7%. The solar array uses a fixed tilt tracking system. The plant operates within the Arizona Public Service Company balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Mesquite Solar 5, LLC is ranked as the 45th largest plant out of 47 in Arizona, and 442nd out of 514 nationally. The plant has a reported power purchase agreement (PPA) price of $25.53 per MWh.
Generated from EIA, GEM, and public data sources
NERC Region
WECC
Balancing Authority
Arizona Public Service Company
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
7.4K MWh
Net Discharge
134.4K MWh
Annual Net Energy
12.7%
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.
$44.4/MWh
LCOE (Levelized Cost)
$25.5/MWh
PPA Price
$9.3/MWh
Energy Value
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.