McFarland C — Plant Summary
- EIA Plant ID
- 67498
- Capacity
- 185 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Yuma, AZ
- Operating Since
- 2025
- Generators
- 1
- Operator
- AES Clean Energy
- Parent Company
- —
- Annual Generation
- -11,961 MWh
- Capacity Factor
- -1.1%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
McFarland C
OperatingBESS
Ranked #32 of 55 BESS plants in AZ#208 of 837 nationally
185 MW BESS operating in Yuma, AZ — California Independent System Operator
EIA
185 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2025
Operating Since
Location
Coordinates
32.9460, -113.4916
County
Yuma, AZ
Nearby Plants
- Elisabeth SolarSolar350 MW · 1.0 km
- McFarland B Solar and StorageBESS450 MW · 1.9 km
- McFarland A Solar and StorageBESS300 MW · 3.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | AES Clean Energy | — | — |
| Owner(s) | AES Clean Energy | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
McFarland C is a battery energy storage system (BESS) located in Yuma County, Arizona. The plant has a total capacity of 185 MW and consists of a single generator. It began operating in 2025 and is owned and operated by AES Clean Energy. The BESS has a duration of 4 hours.
The plant's primary fuel source is listed as MWH, indicating it draws power from the grid to charge its batteries. McFarland C operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In terms of size, McFarland C ranks as the 38th largest power plant in Arizona out of 47, and 339th nationally out of 514.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
−1.6K MWh
Net Charging
-12.0K MWh
Annual Net Energy
-1.1%
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
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
HN_LNODER2A
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (2)Beta
Industry·corporate
Talen Energy makes major C-suite changes with new president, CFO, COO, others
Talen Energy promoted Terry Nutt to president and Cole Muller to CFO as part of a major leadership shuffle to align with its business...
Talen Energy (other)Terry Nutt (executive)
The Business Journals·3 months ago
Industry·other
1980s in Arizona: Politicians, scandals and nuclear power
A look at some of the top stories that made headlines in The Arizona Republic over the years.
The Arizona Republic (other)
The Arizona Republic·10 years ago
Last updated 2026-03-14
View all articles