Search
Search plants, projects, owners, and states
Search plants, projects, owners, and states
304.9 MW Batteries (1 MW) + Natural Gas Fired Combined Cycle (246 MW) + Natural Gas Fired Combustion Turbine (58 MW) + Solar Photovoltaic (1 MW) operating in Cumberland, NC — Duke Energy Progress East
304.9 MW
Nameplate Capacity
11
Generators
units
Hybrid (4)
Technology
Batteries + Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine + Solar Photovoltaic
1976
Operating Since
Coordinates
35.0984, -78.8300
County
Cumberland, NC
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Fayetteville Public Works Commission | Fayetteville Public Works Commission | — |
| Owner(s) | Fayetteville Public Works Commission | Fayetteville Public Works Commission | — |
| Status | Operating | operating | — |
The Butler-Warner Generation Plant is a hybrid power plant located in Cumberland County, North Carolina. It is owned and operated by the Fayetteville Public Works Commission. The plant has a total capacity of 304.9 MW and began operating in 1976. It utilizes a mix of technologies, including natural gas-fired combined cycle, natural gas-fired combustion turbine, solar photovoltaic, and battery energy storage. The battery energy storage system (BESS) has a capacity of 0.5 MWh and a duration of 1 hour, using lithium-ion battery (LIB) chemistry. The solar photovoltaic array uses a fixed tilt tracking system.
The plant's primary fuel source is natural gas. In the most recent year of data, the Butler-Warner Generation Plant generated 112,819 MWh of electricity, resulting in a capacity factor of 4.2%. The plant operates within the Duke Energy Progress East balancing authority and the SERC NERC region. It is ranked as the 16th largest power plant in North Carolina and 638th nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Duke Energy Progress East (CPLE)
Grid Voltage
66.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
5.7K MWh
Latest Month
112.8K MWh
Annual Generation
4.2%
Capacity Factor
CO₂ Intensity
0 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
5 lb/MWh
SO₂
0.011 lb/MWh
CH₄
0.035 lb/MWh
N₂O
0.004 lb/MWh
Capacity Factor
0.7%
Annual Net Gen
19 GWh
CO₂eq
2 lb/MWh
Subregion
SERC Virginia/Carolina
Data from 2020–2024
$20.4/MWh
Energy Value
$6.2/MWh
Capacity Value
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-26
View all articles