Butler — Plant Summary
- EIA Plant ID
- 67042
- Capacity
- 10 MW
- Primary Fuel
- Battery Storage
- Technology
- Batteries
- Status
- Operating
- Location
- Cumberland, NC
- Operating Since
- 2024
- Generators
- 1
- Operator
- North Carolina El Member Corp
- Parent Company
- —
- Annual Generation
- -37 MWh
- Capacity Factor
- -0.0%
- Balancing Authority
- Duke Energy Progress East
- ISO/RTO
- —
- NERC Region
- SERC
Butler
OperatingBESS
Ranked #6 of 32 BESS plants in NC#548 of 837 nationally
10 MW BESS operating in Cumberland, NC — Duke Energy Progress East
EIA
10 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Location
Coordinates
34.8981, -78.8990
County
Cumberland, NC
Nearby Plants
- Panda Solar NC 11, LLCSolar2 MW · 1.9 km
- Panda Solar NC 10, LLCSolar2 MW · 2.0 km
- Panda Solar NC 9, LLCSolar2 MW · 2.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | North Carolina El Member Corp | — | — |
| Owner(s) | North Carolina El Member Corp | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
The Butler battery storage facility is located in Cumberland County, North Carolina. The plant, owned and operated by North Carolina Electric Membership Corporation, came online in 2024. It has a total capacity of 10 MW provided by a single generator utilizing battery storage technology. The facility's primary fuel source is electricity (MWH).
The Butler plant utilizes lithium-ion (LIB) batteries with a total storage capacity of 20 MWh and a duration of 2 hours. It operates within the Duke Energy Progress East balancing authority and the SERC NERC region. Butler is ranked as the 9th largest battery energy storage system (BESS) in North Carolina out of 36 such facilities, and 794th nationally out of 1205.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Duke Energy Progress East
Grid Voltage
13.2 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
Generation
−37 MWh
Net Charging
-37 MWh
Annual Net Energy
-0.0%
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
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Industry·earnings
NACCO Industries Q4 Earnings Call Highlights
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MarketBeat·1 weeks ago
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NACCO (NC) Q4 2025 Earnings Call Transcript
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NACCO (other)National Coal Council (other)
AOL.com·1 weeks ago
Industry·corporate
Data Mining: Area’s natural gas eyed as possible fuel for AI data centers
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The Rant·2 months ago
Industry·earnings
NACCO (NC) Q4 2025 Earnings Call Transcript
Image source: The Motley Fool. DATE. Thursday, March 5, 2026 at 8:30 a.m. ET. CALL PARTICIPANTS. President and Chief Executive Officer — J.C. Butler.
NACCO (other)J.C. Butler (executive)
AOL.com·2 months ago
Last updated 2026-03-14
View all 10 articles