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2.5 MW BESS operating in Cumberland, NC — Duke Energy Progress East
2.5 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2024
Operating Since
Coordinates
35.2049, -78.8903
County
Cumberland, NC
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | North Carolina El Member Corp | — | — |
| Owner(s) | North Carolina El Member Corp | — | — |
| Status | Operating | — | — |
Collier BESS is a 2.5 MW battery energy storage system located in Cumberland County, North Carolina. The plant began operating in 2024 and is owned and operated by North Carolina Electric Membership Corporation. It is interconnected to the Duke Energy Progress East balancing authority within the SERC NERC region. The facility utilizes lithium-ion batteries (LIB) and has a total storage capacity of 5 MWh, providing a duration of 2 hours at its full power output.
Collier BESS is ranked as the 30th largest power plant in North Carolina out of 36 total plants in the state. Nationally, it is ranked 1087 out of 1205 plants. The plant consists of a single generator and its primary fuel is electricity (MWH), indicating that it charges from the grid.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
−14 MWh
Net Charging
-229 MWh
Annual Net Energy
-1.0%
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.
2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $3.4M
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
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ask pi about Collier BESSDuke Energy Progress East (CPLE)
Grid Voltage
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility