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6.3 MW Batteries (4 MW) + Solar Photovoltaic (2 MW) operating in Madison, NC
6.3 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2022
Operating Since
Coordinates
35.8862, -82.8255
County
Madison, NC
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Progress - (NC) | Duke Energy Progress | — |
| Owner(s) | Duke Energy Progress - (NC) | Duke Energy | — |
| Status | Operating | operating | — |
The Hot Springs Energy Storage & Microgrid is a hybrid power plant located in Madison County, North Carolina. Owned and operated by Duke Energy Progress - (NC), the facility came online in 2022. It has a total capacity of 6.3 MW derived from two generators utilizing both solar photovoltaic and battery storage technologies. The plant's primary fuel is listed as MWH, reflecting its energy storage capabilities. The battery energy storage system (BESS) has a storage capacity of 4.4 MWh and a duration of 1 hour, employing lithium-ion battery chemistry (LIB).
The plant operates within the Duke Energy Progress West balancing authority and the SERC NERC region. In its latest year of operation, the Hot Springs Energy Storage & Microgrid generated 2,475 MWh, achieving a capacity factor of 4.5%. The solar photovoltaic component uses a fixed tilt tracking system. In terms of size, the plant ranks 12th out of 36 power plants in North Carolina and 927th out of 1205 nationally.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
Bilateral Market
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Duke Energy Progress West (CPLW)
Grid Voltage
22.86 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
115 MWh
Net Discharge
2.5K MWh
Annual Net Energy
4.5%
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.
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2022
$1,205/kW
Est. Construction Cost
Total estimated cost: $7.6M
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This plant is in a bilateral market territory without organized wholesale pricing. Nodal pricing data is not available.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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