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20 MW BESS operating in Sussex, NJ
20 MW
Nameplate Capacity
1
Generators
unit
Batteries
Technology
2023
Operating Since
Coordinates
40.9808, -74.7609
County
Sussex, NJ
Nearby Plants
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Request a demo →| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | VESI 25 LLC | — | — |
| Owner(s) | VESI 25 LLC | — | — |
| Status | Operating | — | — |
The Andover Energy Storage Project is a 20 MW battery energy storage system (BESS) located in Sussex County, New Jersey. The plant, which began operating in 2023, is owned and operated by VESI 25 LLC. It utilizes lithium-ion battery chemistry (LIB) and has a total storage capacity of 20 MWh, providing a duration of 1 hour at full output. The facility consists of a single generator and is interconnected within the PJM Interconnection, LLC balancing authority, falling within the RFC NERC region.
The Andover Energy Storage Project is ranked as the 3rd largest of 10 energy storage facilities in New Jersey, and 688th nationally out of 1205 similar plants. The plant's primary fuel is listed as "MWH," indicating that it draws power from the grid to charge its batteries.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
−376 MWh
Net Charging
-4.5K MWh
Annual Net Energy
-2.6%
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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Request a demo →2023
$1,361/kW
Est. Construction Cost
Total estimated cost: $27.2M
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Request a demo →Point of Interconnection
Nearest Substation
Andover Substation · 35 kV
Substation Distance
< 10 km
Operator
Jersey Central Power and Light
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
—
Pricing Hub
WESTERN HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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