Andover Energy Storage Project
Ormat Technologies, Inc.Sussex County
The Andover Energy Storage Project is a 20 MW / 20 MWh battery energy storage system located in Sussex County, New Jersey, providing ancillary services to PJM. The facility includes an 800 kVA transformer, 1000-amp and 1200-amp switchgear, BESS power conversion system (PCS) skids and enclosures, metering infrastructure, and associated electrical and communications equipment.
Mapped infrastructure geometry associated with this asset.
EIA plant 65952 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| AD1 | Batteries | Operating | 20 | 20 |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| AD1 | 20 MW 20 MW summer | Batteries Electricity used for energy storage · BA | Jun 2023 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Drag organizations to explore the network. Select a node to pin its details and available page link.
Project milestones and public references behind the asset profile.
Riggs Distler completed the turnkey civil, overhead-distribution, and electrical construction scope for the Andover BESS project, including site preparation, utility poles with fused cutouts, metering infrastructure, transformer, switchgear, BESS PCS skids and enclosures, site communications, grounding, and underground cabling. The project contractor reports that the site was operational by September 2022.
EIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator AD1 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Andover Energy Storage Project reports 20 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Andover Energy Storage Project is a batteries facility in Sussex County, NJ, participating in the PJM market.
Andover Energy Storage Project is in Sussex County, NJ, inside the PJM balancing area.
Andover Energy Storage Project is operated by VESI 25 LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Andover Energy Storage Project reported 40.2 GWh over the twelve months to 2024-12. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.
By capacity, Andover Energy Storage Project ranks #407 of 1,061 operating plants of the same technology nationally. It ranks #1 of 12 in NJ.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.