Onshore Wind TurbineNYISO · Chautauqua Countyplant:plant-61673

Arkwright Summit Wind Farm LLC

Arkwright Summit Wind Farm LLC - Chautauqua County - NYISO

Arkwright Summit Wind Farm is a 78.4 MW onshore wind project in Chautauqua County, New York, comprising 36 Vestas V110 wind turbines (32 units at 2.2 MW and 4 units at 2.0 MW) located in the Town of Arkwright and interconnected to the grid in the Town of Pomfret. The project was originally developed as New Grange Wind Farm before being renamed.

Overview

Key fields

Nameplate capacity
78.4 MW

Canonical EIA plant baseline.

Registry anchor
Plant 61673

plant-61673

Structured profile

Technology
Onshore Wind Turbine
Operator
Arkwright Summit Wind Farm LLC

Units and generators

Operating generator records and technology attributes reported through EIA-860.

GeneratorCapacityTechnologyOperationStatus
WT78.4 MW
78.4 MW summer
Onshore Wind Turbine
Wind · WT
Aug 2018Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity
78.4 MW
Onshore Wind Turbine
National rank
#773
of 1,362 operating peers
NY rank
#20
of 32 operating peers

Monthly generation

Download CSV
Latest 12 months
242.9 GWh
Reported net generation
Latest report
Apr 2026
EIA-923 monthly filing
2025 capacity factor
38.2%
Using current reported nameplate capacity
May 2023: 13.7 GWh2023-05Jun 2023: 12.1 GWhJul 2023: 10.1 GWhAug 2023: 13.2 GWhSep 2023: 11.1 GWhOct 2023: 20.5 GWhNov 2023: 26.3 GWh2023-11Dec 2023: 24.2 GWhJan 2024: 23.5 GWhFeb 2024: 21.6 GWhMar 2024: 25 GWhApr 2024: 22.1 GWhMay 2024: 14.5 GWh2024-05Jun 2024: 16.2 GWhJul 2024: 9.6 GWhAug 2024: 11.7 GWhSep 2024: 13.8 GWhOct 2024: 17.9 GWhNov 2024: 26.1 GWh2024-11Dec 2024: 27.9 GWhJan 2025: 33.1 GWhFeb 2025: 24 GWhMar 2025: 32.3 GWhApr 2025: 21.1 GWhMay 2025: 21.2 GWh2025-05Jun 2025: 17.4 GWhJul 2025: 10.6 GWhAug 2025: 12.1 GWhSep 2025: 10.9 GWhOct 2025: 20.5 GWhNov 2025: 28.3 GWh2025-11Dec 2025: 30.8 GWhJan 2026: 31.4 GWhFeb 2026: 16.2 GWhMar 2026: 22.2 GWhApr 2026: 21.3 GWh2026-04

Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory
IN SERVICE · 115 kV
7.6 km
IN SERVICE · 115 kV
8.1 km
IN SERVICE · 115 kV
8.1 km
IN SERVICE · 115 kV
8.9 km
IN SERVICE · 115 kV
8.9 km

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Project Development
Oct 2008
Project was proposed in the Towns of Arkwright and Pomfret as a 44-turbine, up-to-79.2 MW wind farm.
edp.com
Interconnection Agreement
Aug 10, 2017
The NYISO/Niagara Mohawk interconnection service agreement (LGIA 2356) became effective. Arkwright Summit posted $15.3016 million in security for attachment facilities and allocated system-upgrade costs.
Arkwright Summit Wind Farm LLC · NYISO · Niagara Mohawk Power Corporation
nyisoviewer.etariff.biz
Construction
Jul 2017
Contemporaneous 2017 reports described the project as under construction and expected to become operational in 2018. The official project study estimated a construction phase of approximately nine months.
chqdaily.com
Operating Period
2024
Owner's fact sheet reports cumulative project impact through 2024: more than $31 million total economic impact, $13.4 million paid to landowners, $4.2 million to local governments, and $13.7 million in local spending.
edp.com

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetProject companyOwner / operatorMarket / regulatorOrganizationEquipment

Parties and identifiers

RelationshipEntityBasis
Owner / operatorArkwright Summit Wind Farm LLCProject company and legal owner; FERC market-based-rate applicant
Owner / operator / developerEDP Renewables North America LLCParent company and asset manager; develops, constructs, owns, and operates the project
Interconnection counterparty / balancing authority / market operatorNew York Independent System OperatorInterconnection operator and market operator
Interconnection counterparty / transmission ownerNiagara Mohawk Power Corporation d/b/a National GridConnecting transmission owner
Equipment supplierVestasWind turbine manufacturer and original equipment supplier
Former ownerHorizon Wind Energy, LLCPrior corporate sponsor and developer
Former ownerGoldman SachsSeller of Horizon Wind Energy
Grid selectionplant:plant-61673Canonical asset page /nyiso/assets/plant/arkwright-summit-wind-farm-llc.

Reporting portfolio

EIA reporting entity
Arkwright Summit Wind Farm LLC
Entity 58261
Operating portfolio
1 plants
1 states
Reported capacity
78.4 MW
Onshore Wind Turbine

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

  1. Initial Development Proposaledp.com

    Project was proposed in the Towns of Arkwright and Pomfret as a 44-turbine, up-to-79.2 MW wind farm.

  2. Construction Phasechqdaily.com

    Contemporaneous 2017 reports described the project as under construction and expected to become operational in 2018. The official project study estimated a construction phase of approximately nine months.

  3. NYISO interconnection agreement effectivenyisoviewer...

    The NYISO/Niagara Mohawk interconnection service agreement (LGIA 2356) became effective. Arkwright Summit posted $15.3016 million in security for attachment facilities and allocated system-upgrade costs.

  4. Generator enters operationEIA-860

    EIA-860 lists generator WT with this operating date.

  5. Operating economic impact through 2024edp.com

    Owner's fact sheet reports cumulative project impact through 2024: more than $31 million total economic impact, $13.4 million paid to landowners, $4.2 million to local governments, and $13.7 million in local spending.

Common questions about Arkwright Summit Wind Farm LLC

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Arkwright Summit Wind Farm LLC?

Arkwright Summit Wind Farm LLC has a reported capacity of 78.4 MW. Source: EIA Form 860M.

What kind of plant is Arkwright Summit Wind Farm LLC?

Arkwright Summit Wind Farm LLC is a Onshore Wind Turbine facility in Chautauqua County, NY, participating in the NYISO market.

Where is Arkwright Summit Wind Farm LLC located?

Arkwright Summit Wind Farm LLC is in Chautauqua County, NY, inside the NYISO balancing area.

Who operates Arkwright Summit Wind Farm LLC?

Arkwright Summit Wind Farm LLC is operated by Arkwright Summit Wind Farm LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Arkwright Summit Wind Farm LLC generate?

Arkwright Summit Wind Farm LLC reported 242.9 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does Arkwright Summit Wind Farm LLC compare to other plants?

By capacity, Arkwright Summit Wind Farm LLC ranks #773 of 1,362 operating plants of the same technology nationally. It ranks #20 of 32 in NY.

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