Block Island Wind Farm is a 30 MW offshore wind turbine plant in Washington County. The plant is recognized as the first commercial offshore wind farm in the United States, located a few miles off Block Island in the Atlantic Ocean. Its output is sold under a long-term power purchase agreement whose price starts at $244 per megawatt-hour and escalates 3.5% annually.
Canonical EIA plant baseline.
plant-58035
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| BIWF | 30 MW 29.3 MW summer | Offshore Wind Turbine Wind · WS | Dec 2016 | 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.
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Project milestones and public references behind the asset profile.
Rhode Island signed a Joint Development Agreement with Deepwater Wind, signaling the company was the state's preferred developer for offshore wind farms.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Construction began with the installation of the first of five 400-ton steel foundation jackets for the turbines.
EIA-860 lists generator BIWF with this operating date.
Ørsted announced an agreement with the D.E. Shaw Group to acquire 100% equity interest in Rhode Island-based Deepwater Wind at a purchase price of USD 510 million.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Block Island Wind Farm has a reported capacity of 30 MW. Source: EIA Form 860M.
Block Island Wind Farm is a Offshore Wind Turbine facility in Washington County, RI, participating in the ISO-NE market.
Block Island Wind Farm is in Washington County, RI, inside the ISO-NE balancing area.
Block Island Wind Farm is operated by Deepwater Wind Block Island LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Block Island Wind Farm reported 81.4 GWh over the twelve months to 2026-06. Figures are net generation as filed to EIA-923.
By capacity, Block Island Wind Farm ranks #2 of 3 operating plants of the same technology nationally. It ranks #1 of 1 in RI.
