Bay State Wind 4 Offshore Wind
1,200 MW generation in MA · In queue since December 2019 · Proposed COD November 2033
1,200 MW
Capacity
1
Components
Offshore Wind
6y 7m
In Queue
IA Executed
IA Phase
Signed Aug 2024
Queue → IA
4y 8m
IA → COD
9y 3m
Total Duration
4y 8m
Interconnection request submitted to ISO/RTO
ISO-NE is transitioning to cluster studies per FERC Order 2023.
Typical: 25–30 months (recent)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 36–60 months
Proposed COD: 2033-11-04
Bay State Wind 4 Offshore Wind is a proposed 1200 MW offshore wind generation project located in Massachusetts. The project is listed in the ISO-NE interconnection queue as queue ID ISO-NE-944, with an interconnection queue entry date of December 18, 2019, and a proposed commercial operation date of November 4, 2033. The interconnection agreement (IA) for the project has been executed.
The proposed project is slated to connect to the National Grid Brayton Point 345kV point of interconnection. Bay State Wind 4 Offshore Wind has been the subject of recent news coverage, with 14 articles appearing in the press.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
MA
County
—
Grid Region
ISO New England
Market
ISO/RTO Member
Developer
—
Utility
—
Entity
ISO-NE
Service Type
ERIS
Point of Interconnection
National Grid Brayton Point 345kV
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- ISO-NE
- Trading Hub
- .H.INTERNAL_HUB
- Hub Confidence
- HIGH
- Nearest Node (Estimated)
- LD.HATHAWAY23
- POI Substation
- Brayton Point 115kV Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
Last updated 2026-03-31
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Data-driven briefing on Bay State Wind 4 Offshore Wind — fleet, generation, financial, and news signals.
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Data-driven briefing on Ma — fleet, generation, financial, and news signals.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
