HVDC from S. Maine to Mystic - bidirectional flow (517)
HVDC from S. Maine to Mystic - bidirectional flow is a 1,000.0 MW generation interconnection project in Middlesex, Massachusetts with a current status of withdrawn. It is proposed to connect at CMP 345 kV ME Yankee substation to NSTAR 345 kV Mystic substation.
1,000.0 MWCapacity
WithdrawnStatus
BOSTMarket
GenerationTechnology
Project facts
| Canonical name | HVDC from S. Maine to Mystic - bidirectional flow |
|---|---|
| Queue ID | 517 |
| Status | withdrawn |
| Source status | W |
| Market | BOST |
| Technology | Generation |
| Capacity | 1,000.0 MW |
| State | Massachusetts |
| County | Middlesex |
| Point of interconnection | CMP 345 kV ME Yankee substation to NSTAR 345 kV Mystic substation |
| Requested (queue) date | 2015-02-16 |
| Proposed in-service date | 2018-12-31 |
| Operational date | — |
| Withdrawn date | 2015-07-09 |
| Developer | — |
| Utility / transmission owner | ISO-NE |
What changed
| Observed | Field | Old value | New value | Materiality |
|---|---|---|---|---|
| 2026-08-04 | new_project | — | withdrawn | high |
Explore related data
Source last checked2026-08-04
Data last materially changed2026-08-04
Page data generated2026-08-27
Provenance: isone-irtt. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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