AC to HVDC Tie (512)
AC to HVDC Tie is a 1,200.0 MW generation interconnection project in Middlesex, Massachusetts with a current status of withdrawn. It is proposed to connect at NB 345 kV Keswick or St. Andre substation to NGRID 345 kV Wakefield substation.
1,200.0 MWCapacity
WithdrawnStatus
BOSTMarket
GenerationTechnology
Project facts
| Canonical name | AC to HVDC Tie |
|---|---|
| Queue ID | 512 |
| Status | withdrawn |
| Source status | W |
| Market | BOST |
| Technology | Generation |
| Capacity | 1,200.0 MW |
| State | Massachusetts |
| County | Middlesex |
| Point of interconnection | NB 345 kV Keswick or St. Andre substation to NGRID 345 kV Wakefield substation |
| Requested (queue) date | 2015-02-16 |
| Proposed in-service date | 2019-03-31 |
| Operational date | — |
| Withdrawn date | 2015-04-17 |
| 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| 2026-08-04 | new_project | — | withdrawn | high |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 generated2026-08-28
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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