400 kV HVDC Tie - Import Only (627)

400 kV HVDC Tie - Import Only is a 1,200.0 MW generation interconnection project in Grafton, New Hampshire with a current status of withdrawn. It is proposed to connect at GRID 230 kV Comerford Substation.

1,200.0 MWCapacity
WithdrawnStatus
NHMarket
GenerationTechnology

Project facts

Canonical name400 kV HVDC Tie - Import Only
Queue ID627
Statuswithdrawn
Source statusW
MarketNH
TechnologyGeneration
Capacity1,200.0 MW
StateNew Hampshire
CountyGrafton
Point of interconnectionGRID 230 kV Comerford Substation
Requested (queue) date2016-12-27
Proposed in-service date2022-12-31
Operational date
Withdrawn date2019-07-16
Developer
Utility / transmission ownerISO-NE

What changed

ObservedFieldOld valueNew valueMateriality
2026-08-04new_projectwithdrawnhigh

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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