1200 MW (+/- 400 kV) HVDC External ETU (1381)
1200 MW (+/- 400 kV) HVDC External ETU is a 1,200.0 MW generation interconnection project in Grafton, New Hampshire with a current status of withdrawn.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 In New Hampshire, the point of interconnection is near the old Monroe yard (AC capacitors and reactors and Phase II filters presently reside in this yard). The project will tie into the currently existing Comerford 230 kV substation. The northern section of the project will connect with the Hydro-Quebec system at the US-Canada border near Canaan, Vermont..
Project facts
| Canonical name | 1200 MW (+/- 400 kV) HVDC External ETU |
|---|---|
| Queue ID | 1381 |
| Status | withdrawn |
| Source status | W |
| Market | NH |
| Technology | Generation |
| Capacity | 1,200.0 MW |
| State | New Hampshire |
| County | Grafton |
| Point of interconnection | In New Hampshire, the point of interconnection is near the old Monroe yard (AC capacitors and reactors and Phase II filters presently reside in this yard). The project will tie into the currently existing Comerford 230 kV substation. The northern section of the project will connect with the Hydro-Quebec system at the US-Canada border near Canaan, Vermont. |
| Requested (queue) date | 2023-04-11 |
| Proposed in-service date | 2029-07-01 |
| Operational date | — |
| Withdrawn date | 2025-03-26 |
| 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| 2026-08-04 | new_project | — | withdrawn | high |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
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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