Combined Cycle (548)

Combined Cycle is a 870.0 MW gas interconnection project in Plymouth, Massachusetts with a current status of withdrawn. It is proposed to connect at interconnection between Carver and Tremont substations (NSTAR 115kV Lines 127/128 and 134): ALT connection 345kV Carver substation.

870.0 MWCapacity
WithdrawnStatus
SEMAMarket
GasTechnology

Project facts

Canonical nameCombined Cycle
Queue ID548
Statuswithdrawn
Source statusW
MarketSEMA
TechnologyGas
Capacity870.0 MW
StateMassachusetts
CountyPlymouth
Point of interconnectioninterconnection between Carver and Tremont substations (NSTAR 115kV Lines 127/128 and 134): ALT connection 345kV Carver substation
Requested (queue) date2015-05-28
Proposed in-service date2020-05-01
Operational date
Withdrawn date2016-05-19
Developer
Utility / transmission ownerISO-NE

Cross-source records

This project is also observed in: Lawrence Berkeley National Laboratory — Queued Up interconnection dataset. interXdata links these source records without double-counting the project.

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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