Substation-Adjacent Datacenter Sites in Connecticut
Connecticut has 171 substation-adjacent datacenter candidate sites. Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
171
Substation-Adjacent sites
64.6/100
Avg score (top 25)
Connecticut
State
Substation-Adjacent
Type
Top substation-adjacent sites in Connecticut
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| BRIDGEPORT RESCO | Substation-Adjacent | Greater Bridgeport Planning Region | 345 kV | 600 MW | 3.9 yrs | 70.3 |
| NEW HAVEN HARBOR | Substation-Adjacent | South Central Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 66.5 |
| UNKNOWN135915 | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 66.2 |
| FROST BRIDGE | Substation-Adjacent | Naugatuck Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 66.2 |
| TAP136499 | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.9 yrs | 66.1 |
| MONTVILLE | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 66.0 |
| MANCHESTER | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.9 |
| PLUMTREE | Substation-Adjacent | Western Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.8 |
| NO. WALL | Substation-Adjacent | Lower Connecticut River Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.8 |
| NORTH BLOOMFIELD | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.6 |
| BARBOUR HILL | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.5 |
| SOUTHINGTON | Substation-Adjacent | Naugatuck Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.4 |
| KLEEN | Substation-Adjacent | Lower Connecticut River Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 65.2 |
| SCOVILL ROCK | Substation-Adjacent | Lower Connecticut River Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 64.8 |
| LONG MOUNTAIN | Substation-Adjacent | Dutchess County | 345 kV | 600 MW | 3.9 yrs | 64.5 |
| HADDAM NECK | Substation-Adjacent | Lower Connecticut River Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 63.7 |
| CARD` | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 63.6 |
| HADDAM | Substation-Adjacent | Lower Connecticut River Valley Planning Region | 345 kV | 600 MW | 3.9 yrs | 63.6 |
| DEVON | Substation-Adjacent | Greater Bridgeport Planning Region | 115 kV | 100 MW | 3.9 yrs | 63.6 |
| KILLINGLY | Substation-Adjacent | Northeastern Connecticut Planning Region | 345 kV | 600 MW | 3.9 yrs | 63.5 |
| SHEPAUG | Substation-Adjacent | Naugatuck Valley Planning Region | 115 kV | 100 MW | 3.9 yrs | 62.5 |
| WATERSIDE | Substation-Adjacent | Westchester County | 115 kV | 100 MW | 3.9 yrs | 62.5 |
| FREIGHT | Substation-Adjacent | Naugatuck Valley Planning Region | 115 kV | 100 MW | 3.9 yrs | 61.1 |
| ELM WEST | Substation-Adjacent | South Central Connecticut Planning Region | 115 kV | 100 MW | 3.9 yrs | 61.1 |
| TAP136500 | Substation-Adjacent | Capitol Planning Region | 115 kV | 100 MW | 3.9 yrs | 61.1 |
- How many substation-adjacent datacenter sites are in Connecticut?
- GridCensus catalogs 171 substation-adjacent datacenter candidate sites in Connecticut.
- What is a substation-adjacent datacenter site?
- Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Substation-Adjacent sites in Connecticut. Pro and Enterprise plans unlock the full 147,272-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.