Substation-Adjacent Datacenter Sites in Connecticut
Connecticut has 174 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.
174
Substation-Adjacent sites
66.5/100
Avg score (top 25)
Connecticut
State
Substation-Adjacent
Type
Top substation-adjacent sites in Connecticut
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| NO. WALL | Substation-Adjacent | South Central Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| FROST BRIDGE | Substation-Adjacent | Naugatuck Valley Planning Region | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| BRIDGEPORT RESCO | Substation-Adjacent | Greater Bridgeport Planning Region | 345 kV | 600 MW | 3.5 yrs | 69.7 |
| UNKNOWN133278 | Substation-Adjacent | South Central Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 69.4 |
| MANCHESTER | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.5 yrs | 69.1 |
| MILLSTONE | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 68.8 |
| LAKE ROAD | Substation-Adjacent | Northeastern Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 68.2 |
| NORTH BLOOMFIELD | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.5 yrs | 67.6 |
| TAP136499 | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.5 yrs | 67.6 |
| PLUMTREE | Substation-Adjacent | Western Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 67.0 |
| BRIDGEPORT HARBOR | Substation-Adjacent | Greater Bridgeport Planning Region | 345 kV | 600 MW | 3.5 yrs | 66.8 |
| EAST HARTFORD | Substation-Adjacent | Capitol Planning Region | 115 kV | 100 MW | 3.5 yrs | 65.7 |
| NOERA | Substation-Adjacent | Naugatuck Valley Planning Region | 115 kV | 100 MW | 3.5 yrs | 65.7 |
| FREIGHT | Substation-Adjacent | Naugatuck Valley Planning Region | 115 kV | 100 MW | 3.5 yrs | 65.7 |
| MILFORD POWER | Substation-Adjacent | Greater Bridgeport Planning Region | 115 kV | 100 MW | 3.5 yrs | 65.6 |
| CARD` | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 65.3 |
| BARBOUR HILL | Substation-Adjacent | Capitol Planning Region | 345 kV | 600 MW | 3.5 yrs | 65.2 |
| TAP136563 | Substation-Adjacent | Naugatuck Valley Planning Region | 115 kV | 100 MW | 3.5 yrs | 65.0 |
| MONTVILLE | Substation-Adjacent | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 3.5 yrs | 64.9 |
| MILFORD POWER PROJECT | Substation-Adjacent | Greater Bridgeport Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.5 |
| TAP140774 | Substation-Adjacent | Capitol Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.5 |
| TAP140842 | Substation-Adjacent | Greater Bridgeport Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.1 |
| WATER ST | Substation-Adjacent | South Central Connecticut Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.1 |
| UNKNOWN136498 | Substation-Adjacent | Capitol Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.0 |
| BERLIN | Substation-Adjacent | Capitol Planning Region | 115 kV | 100 MW | 3.5 yrs | 64.0 |
- How many substation-adjacent datacenter sites are in Connecticut?
- GridCensus catalogs 174 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.
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This page shows a public slice of the GridCensus dataset for Substation-Adjacent sites in Connecticut. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.