TAP136496
SubstationConnecticut
At a glance
TAP136496 is an electric transmission substation in Connecticut. It is classified as sub-transmission (115 kv) and connects 3 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP136496, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN135915 | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 4.3 yrs | 68.6 |
| MONTVILLE | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 4.3 yrs | 68.4 |
| CARD` | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 345 kV | 600 MW | 4.3 yrs | 66.0 |
| WILLIAMS ST | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 115 kV | 100 MW | 4.3 yrs | 63.4 |
| BUDDINGTON | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 115 kV | 100 MW | 4.3 yrs | 62.3 |
| TAP136504 | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 115 kV | 100 MW | 4.3 yrs | 62.2 |
| GALES FERRY | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 115 kV | 100 MW | 4.3 yrs | 62.1 |
| TAP136506 | Substation-Adjacent | CT | Southeastern Connecticut Planning Region | 115 kV | 100 MW | 4.3 yrs | 62.1 |
How do candidate sites near TAP136496 score?
The 8 highest-scoring candidate sites within about 25 miles range from 62 to 69 on the 0–100 DC Readiness scale. They fall in Southeastern Connecticut Planning Region. The Connecticut average across 919 scored sites is 56.7. 171 of those Connecticut sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP136496 substation?
TAP136496 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP136496 is at the national midpoint.
How many transmission lines connect to TAP136496 substation?
3 transmission lines terminate at or pass through TAP136496 in the HIFLD line data.
Where is TAP136496 substation located?
TAP136496 is in Connecticut at 41.4409, -72.0502. The datacenter candidate sites closest to it are in Southeastern Connecticut Planning Region.
Are there datacenter candidate sites near TAP136496 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP136496. The highest-scoring is UNKNOWN135915 at 69/100. Across Connecticut, the average DC Readiness score is 56.7.
More in Connecticut
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “TAP136496 substation, Connecticut”, https://gridcensus.com/substations/connecticut/tap136496-57b84022 (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for TAP136496 substation, Connecticut is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.