TAP203986
SubstationColorado · TRI-STATE G & T ASSN, INC
At a glance
TAP203986 is an electric transmission substation in Colorado, on TRI-STATE G & T ASSN, INC's transmission network. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #201771 | 115 kV | TRI-STATE G & T ASSN, INC | — | 8.9 mi |
| #201772 | 115 kV | TRI-STATE G & T ASSN, INC | — | 0.0 mi |
| #201773 | 115 kV | TRI-STATE G & T ASSN, INC | — | 2.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP203986, 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 |
|---|---|---|---|---|---|---|---|
| OZ San Juan | Greenfield | CO | San Juan | — | — | 4.3 yrs | 55.3 |
| TAP203985 | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.7 |
| SILVERTON | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.6 |
| CASCADE | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.4 |
| TAP205926 | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.4 |
| BURRO BRIDGE | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.3 |
| TAP205924 | Substation-Adjacent | CO | San Juan County | 115 kV | 100 MW | 4.3 yrs | 54.0 |
| EC Coal Ouray County | Greenfield | CO | Ouray County | — | — | 4.3 yrs | 53.8 |
Who owns the transmission lines at TAP203986?
The 3 connected lines listed above are owned by TRI-STATE G & T ASSN, INC. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 11.3 miles.
How do candidate sites near TAP203986 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 55 on the 0–100 DC Readiness scale. They fall in San Juan, San Juan County, Ouray County. The Colorado average across 3,428 scored sites is 50.6. 899 of those Colorado sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP203986 substation?
TAP203986 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 TAP203986 is at the national midpoint.
How many transmission lines connect to TAP203986 substation?
3 transmission lines terminate at or pass through TAP203986 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 11.3 miles.
Who owns TAP203986 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP203986 belong to TRI-STATE G & T ASSN, INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP203986 substation located?
TAP203986 is in Colorado at 37.8641, -107.8814. The datacenter candidate sites closest to it are in San Juan, San Juan County, Ouray County.
Are there datacenter candidate sites near TAP203986 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP203986. The highest-scoring is OZ San Juan at 55/100. Across Colorado, the average DC Readiness score is 50.6.
More in Colorado
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, “TAP203986 substation, Colorado”, https://gridcensus.com/substations/colorado/tap203986-e88170ea (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 TAP203986 substation, Colorado 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.