TAP205666
SubstationColorado · SOUTHEAST COLORADO POWER ASSN
At a glance
TAP205666 is an electric transmission substation in Colorado, on SOUTHEAST COLORADO POWER ASSN's transmission network. It is classified as distribution (69–115 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #204906 | 69 kV | SOUTHEAST COLORADO POWER ASSN | — | 15.7 mi |
| #204964 | 69 kV | SOUTHEAST COLORADO POWER ASSN | — | 1.2 mi |
| #204965 | 69 kV | SOUTHEAST COLORADO POWER ASSN | — | 9.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP205666, 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 |
|---|---|---|---|---|---|---|---|
| EC Coal Baca County | Greenfield | CO | Baca County | — | — | 4.3 yrs | 55.9 |
| TAP205667 | Substation-Adjacent | CO | Prowers County | 230 kV | 300 MW | 4.3 yrs | 55.2 |
| OZ Baca | Greenfield | CO | Baca | — | — | 4.3 yrs | 55.0 |
| UNKNOWN203944 | Substation-Adjacent | CO | Morton County | 69 kV | 50 MW | 4.3 yrs | 52.6 |
| UNKNOWN205665 | Substation-Adjacent | CO | Baca County | 115 kV | 100 MW | 4.3 yrs | 52.2 |
| VILAS | Substation-Adjacent | CO | Baca County | 115 kV | 100 MW | 4.3 yrs | 52.2 |
| UNKNOWN203941 | Substation-Adjacent | CO | Baca County | 69 kV | 50 MW | 4.3 yrs | 50.1 |
| TAP205666 | Substation-Adjacent | CO | Baca County | 69 kV | 50 MW | 4.3 yrs | 50.1 |
Who owns the transmission lines at TAP205666?
The 3 connected lines listed above are owned by SOUTHEAST COLORADO POWER ASSN. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 25.9 miles.
How do candidate sites near TAP205666 score?
The 8 highest-scoring candidate sites within about 25 miles range from 50 to 56 on the 0–100 DC Readiness scale. They fall in Baca County, Prowers County, Baca, Morton 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 TAP205666 substation?
TAP205666 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP205666 is below the national midpoint.
How many transmission lines connect to TAP205666 substation?
3 transmission lines terminate at or pass through TAP205666 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 25.9 miles.
Who owns TAP205666 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP205666 belong to SOUTHEAST COLORADO POWER ASSN. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP205666 substation located?
TAP205666 is in Colorado at 37.3987, -102.3138. The datacenter candidate sites closest to it are in Baca County, Prowers County, Baca.
Are there datacenter candidate sites near TAP205666 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP205666. The highest-scoring is EC Coal Baca County at 56/100. 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, “TAP205666 substation, Colorado”, https://gridcensus.com/substations/colorado/tap205666-b232be2c (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 TAP205666 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.