TAP205670
SubstationColorado · BLACK HILLS/COLORADO ELEC.UTIL
At a glance
TAP205670 is an electric transmission substation in Colorado, on BLACK HILLS/COLORADO ELEC.UTIL'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
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 |
|---|---|---|---|---|
| #204970 | 115 kV | BLACK HILLS/COLORADO ELEC.UTIL | — | 5.5 mi |
| #204971 | 115 kV | BLACK HILLS/COLORADO ELEC.UTIL | — | 6.4 mi |
| #207338 | 46 kV | BLACK HILLS/COLORADO ELEC.UTIL | — | 18.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP205670, 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 |
|---|---|---|---|---|---|---|---|
| MIDWAY | Substation-Adjacent | CO | El Paso County | 345 kV | 600 MW | 4.3 yrs | 63.8 |
| COMANCHE | Substation-Adjacent | CO | Pueblo County | 345 kV | 600 MW | 3.5 yrs | 63.8 |
| PUEBLO | Substation-Adjacent | CO | Pueblo County | 230 kV | 300 MW | 3.5 yrs | 59.1 |
| EC Near Pueblo Airport Generating Station | Greenfield | CO | Pueblo | — | — | 3.5 yrs | 58.8 |
| BOONE | Substation-Adjacent | CO | Pueblo County | 230 kV | 300 MW | 3.5 yrs | 58.8 |
| OZ Pueblo | Greenfield | CO | Pueblo | — | — | 3.5 yrs | 58.6 |
| EC Near Pueblo Airport Generating Station | Greenfield | CO | Pueblo | — | — | 3.5 yrs | 58.5 |
| EC Near Pueblo Airport Generating Station | Greenfield | CO | Pueblo | — | — | 3.5 yrs | 58.1 |
Who owns the transmission lines at TAP205670?
The 3 connected lines listed above are owned by BLACK HILLS/COLORADO ELEC.UTIL. Line voltages range from 46 kV to 115 kV. Their combined recorded length is about 30.8 miles.
How do candidate sites near TAP205670 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 64 on the 0–100 DC Readiness scale. They fall in El Paso County, Pueblo County, Pueblo. 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 TAP205670 substation?
TAP205670 has a maximum voltage of 115 kV and a minimum of 46 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP205670 is at the national midpoint.
How many transmission lines connect to TAP205670 substation?
3 transmission lines terminate at or pass through TAP205670 in the HIFLD line data. The connected lines listed here run at 115 kV, 46 kV. Together the listed lines cover about 30.8 miles.
Who owns TAP205670 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP205670 belong to BLACK HILLS/COLORADO ELEC.UTIL. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP205670 substation located?
TAP205670 is in Colorado at 38.1946, -104.4831. The datacenter candidate sites closest to it are in El Paso County, Pueblo County, Pueblo.
Are there datacenter candidate sites near TAP205670 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP205670. The highest-scoring is MIDWAY at 64/100. 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, “TAP205670 substation, Colorado”, https://gridcensus.com/substations/colorado/tap205670-8a3e8c65 (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 TAP205670 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.