IDAHO SPRINGS
SubstationColorado · PUBLIC SERVICE CO OF COLORADO
At a glance
IDAHO SPRINGS is an electric transmission substation in Colorado, on PUBLIC SERVICE CO OF COLORADO's transmission network. It is classified as high-voltage (230 kv) and connects 2 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 |
|---|---|---|---|---|
| #201854 | 230 kV | PUBLIC SERVICE CO OF COLORADO | — | 15.6 mi |
| #201855 | 230 kV | PUBLIC SERVICE CO OF COLORADO | — | 15.3 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of IDAHO SPRINGS, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN203871 | Substation-Adjacent | CO | Jefferson County | 230 kV | 300 MW | 3.5 yrs | 63.6 |
| VALMONT | Substation-Adjacent | CO | Broomfield County | 230 kV | 300 MW | 3.5 yrs | 63.6 |
| EC Coal Jefferson County | Greenfield | CO | Jefferson County | — | — | 3.5 yrs | 63.1 |
| EC Near Front Range Project | Greenfield | CO | Weld | — | — | 3.5 yrs | 63.0 |
| Lamar Station Crossing | Brownfield | CO | Jefferson | 115 kV | 0 MW | 3.5 yrs | 63.0 |
| EC Coal Boulder County | Greenfield | CO | Boulder County | — | — | 3.5 yrs | 62.8 |
| OZ Jefferson | Greenfield | CO | Jefferson | — | — | 3.5 yrs | 62.7 |
| LOOK OUT | Substation-Adjacent | CO | Jefferson County | 230 kV | 300 MW | 3.5 yrs | 62.6 |
How does IDAHO SPRINGS compare with other substations in Colorado?
Colorado has 1,214 substation records in HIFLD, of which 400 carry a station name; the rest are unnamed tap points, risers and line ends. 128 named substations in the state are in IDAHO SPRINGS's 230–344 kV band (32% of named stations). 20 sit in a higher band. 20 named substations in Colorado operate at 345 kV or above. The highest voltage recorded in the state is 345 kV, and the state median is 115 kV.
Who owns the transmission lines at IDAHO SPRINGS?
The 2 connected lines listed above are owned by PUBLIC SERVICE CO OF COLORADO. Line voltages range from 230 kV to 230 kV. Their combined recorded length is about 30.9 miles.
How do candidate sites near IDAHO SPRINGS score?
The 8 highest-scoring candidate sites within about 25 miles range from 63 to 64 on the 0–100 DC Readiness scale. They fall in Jefferson County, Broomfield County, Weld, Jefferson. 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 IDAHO SPRINGS substation?
IDAHO SPRINGS has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so IDAHO SPRINGS is above the national midpoint.
How many transmission lines connect to IDAHO SPRINGS substation?
2 transmission lines terminate at or pass through IDAHO SPRINGS in the HIFLD line data. The connected lines listed here run at 230 kV. Together the listed lines cover about 30.9 miles.
Who owns IDAHO SPRINGS substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at IDAHO SPRINGS belong to PUBLIC SERVICE CO OF COLORADO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is IDAHO SPRINGS substation located?
IDAHO SPRINGS is in Colorado at 39.7428, -105.4794. The datacenter candidate sites closest to it are in Jefferson County, Broomfield County, Weld.
Are there datacenter candidate sites near IDAHO SPRINGS substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of IDAHO SPRINGS. The highest-scoring is UNKNOWN203871 at 64/100. Across Colorado, the average DC Readiness score is 50.6.
Other 230 kV substations in Colorado
- CHEROKEE· 20 lines
- FORT LUPTON· 13 lines
- FORT ST VRAIN· 12 lines
- VALMONT· 11 lines
- DENVER TERMINAL· 10 lines
- FRONT RANGE· 10 lines
- WALSENBURG· 10 lines
- WELD· 10 lines
- All named substations in Colorado· 400 stations
- Datacenter candidate sites in Colorado· 3,428 sites
- Brownfield and retired plant sites in Colorado
- Substations by state
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, “IDAHO SPRINGS substation, Colorado”, https://gridcensus.com/substations/colorado/idaho-springs-513a4eff (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 IDAHO SPRINGS 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.