Closed Basin San Luis Valley at 37.531, -105.696
Federal ExcessAlamosa County, Colorado · WECC
At a glance
Closed Basin San Luis Valley at 37.531, -105.696 is a federal excess datacenter candidate site in Alamosa County, Colorado, scoring 46.4/100 DC Readiness — 41st of 45 scored sites in the county. It sits in the WECC grid region and the PUBLIC SERVICE CO OF COLORADO service territory, where interconnection has averaged 3.5 years from request to operation.
Power & interconnection
Speed to power
Deep queue and long historical waits — plan for a multi-year interconnection timeline and engage the utility early.
Connectivity
Site characteristics
Risk & environment
Location context
Regulatory climate
No notable statewide DC restriction on record; confirm local zoning and utility tariffs.
Incentive detail: Enterprise Zone sales tax exemptions; broadband equipment tax credit.
Site location
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How does Closed Basin San Luis Valley at 37.531, -105.696 compare with other sites in Alamosa County?
Closed Basin San Luis Valley at 37.531, -105.696 ranks 41st of 45 scored candidate sites in Alamosa County. Its 46.4/100 is roughly in line with the county average of 49.5. It is roughly in line with the Colorado average of 50.6 and about 13% below the national average of 53.2.
Against the Colorado average, its strongest sub-score is natural hazard (75 vs 74) and its weakest is power availability (30 vs 38). Power and speed to power each carry 20% of the composite score, fiber 12%, water 7% and hazard 6%.
How close is Closed Basin San Luis Valley at 37.531, -105.696 to power, fiber and other datacenters?
For connectivity, the nearest internet exchange facility is T5@Colorado Springs at 99.7 miles. 5 fiber providers report service at the location in FCC broadband data. The closest operating datacenter on record is T5@Colorado Springs, 99.8 miles away.
What are the flood, water and hazard risks at Closed Basin San Luis Valley at 37.531, -105.696?
At the county level, FEMA's National Risk Index rates Alamosa County "Relatively Moderate".
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Alamosa County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| SAN LUIS VALLEY | Substation-Adjacent | 230 kV | 300 MW | 4.3 yrs | 58.2 |
| BLM Solar DLA: Fourmile East | Greenfield | — | 765 MW | 3.5 yrs | 57.7 |
| TAP204025 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 53.8 |
| UNKNOWN204039 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 53.8 |
| UNKNOWN204026 | Substation-Adjacent | 115 kV | 100 MW | 4.3 yrs | 53.5 |
| OZ Alamosa | Greenfield | — | — | 4.3 yrs | 53.4 |
| SARGENT | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.1 |
| ALAMOSA | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 53.1 |
Closed Basin San Luis Valley at 37.531, -105.696: common questions
What is the DC Readiness score of Closed Basin San Luis Valley at 37.531, -105.696?
Closed Basin San Luis Valley at 37.531, -105.696 scores 46.4/100 on the GridCensus DC Readiness scale, rated fair. It ranks 41st of 45 scored sites in Alamosa County. The Alamosa County average is 49.5 and the Colorado average is 50.6.
Which electric utility serves Closed Basin San Luis Valley at 37.531, -105.696?
PUBLIC SERVICE CO OF COLORADO (investor owned) holds the retail service territory that contains the site; its holding company is XCEL ENERGY.
What grid region is Closed Basin San Luis Valley at 37.531, -105.696 in?
Closed Basin San Luis Valley at 37.531, -105.696 is in the WECC region. Projects interconnecting there have averaged a 3.5-year wait from queue request to operation.
How far is Closed Basin San Luis Valley at 37.531, -105.696 from an internet exchange?
The nearest internet exchange facility is T5@Colorado Springs, about 99.7 miles away; 5 fiber providers report service at the location.
Related pages
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published October 10, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Closed Basin San Luis Valley at 37.531, -105.696, Alamosa County, CO”, https://gridcensus.com/datacenter-sites/colorado/alamosa-county/closed-basin-san-luis-valley-077c1e00 (data as of October 10, 2026).
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
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Every site and score for Closed Basin San Luis Valley at 37.531, -105.696, Alamosa County 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.