WALSENBURG
SubstationColorado · SAN ISABEL ELECTRIC ASSN, INC
WALSENBURG is an electric transmission substation in Colorado, operated by SAN ISABEL ELECTRIC ASSN, INC. It is classified as high-voltage (230 kv) and connects 5 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 & operation
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #79113 | 230 kV | TRI-STATE G & T ASSN, INC | — | 48.5 mi |
| #79121 | 138 kV | TRI-STATE G & T ASSN, INC | — | 28.8 mi |
| #79114 | 115 kV | TRI-STATE G & T ASSN, INC | — | 38.1 mi |
| #79115 | 115 kV | TRI-STATE G & T ASSN, INC | — | 22.3 mi |
| #79123 | 115 kV | SAN ISABEL ELECTRIC ASSN, INC | — | 19.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of WALSENBURG, 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 |
|---|---|---|---|---|---|---|---|
| WALSENBURG | Substation-Adjacent | CO | Huerfano County | 230 kV | 300 MW | 1.7 yrs | 64.9 |
| Greenfield (WALSENBURG - GLADSTONE) | Greenfield | CO | Huerfano County | 230 kV | 300 MW | 3.4 yrs | 63.9 |
| Greenfield (WALSENBURG - GLADSTONE) | Greenfield | CO | Huerfano County | 230 kV | 300 MW | 3.4 yrs | 63.6 |
| Greenfield (WALSENBURG - GLADSTONE) | Greenfield | CO | Huerfano County | 230 kV | 300 MW | 3.4 yrs | 61.5 |
| Greenfield (WALSENBURG - GLADSTONE) | Greenfield | CO | Las Animas County | 230 kV | 300 MW | 3.4 yrs | 61.1 |
| Greenfield (WALSENBURG - COMANCHE) | Greenfield | CO | Pueblo County | 230 kV | 300 MW | 1.7 yrs | 59.2 |
| UNKNOWN204057 | Substation-Adjacent | CO | Huerfano County | 115 kV | 100 MW | 1.7 yrs | 58.9 |
| Greenfield (WALSENBURG - COMANCHE) | Greenfield | CO | Huerfano County | 230 kV | 300 MW | 1.7 yrs | 58.8 |
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.
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This page shows a public slice of the GridCensus dataset for WALSENBURG substation, Colorado. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.