CCI SIGNAL HILL LLC
SubstationTexas · ONCOR ELECTRIC DELIVERY CO.
CCI SIGNAL HILL LLC is an electric transmission substation in Texas, operated by ONCOR ELECTRIC DELIVERY CO.. It is classified as sub-transmission (138 kv) and connects 1 transmission line. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #90634 | 138 kV | ONCOR ELECTRIC DELIVERY CO. | — | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of CCI SIGNAL HILL LLC, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN306791 | Substation-Adjacent | TX | Clay County | 345 kV | 600 MW | 3.4 yrs | 71.2 |
| UNKNOWN309695 | Substation-Adjacent | TX | Wichita County | 345 kV | 600 MW | 3.4 yrs | 69.6 |
| UNKNOWN302104 | Substation-Adjacent | TX | Clay County | 138 kV | 100 MW | 3.4 yrs | 66.9 |
| UNKNOWN304596 | Substation-Adjacent | TX | Wichita County | 138 kV | 100 MW | 3.4 yrs | 66.1 |
| UNKNOWN306052 | Substation-Adjacent | TX | Wichita County | 138 kV | 100 MW | 3.4 yrs | 65.6 |
| Greenfield (UNKNOWN300376 - UNKNOWN304658) | Greenfield | OK | Tillman County | 345 kV | 600 MW | 3.4 yrs | 65.0 |
| UNKNOWN303758 | Substation-Adjacent | TX | Clay County | 138 kV | 100 MW | 3.4 yrs | 64.8 |
| Greenfield (UNKNOWN304658 - UNKNOWN300376) | Greenfield | TX | Clay County | 345 kV | 600 MW | 3.4 yrs | 64.8 |
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.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for CCI SIGNAL HILL LLC substation, Texas. 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.