TAP308126
SubstationCalifornia · REDDING ELECTRIC UTILITY
At a glance
TAP308126 is an electric transmission substation in California, on REDDING ELECTRIC UTILITY'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 |
|---|---|---|---|---|
| #302806 | 115 kV | REDDING ELECTRIC UTILITY | IN SERVICE | 0.1 mi |
| #304670 | 115 kV | REDDING ELECTRIC UTILITY | IN SERVICE | 0.0 mi |
| #305200 | 115 kV | REDDING ELECTRIC UTILITY | IN SERVICE | 0.1 mi |
| #309394 | 115 kV | REDDING ELECTRIC UTILITY | IN SERVICE | 2.3 mi |
| #310489 | 115 kV | REDDING ELECTRIC UTILITY | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP308126, 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 |
|---|---|---|---|---|---|---|---|
| OLINDA | Substation-Adjacent | CA | Tehama County | 500 kV | 1,000 MW | 7.6 yrs | 54.5 |
| FLANNIGAN | Substation-Adjacent | CA | Shasta County | 230 kV | 300 MW | 7.6 yrs | 50.7 |
| SHASTA | Substation-Adjacent | CA | Shasta County | 230 kV | 300 MW | 7.6 yrs | 50.7 |
| CARR | Substation-Adjacent | CA | Trinity County | 230 kV | 300 MW | 7.6 yrs | 50.6 |
| KESWICK | Substation-Adjacent | CA | Shasta County | 230 kV | 300 MW | 7.6 yrs | 50.6 |
| SPRING CREEK | Substation-Adjacent | CA | Shasta County | 230 kV | 300 MW | 7.6 yrs | 50.5 |
| AIRPORT | Substation-Adjacent | CA | Shasta County | 230 kV | 300 MW | 7.6 yrs | 50.4 |
| COTTONWOOD | Substation-Adjacent | CA | Tehama County | 230 kV | 300 MW | 7.6 yrs | 50.4 |
Who owns the transmission lines at TAP308126?
The 5 connected lines listed above are owned by REDDING ELECTRIC UTILITY. Line voltages range from 115 kV to 115 kV. Their combined recorded length is about 2.5 miles.
How do candidate sites near TAP308126 score?
The 8 highest-scoring candidate sites within about 25 miles range from 50 to 55 on the 0–100 DC Readiness scale. They fall in Tehama County, Shasta County, Trinity County. The California average across 8,490 scored sites is 45.4. 1,573 of those California sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP308126 substation?
TAP308126 has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP308126 is at the national midpoint.
How many transmission lines connect to TAP308126 substation?
3 transmission lines terminate at or pass through TAP308126 in the HIFLD line data. The connected lines listed here run at 115 kV. Together the listed lines cover about 2.5 miles.
Who owns TAP308126 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP308126 belong to REDDING ELECTRIC UTILITY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP308126 substation located?
TAP308126 is in California at 40.5869, -122.3957. The datacenter candidate sites closest to it are in Tehama County, Shasta County, Trinity County.
Are there datacenter candidate sites near TAP308126 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP308126. The highest-scoring is OLINDA at 55/100. Across California, the average DC Readiness score is 45.4.
More in California
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, “TAP308126 substation, California”, https://gridcensus.com/substations/california/tap308126-df5d253c (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 TAP308126 substation, California 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.