TAP305250
SubstationCalifornia · IMPERIAL IRRIGATION DISTRICT
At a glance
TAP305250 is an electric transmission substation in California, on IMPERIAL IRRIGATION DISTRICT's transmission network. It is classified as unclassified 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 |
|---|---|---|---|---|
| #302986 | 92 kV | IMPERIAL IRRIGATION DISTRICT | — | 0.1 mi |
| #306290 | — | IMPERIAL IRRIGATION DISTRICT | IN SERVICE | 0.1 mi |
| #307329 | — | IMPERIAL IRRIGATION DISTRICT | IN SERVICE | 0.0 mi |
| #312269 | — | IMPERIAL IRRIGATION DISTRICT | IN SERVICE | 0.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP305250, 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 |
|---|---|---|---|---|---|---|---|
| IMPERIAL VALLEY | Substation-Adjacent | CA | Imperial County | 500 kV | 1,000 MW | 7.6 yrs | 55.0 |
| Hudson Ranch Power II LLC | Brownfield | CA | Imperial County | 230 kV | 55 MW | 7.6 yrs | 52.0 |
| EL CENTRO | Substation-Adjacent | CA | Imperial County | 230 kV | 300 MW | 7.6 yrs | 51.6 |
| HIGHLINE | Substation-Adjacent | CA | Imperial County | 230 kV | 300 MW | 7.6 yrs | 50.6 |
| MIDWAY | Substation-Adjacent | CA | Imperial County | 230 kV | 300 MW | 7.6 yrs | 50.5 |
| BANNISTER | Substation-Adjacent | CA | Imperial County | 230 kV | 300 MW | 7.6 yrs | 50.3 |
| Ormesa I | Brownfield | CA | Imperial County | 66 kV | 31 MW | 7.6 yrs | 50.1 |
| Black Rock II | Brownfield | CA | Imperial County | 66 kV | 70 MW | 7.6 yrs | 49.5 |
Who owns the transmission lines at TAP305250?
The 4 connected lines listed above are owned by IMPERIAL IRRIGATION DISTRICT. Line voltages range from 92 kV to 92 kV. Their combined recorded length is about 0.3 miles.
How do candidate sites near TAP305250 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 Imperial 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
How many transmission lines connect to TAP305250 substation?
3 transmission lines terminate at or pass through TAP305250 in the HIFLD line data. The connected lines listed here run at 92 kV. Together the listed lines cover about 0.3 miles.
Who owns TAP305250 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP305250 belong to IMPERIAL IRRIGATION DISTRICT. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP305250 substation located?
TAP305250 is in California at 33.1568, -115.6403. The datacenter candidate sites closest to it are in Imperial County.
Are there datacenter candidate sites near TAP305250 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP305250. The highest-scoring is IMPERIAL VALLEY 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, “TAP305250 substation, California”, https://gridcensus.com/substations/california/tap305250-c102dd9a (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 TAP305250 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.