TAP209306
SubstationOregon · PUD NO 1 OF COWLITZ COUNTY
TAP209306 is an electric transmission substation in Oregon, operated by PUD NO 1 OF COWLITZ COUNTY. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #77997 | 115 kV | PUD NO 1 OF COWLITZ COUNTY | — | 0.4 mi |
| #77998 | 115 kV | PUD NO 1 OF COWLITZ COUNTY | — | 6.9 mi |
| #77999 | 115 kV | PUD NO 1 OF COWLITZ COUNTY | — | 2.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP209306, 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 |
|---|---|---|---|---|---|---|---|
| ALLSTON | Substation-Adjacent | OR | Columbia County | 500 kV | 1,000 MW | 1.7 yrs | 69.5 |
| PORT WESTWARD | Substation-Adjacent | WA | Wahkiakum County | 230 kV | 300 MW | 1.7 yrs | 68.8 |
| LEXINGTON | Substation-Adjacent | WA | Cowlitz County | 230 kV | 300 MW | 1.7 yrs | 68.7 |
| LONGVIEW1 | Substation-Adjacent | OR | Columbia County | 230 kV | 300 MW | 1.7 yrs | 68.4 |
| TAP203174 | Substation-Adjacent | OR | Columbia County | 230 kV | 300 MW | 1.7 yrs | 67.7 |
| MAYFIELD | Substation-Adjacent | WA | Lewis County | 240 kV | 300 MW | 1.7 yrs | 66.7 |
| Greenfield (PAUL - ALLSTON) | Greenfield | WA | Wahkiakum County | 500 kV | 1,000 MW | 1.7 yrs | 66.5 |
| UNION RIDGE | Substation-Adjacent | WA | Clark County | 115 kV | 100 MW | 1.7 yrs | 65.7 |
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 TAP209306 substation, Oregon. 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.