TRANSALTA CENTRALIA GENERATION
Substation-AdjacentThurston County, Washington · WECC
TRANSALTA CENTRALIA GENERATION is a substation-adjacent datacenter candidate site in Thurston County, Washington, interconnecting through WECC. It screens at 76.1/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 1.7 yrs average interconnection-queue wait.
Power & interconnection
Speed to power
Connectivity
Site characteristics
Risk & environment
Location context
Incentive detail: Sales tax exemption on DC equipment and construction for eligible facilities; no state income tax.
Full DC Readiness breakdown
All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.
Nearby comparable sites
Other scored datacenter candidate sites in Thurston County, ranked by DC Readiness.
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| PAUL | Substation-Adjacent | 500 kV | 1,000 MW | 1.7 yrs | 73.6 |
| OLYMPIA | Substation-Adjacent | 500 kV | 1,000 MW | 1.7 yrs | 71.9 |
| YELM PP | Substation-Adjacent | 230 kV | 300 MW | 1.7 yrs | 69.5 |
| CHEHALIS | Substation-Adjacent | 230 kV | 300 MW | 1.7 yrs | 69.1 |
| MAY STREET | Substation-Adjacent | 230 kV | 300 MW | 1.7 yrs | 68.4 |
| Transalta Centralia Generation | Brownfield | — | 1,052 MW | — | 68.2 |
| NAPAVINE | Substation-Adjacent | 500 kV | 1,000 MW | 1.7 yrs | 67.7 |
| TAP200417 | Substation-Adjacent | 230 kV | 300 MW | 1.7 yrs | 67.5 |
Dataset updated . Screening estimates derived from public data sources.
Figures are screening estimates derived from public infrastructure data. Catalogued capacity reflects theoretical candidate capacity, not deliverable or committed interconnection. Confirm all values with the utility, ISO, and on-the-ground due diligence.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for TRANSALTA CENTRALIA GENERATION, Thurston County. 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.