LOWER GRANITE

Substation-Adjacent

Garfield County, Washington · WECC

DC Readiness
63.9
Good / 100

LOWER GRANITE is a substation-adjacent datacenter candidate site in Garfield County, Washington, interconnecting through WECC. It screens at 63.9/100 DC Readiness with a catalogued 1,000 MW of candidate capacity and a 1.7 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationLOWER GRANITE
Substation distance0.0 mi
Substation voltage500 kV
Available capacity1,000 MW
Utility commercial rate0.10¢/kWh

Speed to power

ISO / RTO regionWECC
Queue depth74
Avg queue wait1.7 yrs
Recent queue wait1.0 yrs
Completion rate17%
Withdrawal rate84%

Connectivity

Nearest IXPUS Bank Building
IXP distance69.4 mi
Fiber providers4
Fiber coverage60.2%
Nearest cloud providerAzure
Nearest cloud regionwestus2
Cloud region distance121.4 mi

Site characteristics

Parcel ownerBONNEVILLE POWER ADMINISTRATION
Land owner typeprivate
Buildability80.0/100
Land cover (NLCD)Grassland/Herbaceous

Risk & environment

Flood zoneZone X
Water stress (WRI)1.80
Wetlands (NWI)Present
Critical habitatClear
Superfund nearbyPresent
Superfund siteUS ARMY COE LOWER GRANITE DAM
Hazard sub-score52/100
Construction cost index105.3 (avg 100)

Location context

Nearest datacenterIron Mountain
DC distance65.3 mi
Nearest rail0.7 mi
Nearest gas pipeline8.0 mi
Nearest fiber route104.3 mi
County hazard (FEMA NRI)Relatively Moderate (28)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity10.48¢/kWh
Industrial electricity7.64¢/kWh
Cooling degree days300
Heating degree days5,000
Land price / acre$1,814

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.

Power availability20%
100
Speed to power15%
33
Fiber connectivity12%
22
Energy cost10%
97
Water risk8%
64
Natural hazard8%
52
Buildability7%
80
Labor market4%
50
DC cluster4%
25
Land / acreage3%
48
Construction cost3%
62
Gas pipeline2%
74
Tax incentive2%
100
Climate / cooling2%
100

Nearby comparable sites

Other scored datacenter candidate sites in Garfield County, ranked by DC Readiness.

Sites near LOWER GRANITE
SiteTypeVoltageCapacityQueue waitScore
PHALEN GULCHSubstation-Adjacent500 kV1,000 MW1.7 yrs69.1
LOWER SNAKE RIVER WIND ENERGY PROJECTSubstation-Adjacent500 kV1,000 MW1.7 yrs68.8
Greenfield (LOWER GRANITE - HATWAI)Greenfield500 kV1,000 MW1.7 yrs65.9
CENTRAL FERRYSubstation-Adjacent500 kV1,000 MW1.7 yrs65.3
Greenfield (LOWER GRANITE - HATWAI)Greenfield500 kV1,000 MW1.7 yrs65.2
Greenfield (CENTRAL FERRY - LOWER GRANITE)Greenfield500 kV1,000 MW1.7 yrs64.5
Greenfield (CENTRAL FERRY - LOWER GRANITE)Greenfield500 kV1,000 MW1.7 yrs64.2
Greenfield (LOWER GRANITE - CENTRAL FERRY)Greenfield500 kV1,000 MW1.7 yrs64.0

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 LOWER GRANITE, Garfield 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.