Pima County, Arizona · WECC

DC Readiness
59.7
Good / 100

TAT MOMOLI is a substation-adjacent datacenter candidate site in Pima County, Arizona, interconnecting through WECC. It screens at 59.7/100 DC Readiness with a catalogued 300 MW of candidate capacity and a 5.7 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationTAT MOMOLI
Substation distance0.0 mi
Substation voltage230 kV
Available capacity300 MW
Utility commercial rate0.14¢/kWh

Speed to power

ISO / RTO regionWECC
Queue depth68
Avg queue wait5.7 yrs
Recent queue wait5.7 yrs
Completion rate10%
Withdrawal rate90%

Connectivity

Nearest IXPCyrusOne Phoenix
IXP distance47.2 mi
Fiber providers13
Fiber coverage17.9%
Nearest cloud providerAzure
Nearest cloud regionwestus3
Cloud region distance61.1 mi

Site characteristics

Parcel ownerTOHONO O'ODHAM UTILITY AUTHORITY
Land owner typeprivate
Buildability70.0/100
Land cover (NLCD)Shrub/Scrub

Risk & environment

Flood zoneZone D
Water stress (WRI)4.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyClear
Hazard sub-score78/100
Construction cost index79.4 (avg 100)

Location context

Nearest datacenterCyrusOne PHX7
DC distance46.9 mi
Nearest rail18.2 mi
Nearest gas pipeline10.0 mi
Nearest fiber route49.8 mi
County hazard (FEMA NRI)Relatively Low (22)
DC tax incentiveYes (property_tax_reduction)
Commercial electricity14.34¢/kWh
Industrial electricity9.84¢/kWh
Cooling degree days3,400
Heating degree days1,500
Land price / acre$504

Incentive detail: Government Property Lease Excise Tax (GPLET) for qualified facilities on government land.

Full DC Readiness breakdown

All 13 weighted sub-scores (0–100) behind the composite DC Readiness score.

Power availability20%
78
Speed to power15%
30
Fiber connectivity12%
43
Energy cost10%
90
Water risk8%
34
Natural hazard8%
78
Buildability7%
70
Labor market4%
50
DC cluster4%
50
Land / acreage3%
55
Construction cost3%
84
Gas pipeline2%
68
Tax incentive2%
100
Climate / cooling2%
0

Nearby comparable sites

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

Sites near TAT MOMOLI
SiteTypeVoltageCapacityQueue waitScore
TUCSONSubstation-Adjacent138 kV100 MW5.7 yrs64.9
SANTA CRUZSubstation-Adjacent138 kV100 MW5.7 yrs64.8
Tucson International Airport AreaBrownfield3 MW62.9
BLACK MOUNTAINSubstation-Adjacent115 kV100 MW5.7 yrs62.5
SAN XAVIERSubstation-Adjacent115 kV100 MW5.7 yrs62.2
THREE POINTSSubstation-Adjacent115 kV100 MW5.7 yrs61.8
DEL CERROSubstation-Adjacent138 kV100 MW5.7 yrs61.5
RILLITOSubstation-Adjacent138 kV100 MW5.7 yrs61.0

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 TAT MOMOLI, Pima 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.