Greenfield (MAYFLOWER - SUMMIT)

Greenfield

Summit County, Colorado · WECC

DC Readiness
45.6
Fair / 100

Greenfield (MAYFLOWER - SUMMIT) is a greenfield datacenter candidate site in Summit County, Colorado, interconnecting through WECC. It screens at 45.6/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 1.7 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationMAYFLOWER
Substation voltage115 kV
Available capacity100 MW
Utility commercial rate0.12¢/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 IXPColoradoColo - Lakewood (LKWD)
IXP distance56.3 mi
Fiber providers6
Fiber coverage9.3%
Nearest cloud providerGCP
Nearest cloud regionus-west3
Cloud region distance315.5 mi

Site characteristics

Site typeGreenfield
Parcel ownerPUBLIC SERVICE CO OF COLORADO
Land owner typeprivate
Buildability20.0/100
Land cover (NLCD)Emergent Herbaceous Wetlands

Risk & environment

Flood zoneZone A (SFHA)
Water stress (WRI)3.20
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteCOPPER MOUNTAIN VEHICLE MAINTENANCE SHOP
Hazard sub-score50/100
Construction cost index105.2 (avg 100)

Location context

Nearest datacenterColoradoColo - Lakewood (LKWD)
DC distance56.3 mi
Nearest rail10.7 mi
Nearest gas pipeline31.1 mi
Nearest fiber route67.9 mi
County hazard (FEMA NRI)Relatively Moderate (25)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.19¢/kWh
Industrial electricity8.28¢/kWh
Cooling degree days700
Heating degree days6,200
Land price / acre$8,928

Incentive detail: Enterprise Zone sales tax exemptions; broadband equipment tax credit.

Full DC Readiness breakdown

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

Power availability20%
28
Speed to power15%
33
Fiber connectivity12%
43
Energy cost10%
89
Water risk8%
59
Natural hazard8%
50
Buildability7%
20
Labor market4%
50
DC cluster4%
40
Land / acreage3%
49
Construction cost3%
62
Gas pipeline2%
0
Tax incentive2%
100
Climate / cooling2%
90

Nearby comparable sites

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

Sites near Greenfield (MAYFLOWER - SUMMIT)
SiteTypeVoltageCapacityQueue waitScore
BRECKENRIDGESubstation-Adjacent230 kV300 MW1.7 yrs60.8
DILLIONSubstation-Adjacent230 kV300 MW1.7 yrs60.4
MILLSubstation-Adjacent115 kV100 MW1.7 yrs58.2
MAYFLOWERSubstation-Adjacent115 kV100 MW1.7 yrs58.2
SUMMITSubstation-Adjacent115 kV100 MW1.7 yrs57.1
VAILSubstation-Adjacent115 kV100 MW1.7 yrs54.8
UNKNOWN203907Substation-Adjacent115 kV100 MW1.7 yrs54.5
Greenfield (DILLION - BLUE RIVER)Greenfield230 kV300 MW1.7 yrs54.0

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 Greenfield (MAYFLOWER - SUMMIT), Summit 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.