Greenfield (DEWITT - ROCK CREEK)

Greenfield

Clinton County, Iowa · MISO

DC Readiness
63.0
Good / 100

Greenfield (DEWITT - ROCK CREEK) is a greenfield datacenter candidate site in Clinton County, Iowa, interconnecting through MISO. It screens at 63.0/100 DC Readiness with a catalogued 100 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Nearest substationDEWITT
Substation voltage161 kV
Available capacity100 MW
LMP zoneMISO_MINN
Wholesale LMP$34.82/MWh
Utility commercial rate0.12¢/kWh

Speed to power

ISO / RTO regionMISO
Queue depth21
Avg queue wait1.4 yrs
Recent queue wait1.4 yrs
Completion rate18%
Withdrawal rate82%

Connectivity

Nearest IXPBluebird Quad Cities Data Center
IXP distance18.2 mi
Fiber providers14
Fiber coverage48.9%
Nearest cloud providerAzure
Nearest cloud regioncentralus
Cloud region distance138.1 mi

Site characteristics

Site typeGreenfield
Parcel ownerCOMMONWEALTH EDISON CO
Land owner typeprivate
Buildability65.0/100
Land cover (NLCD)Cultivated Crops

Risk & environment

Flood zoneZone X
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyClear
Hazard sub-score70/100
Construction cost index76.0 (avg 100)

Location context

Nearest datacenterGeneseo Communications Inc
DC distance18.2 mi
Nearest rail0.3 mi
Nearest gas pipeline3.9 mi
Nearest fiber route14.7 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity12.32¢/kWh
Industrial electricity7.86¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$9,600
See all datacenter sites in Clinton County →

Incentive detail: Sales tax exemption on DC equipment for $1M+ investments; property tax phase-in for new construction.

Full DC Readiness breakdown

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

Power availability20%
32
Speed to power15%
55
Fiber connectivity12%
72
Energy cost10%
84
Water risk8%
87
Natural hazard8%
70
Buildability7%
65
Labor market4%
50
DC cluster4%
65
Land / acreage3%
54
Construction cost3%
87
Gas pipeline2%
87
Tax incentive2%
100
Climate / cooling2%
80

Nearby comparable sites

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

Sites near Greenfield (DEWITT - ROCK CREEK)
SiteTypeVoltageCapacityQueue waitScore
UNKNOWN122189Substation-Adjacent345 kV600 MW1.4 yrs76.6
ROCK CREEKSubstation-Adjacent345 kV600 MW1.4 yrs72.4
UNKNOWN122187Substation-Adjacent161 kV100 MW1.4 yrs70.7
DEWITTSubstation-Adjacent161 kV100 MW1.4 yrs70.0
QUAD CITIESSubstation-Adjacent345 kV600 MW1.4 yrs69.3
CALAMUSSubstation-Adjacent161 kV100 MW1.4 yrs67.7
UNKNOWN131582Substation-Adjacent161 kV100 MW1.4 yrs66.8
Greenfield (SALEM - ROCK CREEK)Greenfield345 kV600 MW1.4 yrs66.4

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 (DEWITT - ROCK CREEK), Clinton 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.

See plans & API accessTalk to us