Sixth Street

Brownfield

Linn County, Iowa · MISO

DC Readiness
64.3
Good / 100

Sixth Street is a brownfield datacenter candidate site in Linn County, Iowa, interconnecting through MISO. It screens at 64.3/100 DC Readiness with a catalogued 85 MW of candidate capacity and a 1.4 yrs average interconnection-queue wait.

Power & interconnection

Available capacity85 MW
LMP zoneMISO_MINN
Wholesale LMP$34.82/MWh
Utility commercial rate0.13¢/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 IXPEnseva Cedar Rapids
IXP distance5.0 mi
Fiber providers22
Fiber coverage50.8%
Nearest cloud providerAzure
Nearest cloud regioncentralus
Cloud region distance73.8 mi

Site characteristics

Site typeBrownfield
Parcel ownerChicago Central & Pacific Rr
Land owner typeprivate
Buildability100.0/100
Land cover (NLCD)Developed, High Intensity
Former usecoal
Existing capacity85 MW
Retirement date2010-11-01

Risk & environment

Flood zoneZone AE (SFHA)
Water stress (WRI)0.60
Wetlands (NWI)Clear
Critical habitatClear
Superfund nearbyPresent
Superfund siteCARGILL EAST
Hazard sub-score45/100
Construction cost index94.7 (avg 100)

Location context

Nearest datacenterEnseva Cedar Rapids
DC distance5.0 mi
Nearest rail0.1 mi
Nearest gas pipeline13.6 mi
Nearest fiber route61.7 mi
County hazard (FEMA NRI)Relatively Moderate (30)
DC tax incentiveYes (sales_tax_exemption)
Commercial electricity13.22¢/kWh
Industrial electricity8.66¢/kWh
Cooling degree days900
Heating degree days6,500
Land price / acre$10,758

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%
33
Speed to power15%
46
Fiber connectivity12%
86
Energy cost10%
85
Water risk8%
89
Natural hazard8%
45
Buildability7%
100
Labor market4%
50
DC cluster4%
90
Land / acreage3%
61
Construction cost3%
71
Gas pipeline2%
56
Tax incentive2%
100
Climate / cooling2%
80

Nearby comparable sites

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

Sites near Sixth Street
SiteTypeVoltageCapacityQueue waitScore
ARNOLDSubstation-Adjacent345 kV600 MW1.4 yrs74.8
UNKNOWN132111Substation-Adjacent161 kV100 MW1.4 yrs71.6
UNKNOWN132106Substation-Adjacent115 kV100 MW1.4 yrs71.4
MARIONSubstation-Adjacent115 kV100 MW1.4 yrs71.2
UNKNOWN137979Substation-Adjacent161 kV100 MW1.4 yrs70.8
Alliant SBD 9302 Aegon NPBrownfield1 MW70.6
UNKNOWN137965Substation-Adjacent115 kV100 MW1.4 yrs70.6
COFFEYSubstation-Adjacent161 kV100 MW1.4 yrs70.5

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 Sixth Street, Linn 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.