Sumner
BrownfieldSumner, BREMER, Iowa · City of Sumner - (IA)
Sumner is a oil plant in Sumner, BREMER, Iowa, retired 2021-02-01. Retired generation sites are among the most attractive datacenter redevelopment targets: the existing interconnection was sized for roughly 6 MW of generation, so the grid hookup, transmission rights, and often cooling-water access are already in place — collapsing the speed-to-power timeline versus a greenfield build.
Former use & capacity
Grid hookup & remediation
Nearby datacenter candidate sites
Scored candidate sites near Sumner, ranked by DC Readiness.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| HAZLETON | Substation-Adjacent | IA | Black Hawk County | 345 kV | 600 MW | 1.4 yrs | 76.6 |
| BLACK HAWK | Substation-Adjacent | IA | Black Hawk County | 345 kV | 600 MW | 1.4 yrs | 76.2 |
| UNKNOWN156749 | Substation-Adjacent | IA | Black Hawk County | 161 kV | 100 MW | 1.4 yrs | 73.9 |
| TAP163591 | Substation-Adjacent | IA | Black Hawk County | 161 kV | 100 MW | 1.4 yrs | 73.3 |
| UNKNOWN132086 | Substation-Adjacent | IA | Black Hawk County | 161 kV | 100 MW | 1.4 yrs | 73.0 |
| UNKNOWN130759 | Substation-Adjacent | IA | Black Hawk County | 161 kV | 100 MW | 1.4 yrs | 72.8 |
| PIONEER PRAIRIE PHASE I | Substation-Adjacent | IA | Chickasaw County | 345 kV | 600 MW | 1.4 yrs | 71.8 |
| WASHBURN | Substation-Adjacent | IA | Black Hawk County | 161 kV | 100 MW | 1.4 yrs | 71.3 |
Nearby internet exchanges
- SFN IA-WaterlooWaterloo, IA · 6 networks
- Cologix DSM2Cedar Falls, IA · 2 networks
- SFN IA-UrbanaUrbana, IA · 1 networks
- Connect Cedar ValleyCedar Falls, IA · 0 networks
See all datacenter sites in Iowa →
Dataset updated . Screening estimates derived from public data sources.
Brownfield attributes are derived from EIA retired-generator and EPA public data. Existing capacity reflects the retired plant's historical nameplate, not deliverable interconnection for a new load. Confirm reusable interconnection rights, remediation status, and site availability with the utility, ISO, and current owner.
Go deeper than the public screen
This page shows a public slice of the GridCensus dataset for Sumner, Sumner, BREMER, Iowa. 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.