RISER163001
SubstationWisconsin
At a glance
RISER163001 is an electric transmission substation in Wisconsin. It is classified as sub-transmission (138 kv) and connects 2 transmission lines. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #166417 | 138 kV | — | IN SERVICE | 1.9 mi |
| #166554 | 138 kV | — | IN SERVICE | 1.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of RISER163001, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| CARDINAL | Substation-Adjacent | WI | Dane County | 345 kV | 600 MW | 4.3 yrs | 69.6 |
| NORTH MADISON 345/138KV | Substation-Adjacent | WI | Dane County | 345 kV | 600 MW | 4.3 yrs | 67.7 |
| CHRISTIANA | Substation-Adjacent | WI | Jefferson County | 345 kV | 600 MW | 4.3 yrs | 65.8 |
| OZ Dane | Greenfield | WI | Dane | — | — | 4.3 yrs | 64.9 |
| EC Near Blount Street | Greenfield | WI | Dane | — | — | 4.3 yrs | 64.5 |
| OZ Dane | Greenfield | WI | Dane | — | — | 4.3 yrs | 64.4 |
| OZ Dane | Greenfield | WI | Dane | — | — | 4.3 yrs | 64.2 |
| BLOUNT | Substation-Adjacent | WI | Dane County | 138 kV | 100 MW | 4.3 yrs | 64.2 |
How do candidate sites near RISER163001 score?
The 8 highest-scoring candidate sites within about 25 miles range from 64 to 70 on the 0–100 DC Readiness scale. They fall in Dane County, Jefferson County, Dane. The Wisconsin average across 3,340 scored sites is 55.4. 1,248 of those Wisconsin sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is RISER163001 substation?
RISER163001 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so RISER163001 is above the national midpoint.
How many transmission lines connect to RISER163001 substation?
2 transmission lines terminate at or pass through RISER163001 in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 2.9 miles.
Where is RISER163001 substation located?
RISER163001 is in Wisconsin at 43.0737, -89.2796. The datacenter candidate sites closest to it are in Dane County, Jefferson County, Dane.
Are there datacenter candidate sites near RISER163001 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of RISER163001. The highest-scoring is CARDINAL at 70/100. Across Wisconsin, the average DC Readiness score is 55.4.
More in Wisconsin
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “RISER163001 substation, Wisconsin”, https://gridcensus.com/substations/wisconsin/riser163001-53fca76d (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for RISER163001 substation, Wisconsin is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.