TAP156277
SubstationWisconsin · NORTHWESTERN WISCONSIN ELEC CO
At a glance
TAP156277 is an electric transmission substation in Wisconsin, on NORTHWESTERN WISCONSIN ELEC CO's transmission network. It is classified as distribution (69–115 kv) and connects 3 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #158113 | 69 kV | NORTHWESTERN WISCONSIN ELEC CO | IN SERVICE | 1.8 mi |
| #158114 | 69 kV | NORTHWESTERN WISCONSIN ELEC CO | IN SERVICE | 12.3 mi |
| #158126 | 69 kV | NORTHWESTERN WISCONSIN ELEC CO | IN SERVICE | 0.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP156277, 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 |
|---|---|---|---|---|---|---|---|
| CHISAGO | Substation-Adjacent | MN | Chisago County | 500 kV | 1,000 MW | 4.3 yrs | 66.8 |
| UNKNOWN129348 | Substation-Adjacent | MN | Pine County | 230 kV | 300 MW | 4.3 yrs | 61.9 |
| RUSH CITY/CAPS | Substation-Adjacent | MN | Chisago County | 230 kV | 300 MW | 4.3 yrs | 61.6 |
| UNKNOWN129347 | Substation-Adjacent | MN | Chisago County | 230 kV | 300 MW | 4.3 yrs | 61.1 |
| UNKNOWN156278 | Substation-Adjacent | WI | Polk County | 161 kV | 100 MW | 4.3 yrs | 59.9 |
| UNKNOWN131510 | Substation-Adjacent | MN | Polk County | 161 kV | 100 MW | 4.3 yrs | 59.8 |
| UNKNOWN132889 | Substation-Adjacent | WI | Polk County | 161 kV | 100 MW | 4.3 yrs | 59.8 |
| RISER143500 | Substation-Adjacent | MN | Polk County | 161 kV | 100 MW | 4.3 yrs | 59.8 |
Who owns the transmission lines at TAP156277?
The 3 connected lines listed above are owned by NORTHWESTERN WISCONSIN ELEC CO. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 14.7 miles.
How do candidate sites near TAP156277 score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 67 on the 0–100 DC Readiness scale. They fall in Chisago County, Pine County, Polk County. 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 TAP156277 substation?
TAP156277 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP156277 is below the national midpoint.
How many transmission lines connect to TAP156277 substation?
3 transmission lines terminate at or pass through TAP156277 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 14.7 miles.
Who owns TAP156277 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP156277 belong to NORTHWESTERN WISCONSIN ELEC CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP156277 substation located?
TAP156277 is in Wisconsin at 45.7723, -92.5317. The datacenter candidate sites closest to it are in Chisago County, Pine County, Polk County.
Are there datacenter candidate sites near TAP156277 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP156277. The highest-scoring is CHISAGO at 67/100. 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, “TAP156277 substation, Wisconsin”, https://gridcensus.com/substations/wisconsin/tap156277-56252b5a (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 TAP156277 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.