NORTH GATE RIVERSIDE (ALTE)
SubstationWisconsin · AMERICAN TRANSMISSION CO
At a glance
NORTH GATE RIVERSIDE (ALTE) is an electric transmission substation in Wisconsin, on AMERICAN TRANSMISSION CO's transmission network. It is classified as sub-transmission (138 kv) and connects 1 transmission line. 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #166831 | 138 kV | AMERICAN TRANSMISSION CO | IN SERVICE | 4.1 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of NORTH GATE RIVERSIDE (ALTE), 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 |
|---|---|---|---|---|---|---|---|
| EDGEWATER STATION | Substation-Adjacent | WI | Sheboygan County | 345 kV | 600 MW | 4.3 yrs | 66.9 |
| CEDARSAUK | Substation-Adjacent | WI | Ozaukee County | 345 kV | 600 MW | 4.3 yrs | 66.5 |
| TAP138061 | Substation-Adjacent | WI | Washington County | 345 kV | 600 MW | 4.3 yrs | 66.4 |
| SHEBOYGAN FALLS STATION | Substation-Adjacent | WI | Sheboygan County | 345 kV | 600 MW | 4.3 yrs | 63.1 |
| PORT WASHINGTON SW YD | Substation-Adjacent | WI | Ozaukee County | 138 kV | 100 MW | 4.3 yrs | 62.1 |
| EC Near Edgewater | Greenfield | WI | Sheboygan | — | — | 4.3 yrs | 59.7 |
| TAP139554 | Substation-Adjacent | WI | Calumet County | 138 kV | 100 MW | 4.3 yrs | 59.5 |
| EC Near Port Washington Generating Station | Greenfield | WI | Ozaukee | — | — | 4.3 yrs | 59.4 |
How does NORTH GATE RIVERSIDE (ALTE) compare with other substations in Wisconsin?
Wisconsin has 1,930 substation records in HIFLD, of which 768 carry a station name; the rest are unnamed tap points, risers and line ends. 334 named substations in the state are in NORTH GATE RIVERSIDE (ALTE)'s 115–229 kV band (43% of named stations). 36 sit in a higher band. 34 named substations in Wisconsin operate at 345 kV or above. The highest voltage recorded in the state is 345 kV, and the state median is 115 kV.
Who owns the transmission lines at NORTH GATE RIVERSIDE (ALTE)?
The 1 connected line listed above is owned by AMERICAN TRANSMISSION CO. Line voltages range from 138 kV to 138 kV. Their combined recorded length is about 4.1 miles.
How do candidate sites near NORTH GATE RIVERSIDE (ALTE) score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 67 on the 0–100 DC Readiness scale. They fall in Sheboygan County, Ozaukee County, Washington County, Sheboygan. 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 NORTH GATE RIVERSIDE (ALTE) substation?
NORTH GATE RIVERSIDE (ALTE) 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 NORTH GATE RIVERSIDE (ALTE) is above the national midpoint.
How many transmission lines connect to NORTH GATE RIVERSIDE (ALTE) substation?
1 transmission line terminate at or pass through NORTH GATE RIVERSIDE (ALTE) in the HIFLD line data. The connected lines listed here run at 138 kV. Together the listed lines cover about 4.1 miles.
Who owns NORTH GATE RIVERSIDE (ALTE) substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at NORTH GATE RIVERSIDE (ALTE) belong to AMERICAN TRANSMISSION CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is NORTH GATE RIVERSIDE (ALTE) substation located?
NORTH GATE RIVERSIDE (ALTE) is in Wisconsin at 43.7573, -87.7337. The datacenter candidate sites closest to it are in Sheboygan County, Ozaukee County, Washington County.
Are there datacenter candidate sites near NORTH GATE RIVERSIDE (ALTE) substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of NORTH GATE RIVERSIDE (ALTE). The highest-scoring is EDGEWATER STATION at 67/100. Across Wisconsin, the average DC Readiness score is 55.4.
Other 138 kV substations in Wisconsin
- PULLIAM SW YD· 12 lines
- PORTAGE· 9 lines
- ROCK RIVER· 9 lines
- 96TH ST· 8 lines
- ASPEN· 8 lines
- HIGHWAY V· 8 lines
- NORTH FOND DU LAC· 8 lines
- BOC GASSES· 7 lines
- All named substations in Wisconsin· 768 stations
- Datacenter candidate sites in Wisconsin· 3,340 sites
- Brownfield and retired plant sites in Wisconsin
- Substations by state
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, “NORTH GATE RIVERSIDE (ALTE) substation, Wisconsin”, https://gridcensus.com/substations/wisconsin/north-gate-riverside-alte-13e1c964 (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 NORTH GATE RIVERSIDE (ALTE) 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.