TAP134530
SubstationNorth Dakota · OTTER TAIL POWER CO
At a glance
TAP134530 is an electric transmission substation in North Dakota, on OTTER TAIL POWER CO's transmission network. It is classified as unclassified 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #123621 | 42 kV | OTTER TAIL POWER CO | IN SERVICE | 2.5 mi |
| #140485 | 42 kV | OTTER TAIL POWER CO | IN SERVICE | 9.0 mi |
| #146571 | 42 kV | OTTER TAIL POWER CO | IN SERVICE | 0.7 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP134530, 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 |
|---|---|---|---|---|---|---|---|
| DRAYTON | Substation-Adjacent | ND | Pembina County | 230 kV | 300 MW | 4.3 yrs | 62.5 |
| EC Near Walhalla | Greenfield | ND | Pembina | — | — | 4.3 yrs | 60.9 |
| EC Coal Pembina County | Greenfield | ND | Pembina County | — | — | 4.3 yrs | 59.2 |
| EC Coal Pembina County | Greenfield | ND | Pembina County | — | — | 4.3 yrs | 58.1 |
| EC Near Walhalla | Greenfield | ND | Pembina | — | — | 4.3 yrs | 58.0 |
| UNKNOWN134546 | Substation-Adjacent | ND | Pembina County | 115 kV | 100 MW | 4.3 yrs | 57.6 |
| UNKNOWN134547 | Substation-Adjacent | ND | Walsh County | 115 kV | 100 MW | 4.3 yrs | 57.6 |
| EC Near Walhalla | Greenfield | ND | Pembina | — | — | 4.3 yrs | 57.6 |
Who owns the transmission lines at TAP134530?
The 3 connected lines listed above are owned by OTTER TAIL POWER CO. Line voltages range from 42 kV to 42 kV. Their combined recorded length is about 12.2 miles.
How do candidate sites near TAP134530 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 63 on the 0–100 DC Readiness scale. They fall in Pembina County, Pembina, Walsh County. The North Dakota average across 1,020 scored sites is 55.7. 453 of those North Dakota sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
How many transmission lines connect to TAP134530 substation?
3 transmission lines terminate at or pass through TAP134530 in the HIFLD line data. The connected lines listed here run at 42 kV. Together the listed lines cover about 12.2 miles.
Who owns TAP134530 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP134530 belong to OTTER TAIL POWER CO. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP134530 substation located?
TAP134530 is in North Dakota at 48.6156, -97.4689. The datacenter candidate sites closest to it are in Pembina County, Pembina, Walsh County.
Are there datacenter candidate sites near TAP134530 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP134530. The highest-scoring is DRAYTON at 63/100. Across North Dakota, the average DC Readiness score is 55.7.
More in North Dakota
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, “TAP134530 substation, North Dakota”, https://gridcensus.com/substations/north-dakota/tap134530-97c5d663 (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 TAP134530 substation, North Dakota 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.