Data / Site & infrastructure / Utilities & power
Transmission lines
Lines of 69 kV and above, statewide. This is the same file as the Parcels view's transmission layer.
About this data
- Published by
- Homeland Infrastructure Foundation-Level Data (HIFLD)
Electric Power Transmission Lines - Method
- Downloaded from Electric Power Transmission Lines.
- Update frequency
- Irregular
- Last updated
- Oct 6, 2026
- Records
- 559
- Coverage
- Lines of 69 kV and above, statewide. This is the same file as the Parcels view's transmission layer.
Records in 53 of 56 counties. - License
- Public domain
Known gaps
Many lines have no owner or voltage listed. HIFLD does not map distribution lines (below 69 kV).
Preview
The newest or first 500 records. Click a column heading to sort. Use the filter to find a place or a name.
Fields
| Field | Column | Description |
|---|---|---|
| Owner | OWNER | |
| Voltage | VOLTAGE | |
| Voltage class | VOLT_CLASS | |
| Type | TYPE | |
| Status | STATUS | |
| From | SUB_1 | |
| To | SUB_2 |
Downloads and links
Data 4 MT is an index of public records. It republishes only what Montana and federal agencies make public, with a link to the source on each record. People are shown as “Private individual” on public pages and downloads; companies, trusts held by institutions, and governments keep their names. No document images, sale prices, voter, MVD or wildlife-telemetry data are stored. Verify any record against the publisher’s copy before relying on it.