Mountain West · EV Charging Guide
Montana
Big sky, big distances, and a charging map being drawn in real time.
[EDITORIAL BODY PLACEHOLDER]
Montana is bigger than people from outside it tend to remember. Driving an EV across this state is an exercise in respecting that scale.
Add 600-1000 words covering:
- The 552-mile I-90 spine and how NEVI’s four new sites change the trip math
- Glacier-to-Yellowstone via US-89 as the corridor most people actually plan around
- US-2 / the Hi-Line as the single hardest EV corridor in the seven-state region
- Montana’s coal-heavy grid and what that means for sustainability scoring (this is the state where the carbon math is hardest)
- NorthWestern Energy’s role as both the utility and a NEVI station operator
- Glacier and Yellowstone park access by EV — what works, what doesn’t
Voice notes: scale is the framing. Distances matter. Be candid about the grid-mix tradeoff.
Major Charging Corridors
Every cross-state route, with the charging stops that matter.
The longest I-90 segment of any state. Missoula, Butte, Bozeman, Billings string along it. NEVI build-out fills the gaps at Three Forks, Big Timber, and Hardin.
The north-south corridor. Great Falls, Helena, Butte anchor it. Sparse north of Great Falls toward the Canadian border.
Eastern Montana corridor connecting Billings to North Dakota. The single sparsest interstate segment in the state.
The Hi-Line. Glacier National Park gateway through northern Montana. Truly sparse east of Havre — multi-day planning required.
The Glacier-to-Yellowstone scenic corridor. Browning to Livingston via Great Falls and Helena. The road most people care about for outdoor recreation.
New Stations Coming Online
Federal NEVI funding is rebuilding Montana's highway charging network. We track every station from grant award to ribbon-cutting. If something slips, you'll read about it here first.
| Location | Operator | Ports | Status | Expected |
|---|---|---|---|---|
| Missoula, I-90 | Tesla | 8 | construction | Q3 2026 |
| Three Forks, I-90 | EV Gateway | 4 | permitted | Q4 2026 |
| Big Timber, I-90 | EVgo | 4 | funded | Q2 2027 |
| Hardin, I-90 | NorthWestern Energy | 4 | funded | Q3 2027 |
| Great Falls, I-15 | Tesla | 6 | permitted | Q1 2027 |
| Conrad, I-15 | EV Gateway | 4 | funded | Q4 2027 |
| Glendive, I-94 | NorthWestern Energy | 4 | funded | Q3 2027 |
Last verified 2026-05-01. Sources linked per row in our methodology.
Charging by City
EV + Outdoor Recreation
Charging Where the Pavement Ends
18 verified EV-friendly campgrounds and RV parks across Montana, with charging policies confirmed by phone or operator listing.
National park charging guides: Glacier , Yellowstone .
About this guide
Updated 2026-05-13. Charging station data refreshed nightly from the NREL Alternative Fuels Data Center. Field intelligence (cell signal, amenities, winter access) verified by The Juice Index editors. Sustainability scoring methodology documented at /about/methodology/. Errors or updates: editors@thejuiceindex.com.