Wyoming is the hardest EV state in this seven-state region. It is also the state where the NEVI build-out matters most, in direct proportion to how thin current charging density is. No one else is covering this state well. That’s exactly why it’s worth covering carefully.

I-80: The Corridor That Has To Work

I-80 carries the bulk of Wyoming’s cross-state EV traffic — 402 miles from Evanston to Pine Bluffs through Rock Springs, Rawlins, Laramie, and Cheyenne. Twenty-four stations serve the route, and two NEVI awards are closing the worst of the high-desert gap: Rawlins has a Tesla site permitted for Q4 2026, and Rock Springs has an EVgo site under construction for Q3 2026. A third, an EV Gateway award at Laramie, is funded for Q2 2027. Until all three are live, the Rock Springs-to-Rawlins-to-Laramie stretch is the section to plan around most carefully — it’s high desert with real distance between reliable fast charging.

I-25 and I-90: Secondary, but Not Optional

I-25 runs the Front Range corridor from Buffalo to Cheyenne, 300 miles with 14 stations, anchored by Casper in the middle. North of Casper toward Sheridan and Buffalo, the spacing thins out — a Tesla NEVI site is permitted for Casper (Q1 2027) and an EVgo award is funded for Sheridan (Q3 2027), neither live yet. I-90 across the northeast corner, 209 miles from Beulah to Ranchester, has only Sheridan and Gillette as meaningful stops — 8 stations across the whole segment. If you’re crossing northeast Wyoming, those two cities are not optional waypoints. They’re the plan.

Yellowstone and Grand Teton: Jackson Is the Gateway

Jackson is Wyoming’s real EV charging hub for both parks, with 22 stations for a town of 11,000 people — density that rivals Cheyenne. US-191 connects Jackson to Yellowstone’s south entrance and on to Rock Springs and I-80, 178 miles with only 6 stations along the way and Pinedale as the one real bottleneck in between. Cody, the eastern approach to Yellowstone via US-26, has 9 stations and far less redundancy than Jackson — treat it as the harder-mode entrance. Inside both parks, charging is essentially absent except for Colter Bay Village in Grand Teton, which has 50-amp RV hookups and an explicit EV policy. It’s the only charging-permitted campground inside either park, and it books out six months ahead.

The Real Gaps Are Real

Be direct about this: Wyoming has 100-plus-mile gaps between reliable fast chargers in multiple places, and NEVI closes some of them on a timeline measured in years, not months. This is not a state to drive on a thin charge plan or an optimistic range estimate. Top off more often than feels necessary. The next station may be farther than it looks on the map.

The Grid: Coal, Honestly

Wyoming’s electricity is the most coal-dependent in this directory, and the sustainability math reflects that. A vehicle charging in Wyoming in 2026 is, on average, drawing from a dirtier grid than the same vehicle would in Colorado or Washington. That’s worth saying plainly rather than softening. It doesn’t change whether the trip is worth taking. It changes how honestly the sustainability score should read.

The Bottom Line

Wyoming is genuinely the hardest state in this region to drive electric, and that’s precisely the value of covering it well — the long-haul I-80 freight and travel corridor isn’t going away, and Yellowstone and Grand Teton traffic isn’t either. Jackson works as a hub. I-80 works with real margin. Everywhere else, plan tighter than you think you need to, and check the NEVI timeline before you assume a gap is closed.

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