Seven Western states have a plan to build a fast-charge network covering 5,000 miles of interstate.

Colorado Governor John Hickenlooper announced the plan last Wednesday during his welcome address at the National Governors Association Energy Innovation Summit. The plan is the result of an agreement between Colorado, Utah, Nevada, Montana, Idaho, Wyoming, and New Mexico.

“This is an investment. Not just an investment of the future, but an investment in the brand of the Mountain West,” Hickenlooper said. “It’s about making us a hub for clean-energy innovation.”

It’s an expansion of an existing agreement, made 10 months ago, between the Governors of Colorado, Utah, and Nevada. That deal was to build a charging network covering 2,000 miles of highway and five interstates in those three states.

The new plan is called the Regional Electric Vehicle Plan for the West. The 5,000 miles of interstate highway to be part of the EV corridor include interstates 10, 15, 25, 40, 70, 80, 84, 86, and 90. The states involved will commit to enhancing EV adoption by addressing range anxiety. They will also impose standards for EV charging stations including compatibility with various charging standards.

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The seven states involved already have more than 20,000 EVs and plug-in hybrids on the road. 10,000 of those are in Colorado, where a $5,000 tax credit was introduced earlier this year.

“Really this is just a tipping point,” Hickenlooper said. “You put in these charging stations across the West and I think you really do end up with a different kind of future.”

Governor Hickenlooper’s office has said that much of the funding for Colorado’s share of the charging network will come from $68.7 million the state received as part of the Volkswagen diesel emissions scandal settlement. Officials say that the key Colorado corridors will need between 50 and 60 fast-charge stations built.

No timeline has been set for creating the network, but Hickenlooper said that he hopes the plan will spur quick development and friendly competition between the states.