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Working to make the Intermountain West America's leader in the deployment of a reliable, cost-effective, and diverse portfolio of renewable energy resources.

Interwest is a member-based advocacy organization seeking to grow market opportunities for grid-scale renewable energy projects.

With a regional focus, our local staff and consultants work to develop relationships and advance policy to transition the West to a renewable grid. Interwest presents a unified voice for the utility-scale renewable energy industry.

In addition to state-focused work in Arizona, Colorado, Nevada, New Mexico, Utah, and Wyoming, our team works on regional advocacy initiatives including the development of a connected western electricity marketplace.

Regulatory Intervention

Interwest staff and attorneys engage at Public Utilities Commissions across the region on topics like utility resource planning and legislative rulemaking.

Legislative Advocacy

Interwest lobbyists work to advance policy solutions in state capitols across the region.

Regional Initiatives

Interwest staff engage in regional transmission planning and Western wholesale market development.


Interwest members are the leading developers and manufacturers of utility-scale renewable energy in the Intermountain West. 

Our membership brings together the renewable energy industry with environmental advocacy organizations, promoting the deployment of reliable, cost-effective, and diverse renewable energy resources.

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