Arizona regulators have rejected Salt River Project’s proposed expansion of the Coolidge Generating Station, a gas-fired power plant in Pinal County.

Nevada Gov. Steve Sisolak has signed on to a multistate agreement to work toward a goal of 100% sales of zero-emission medium- and heavy-duty trucks by 2050.

The Rocky Mountain chapter of the Energy Bar Association hosted a panel to discuss the intricacies of creating an organized market in the West.

Nevada Gov. Steve Sisolak announced the membership of a panel that will advise the governor and legislature on potentially bringing the state into an RTO.

Nevada regulators have approved NV Energy’s $100 million plan for a network of electric vehicle charging sites throughout the state.

Nevada's Clean Cars regulations will take effect in 2025, but the state is allowing auto makers to bank ZEV credits starting next year.

Managed-charging strategies emerge as incentives intended to encourage EV owners to charge during off-peak hours create late-night surges in power use.

EIM stakeholders broadly support a proposal that would expand the Governing Body’s approval authority and grant it a “more collaborative” relationship with CAISO’s board.

Stakeholders and EIM Governing Body members gathered in Las Vegas to express their support for the CAISO-created Regional Issues Forum.

Environmental group Western Resource Advocates was an early proponent of CAISO’s Energy Imbalance Market and is actively supporting the ISO’s effort to transform itself into an RTO serving the broader West.