A Pennsylvania judge blocked Gov. Tom Wolf’s effort to enter RGGI, saying the administration’s plan was a tax that lacked required legislative approval.

Arizona Public Service is soliciting proposals for energy projects providing up to 1,500 MW to help meet the utility’s reliability and clean energy goals.

The U.S. Department of Energy made changes requested by California to help postpone the retirement of Diablo Canyon, the state's last nuclear plant.

The non-utility owner of a Washington gas-fired power plant says the facility faces unfair treatment under the state’s pending cap-and-trade program.

The New Jersey BPU agreed to hear Ørsted's petition seeking to override county officials who it says have not responded to efforts to secure local approvals.

New York Gov. Kathy Hochul signed bills relating to clean building codes, thermal energy networks and prevailing wages for renewable energy workers.

NYISO reviewed the preliminary results of phase one of the Grid in Transition study on the reliability effects of integrating more renewables into the grid.

Gov. Gavin Newsom was expected to sign legislation that would expedite permitting for new generation storage and possibly extend the life of aging gas plants.

Reactions to the Supreme Court’s decision in West Virginia v. EPA came fast and, predictably, framed with an eye on the upcoming midterm elections.

Solar developers embraced a new report by the NJ BPU on how to modernize the state’s power grid to handle the expected rise in energy from wind and solar.