A district court denied conservation groups' motion to intervene in a lawsuit concerning EPA's and the Army Corps of Engineers' rule defining the scope of the CWA. The groups sought intervention as of right, arguing they had "a significant, protectable interest" because they represent those who use ...

A district court denied a mining company's motion to dismiss an Indian tribe's challenge to a land exchange between the company and the Forest Service. The tribe argued that the land exchange implicated its sovereign interests, including a right under an 1854 treaty to use the land for hunting, fish...

The Tenth Circuit dismissed a petition to review NRC's grant of a temporary license for spent nuclear fuel storage near the New Mexico border. New Mexico argued NRC violated NEPA and the Nuclear Waste Policy Act, and acted ultra vires in granting the license. NRC moved to dismiss for lack of jurisdi...

The D.C. Circuit, 2-1, denied electric utility companies' challenge to FERC's order granting a solar company's application for certification of its solar array and battery storage facility in Montana as a qualifying facility under the Public Utility Regulatory Policies Act (PURPA). The companies arg...

A district court granted summary judgment for the Tennessee Valley Authority (TVA) in a challenge to its long-term contracts with local power companies. Conservation groups argued that the 20-year contracts, which contained automatic renewal provisions and flexibility provisions allowing the compani...

The Fifth Circuit ordered FERC to provide a meaningful explanation for the length of time it takes for final action in Federal Power Act §206 complaint proceedings, in a lawsuit concerning complaints that have gone four to six years without resolution. The Louisiana Public Service Commission petiti...

The D.C. Circuit granted EPA's motion to dismiss an industry group's challenge to interim lifetime health advisories for two per- and polyfluoroalkyl substances in drinking water. The court found that the group identified alleged harm facing an indirect subsidiary of one of its members, but failed t...

A district court granted a company's motion to preliminarily enjoin a Louisiana parish from enforcing a 12-month moratorium on activities related to well drilling on parish land. The company moved for an injunction prohibiting enforcement of the moratorium insofar as it banned seismic surveys, Class...

The Ninth Circuit affirmed a district court's denial of a Native American tribe's motion to remand to state court, and the dismissal of, its challenge to the city of Seattle's operation of a dam on the Skagit River. The tribe initially sued Seattle in state court, alleging that operation of the dam ...

The D.C. Circuit vacated a license issued by FERC for operation of a hydroelectric dam on the Susquehanna River in Maryland. The state of Maryland issued a CWA §401(a)(1) certification to the dam's operator in 2018 with conditions. The operator challenged the certification, and the parties reached ...