The Tenth Circuit upheld on constitutional grounds Colorado's mandate that 20% of the electricity that generators sell to Colorado consumers come from renewable sources. A conservative energy group claimed that the renewable energy standard will harm out-of-state coal producers in violation of the C...

A Colorado court upheld a city's decision to create a local electric utility. An electric company argued that the city council exceeded its authority when it created the utility. But the company missed the 28-day deadline for challenging quasi-judicial decisions. When the city declared that the cond...

The Supreme Court of Oklahoma held that a woman injured in a 2011 earthquake may go forward with her suit against two energy companies for allegedly causing the quake due to hydraulic fracturing operations. A lower court dismissed the case, concluding that the Oklahoma Corporation Commission has exc...

The D.C. Circuit denied several petitions for review challenging aspects of an EPA rule that provides procedures for classifying non-hazardous secondary materials as RCRA "solid waste" for the purpose of CAA emission standards for incinerators and other combustion units. The rule classifies secondar...

The D.C. Circuit held that energy companies lack standing to challenge EPA's determination that carbon dioxide (CO2) streams injected into Class VI wells for the purpose of geologic sequestration constitute "solid waste" subject to RCRA. Class VI wells are designated to receive CO2 streams generated...

The First Circuit reversed a lower court decision dismissing a lawsuit concerning a proposed offshore wind power generation facility in Nantucket Sound. Opponents of the facility—a town, an advocacy group, and several individuals and businesses in the area—sought to nullify the state's approval ...