PHOENIX, AZ – The Sierra Club on Friday filed a request for rehearing to ask for a reconsideration of the Arizona Corporation Commission’s (ACC) decision to repeal Arizona’s Renewable Energy Standard and Tariff (REST), a program that has supported the development of clean, affordable rene
ATLANTA, GA — Environmental organizations and faith communities filed an appeal today asking a Fulton County Superior Court to review the Georgia Public Service Commission’s December decision to approve Georgia Power’s proposal to add an additional 10 GW of energy generation to the grid at customers’ expense without proving a need for such a major investment.
COLUMBIA, SC – The South Carolina Small Business Chamber of Commerce and the Sierra Club are hosting a webinar, on background, for reporters in South Carolina on the importance of large load tariffs in protecting existing utility customers from rate shock due to power-hungry data centers.
Washington, DC – Public interest organizations today filed a challenge in federal court to overturn the Trump administration’s illegal emergency order extending the life of Colorado’s Craig Unit 1, a coal-burning power plant. By unnecessarily keeping the unit online, the order threatens to raise utility customers’ electric bills and worsen air quality for surrounding communities.
WASHINGTON, D.C. – The Federal Energy Regulatory Commission unanimously approved the Southwest Power Pool’s innovative proposal to transform its siloed interconnection and transmission processes, which will accelerate the timeline for building new power generation while reducing costs to consumers.
Washington, D.C. - The increase of pollution from coal-fired power plants has reached a quarter-century high under the Trump administration.
COLUMBIA, S.C. – A settlement agreement was reached by groups, including the Sierra Club, with Duke Energy on its proposed merger of its subsidiaries in South Carolina. A Sierra Club priority included in the settlement agreement is the commitment from Duke Energy to pursue at least 70 megawatts of new grid flexibility in the winter, known as demand response.
SEATTLE, WA — Today, public interest groups filed a challenge in federal court to overturn an illegal emergency order issued by the Department of Energy (DOE) forcing Washington’s last coal plant to continue operating.
DENVER - Today, National Parks Conservation Association (NPCA) and Sierra Club, represented by Earthjustice, filed a petition for review challenging the Environmental Protection Agency's (EPA) illegal disapproval
Phoenix, Ariz. – Today the Arizona Corporation Commission (ACC) approved conversions of two coal-fired power plants to burn methane gas without reviewing the environmental impacts of those changes, leaving customers paying fuel costs for decades. The Commission also voted to repeal Arizona’s Renewable Energy Standard and Tariff (REST), which has supported the development of renewable energy like solar power, bringing clean energy jobs and investment to Arizona.
ATLANTA - The Department of Energy announced it will give a $26.5 billion loan to Southern Company to build the largest, most expensive gas fleet in the nation.
PHOENIX, AZ – Today during its fourth quarter financial results conference call, Pinnacle West Capital Corporation, parent company of utility Arizona Public Service (APS), reported an increase in its annual profits. The results are in sharp contrast to what Arizonans and APS customers are experiencing – spiked utility bills, and degraded air quality, all while Pinnacle West reported $617 million in profits in 2025. In the call, Pinnacle West also reported $423 million in dividends to shareholders.