Doug Puppel

2 months ago | enr.com | Doug Puppel

Colorado utility Platte River Power Authority has signed an agreement with NextEra Energy Resources to develop a large-scale battery energy storage system, part of a renewable power strategy that includes phasing out its coal-fired power plants. The utility announced it will build a 100-MW/400-MW-per-hour lithium iron phosphate battery storage system adjacent to its Black Hollow solar project in Severance, Colo., about 60 miles north of Denver.

Mar 27, 2025 | enr.com | Doug Puppel

Advocates for the widespread adoption of heat pumps in California face a cold reality: The state is currently projected to fall far short of its ambitious goal to have 6 million units installed by 2030. Trends indicate installations may reach only about 4 million for both HVAC and heat pump water heaters over the next five years. A public-private alliance initiated efforts in early March to unite stakeholders in promoting the technology, which is central to California's decarbonization strategy.

Mar 10, 2025 | enr.com | Doug Puppel

A federal judge put a temporary hold on her previous ruling that ordered clean energy developer Enel Green Power North America to remove 84 operating wind turbines in Osage County, Okla. by Dec. 1, in a long running dispute related to mineral rights on tribal land. U.S. District Court Judge Jennifer Choe-Groves granted the request by the Italy-based firm's U.S. unit to stay her 2024 decision while the company appeals the case, although it was ordered to post a $10-million bond.

Mar 10, 2025 | enr.com | Doug Puppel

A federal judge put a temporary hold on her previous ruling that ordered clean energy developer Enel Green Power North America to remove 84 operating wind turbines in Osage County, Okla., by Dec. 1, in a long-running dispute related to mineral rights on tribal land. U.S. District Court Judge Jennifer Choe-Groves granted the request by the Italy-based firm's U.S. unit to stay her 2024 decision while the company appeals the case, although it was ordered to post a $10-million bond.

Mar 6, 2025 | enr.com | Doug Puppel |Debra K. Rubin

Hoping to take a cue from the nation of Iceland, which powers most of its electrical grid with geothermal energy, proponents say they expect a U.S. rampup as projects receive closer attention from the fossil-fuel sector, investors and the government. Only 3 GW of geothermal has come online in the U.S. so far, with high upfront costs and uncertain Biden-era tax incentives seen as hurdles. Addressing a recent panel hosted by non-partisan think tank the Atlantic Council, Colorado Gov.