Clean energy journalism for a cooler tomorrow

10775 Results

  • ENN

    Pumped hydro not a magic bullet for energy storage

    Pumped-hydro energy storage is a century-old technology that's increasingly being seen as a tool that could help the nation meet its future energy storage needs. But it's likely to play a limited role, according to a UC-San Diego physicist.

  • ENN

    Grid operator approves major Midwest transmission plan

    The Midwest's regional electricity grid operator approved a long-term plan Thursday that calls for $6.5 billion in new transmission projects aimed at helping states meet their renewable energy mandates and spreading the cost of renewable transmission across the region.

  • ENN

    Hooray for hydropower?

    While Congress debates cutting support for wind and solar energy, a new bill from members of the House Energy Committee proposes spending $5 million to study the potential of expanding hydropower in the U.S.

    By Ken Paulman  . 

  • ENN

    Holiday week recap

    As promised, here's a wrap-up of the top stories from the past week or so for those of you who were taking time off.

    By Ken Paulman  . 

  • ENN

    Scrapped Iowa project leaves energy storage lessons

    After years of study, investors concluded Iowa's sandstone aquifers aren't suitable for compressed-air energy storage. However, the research leaves behind promising economic findings and lessons for other energy storage projects.

  • ENN

    Tintable glass maker expanding with DOE help

    SageGlass, a Faribault, Minn., company that makes energy-saving tintable window glass, is preparing to open its new high-volume, manufacturing plant before the end of the year.