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Balmy days are on the horizon for geothermal energy. The renewal of the Production Tax Credit in the U.S. and improved drilling and electricity production techniques are the two main reasons geothermal energy advocates are bullish about the industry. POWER looks at some interesting installations and explains why the optimism is well-founded.

One of the key projects at the U.S. Navy’s Office of Naval Research is developing an integrated ship power system capable of supplying power both to propulsion systems and to advanced electric weapons, launchers, and high-power sensors. It would be the ultimate naval power T&D system. The "all-electric warship," which some predict will have as much of an impact on navies as the nuclear submarine, is still a decade or two away. But the first generation of electric systems is already being installed on U.S. warships currently under construction.

New rulemaking by the EPA has highlighted the importance of fish protection technologies and/or operational changes to improve fish survival at circulating water intake structures. In this first of three reports from Alden Laboratories, the focus is on step one of the design process: analyzing the intake system to inform development of cost-effective solutions for meeting Section 316(b) performance standards. The other two reports, to be published later this year, will explore fish protection technologies through laboratory and field evaluations, and alternative cooling water intake technologies.

For thousands of U.S. businesses, a lesson learned the hard way over the past few years is the need for an absolutely reliable electricity source. Challenging the standard backup power options, proton exchange membrane fuel cells are making a play for this duty.

Combined heat and power options in most modern steam plants are an opportunity waiting to happen. Energy conservation at our nation’s colleges, mills, and hospitals goes way beyond changing light bulbs and thermostat setpoints. This exclusive report by the CEO of a member of the U.S. Combined Heat & Power Association—one of POWER’s business partners—explains why.