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The award-winning Phase Change Matters blog tracks the latest news and research on phase change materials and thermal energy storage. E-mail tips and comments to Ben Welter, communications director at Entropy Solutions. Follow the blog on Twitter at @PureTemp. Subscribe to the weekly PCM newsletter. Or join the discussion on LinkedIn.

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Ice Energy lands 16 contracts with Southern California Edison

Ben Welter - Thursday, November 06, 2014

Ice Energy has been awarded sixteen contracts from Southern California Edison to provide 25.6 megawatts of behind-the-meter thermal energy storage using Ice Energy’s Ice Bear system. The TES system attaches to one or more standard 5- to 20-ton commercial AC units. The system makes ice at night when demand for electricity is low and capacity is abundant and increasingly sourced from wind and other renewables. During the day, the stored ice is used to provide cooling.

The science of phase change: It’s (more) complicated

Ben Welter - Thursday, November 06, 2014

Think you know how phase change works? You might need to rethink that. Researchers at Princeton, Peking University and New York University say the process is a lot more complex than previously known. "This research shows that phase changes can follow multiple pathways, which is counter to what we've previously known," explains Mark Tuckerman, a professor of chemistry and applied mathematics at NYU and one of the study's co-authors. "This means the simple theories about phase transitions that we teach in classes are just not right."