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Left: Artist’s impression of the Tauernmoos pumped storage plant in Austria


technologies, can ensure the lights stay on for local customers regardless of what’s happening to the regional grid.”


“It is important that we have the confidence and capacity to provide for our community in the event of an emergency,” added Idaho Falls Mayor Rebecca Casper. The recent tests were focused on ultracapacitors, which, unlike batteries, can deliver quick bursts of energy then just as quickly capture excess power. This relieves pressure from the hydropower plants, giving


them more time to catch up to changes in demand. To isolate the city’s generators and test them in various configurations, two 6MW load banks were brought in. In preparation for the tests, the American Governor


Group and INL measured the hydropower plant’s response and used these observations to adjust digital models. The digital models were fed into INL’s digital real-time simulators, which then simulated possible test outcomes, helping to fine-tune the process and reduce risk of equipment damage during field demonstration. f


Below: Tauernmoos in Austria. GE Renewable has been awarded a contract for the 85MW pumped storage plant that will be built here


www.waterpowermagazine.com | October 2021 | 17


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