March 11 (SeeNews) – US utility Duke Energy Corp (NYSE:DUK) is testing hybrid ultracapacitor-battery energy storage system at one of its substations in North Carolina, it said Thursday.
The 100-kW/300-kWh storage system, said to be the first of its kind, went online last month. It will be used to demonstrate applications, including extended operational life, rapid response, real-time solar smoothing and load shifting. There is a 1.2-MW solar installation connected near the substation.
“With so many solar installations in North Carolina, we must look for innovative ways to better incorporate renewable energy into our system – and still provide reliable service at a competitive price for our customers,” said Thomas Golden, technology development manager for Duke Energy.
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Originally published on the ECOreport. No other utility company has more installed renewable capacity or uses a stronger proportion of renewably produced electricity. According to recent press releases, the utility giant E.ON leads the way to Germany’s Green Grid.“Renewables account for more than 80 percent of the electricity that flows through our networks, well above the national average. This demonstrates that E.ON already operates the innovative, efficient energy networks of the future. Each year we invest more than €1 billion to expand our networks in Germany,” said Thomas König, Managing Director of E.ON Deutschland.32 GW of the 96 GW of installed renewables capacity subsidized under Germany’s Renewable Energy Law were connected to E.ON by the end of 2015.
