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Research & Development
New flywheel design could eliminate power converter for grid connection A research team has built a fixed-speed flywheel prototype that uses a wire-rope mechanism to move weights inward and outward during discharge and charge. The system briefly supplied power to the electrical supply, but steady-state losses prevented net electrical energy discharge over the complete operation.
Lior Kahana
Oct 28, 2026
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Markets & Policy
Australian grid operator announces curtailment drill for rooftop PV South Australia’s grid operator will complete its annual test of its ability to temporarily curtail rooftop solar generation on August 25. Solar systems in the state will be curtailed for up to one hour, expected to cause the loss of around 1.5 kWh of generation per installation.
Patrick Jowett
Aug 20, 2026
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Research & Development
Solar-plus-storage-driven heat pumps can reduce grid electricity use by 59.89% Researchers in Italy found that combining demand response, thermal storage, insulation, and PV-battery systems can significantly improve building energy performance. The optimized strategy increased comfort compliance to 81.22% and reduced electricity consumption by up to 28.22%, with PV-battery integration boosting grid savings by nearly 60%.
Lior Kahana
Aug 03, 2026