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PG&E and Rewiring America announce Google-funded virtual power plant program
The initiative, designed to test the locational value of customer-sited resources, will deploy flexible capacity from thousands of existing home batteries and smart devices across the Bay Area, while subsidizing the purchase and installation of new battery-enabled Carrier heat pumps.
Sep 07, 2026
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DC-coupled hybrid retrofit adds batteries to solar farm in Australia, avoiding modifications
Solmech has completed a hybrid retrofit at an existing solar farm in South Australia, adding DC-coupled battery energy storage in a move designed to overcome grid constraints and improve energy utilisation and operational flexibility.
Italy’s BESS additions slow to 28.86 MWh in July
Italy added 1,105 new battery energy storage systems (BESS) in July, representing 28.86 MWh of additional capacity and 15.6 MW of power, according to Terna. Solar installations fell in number from June but increased in added capacity, with 6,195 new systems totaling 698.55 MW.
Battery storage cuts farm electricity costs by 80% in Spain
A 150 kW solar system paired with a 257 kWh battery energy storage system (BESS) has helped an agricultural operation in Spain cut its electricity costs by up to 80%, with plans to add another storage unit and approach 100% energy self-sufficiency.
Battery energy storage: a new economic asset for industrial sites
Beyond their role in energy management, batteries open up new revenue opportunities for industrial sites. The Perlen project in Switzerland illustrates this: its 10 MW / 20 MWh storage system will be used to provide system services and then participate in the pre-charge and intraday electricity markets.
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Novel sizing approach for smart home batteries, solar
Researchers in Iran found a 500 Wh battery paired with 1 kW of solar generation capacity – and operating under a dynamic home energy management system (HEMS) – could offer up to 96% arbitrage opportunity while managing factors such as market prices, uncertain grid supply etc.
Jul 04, 2025
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Brazilian energy storage regulation due this year, regulator official says
Daniel Danna, rapporteur for regulator the Agência Nacional de Energia Elétrica's (ANEEL) Public Consultation (CP) 39, of 2023, told Brazil's Chamber of Deputies initial energy storage rules would be published in the second half of the year, with two rounds of further regulatory discussion due to finish by 2028.
Sonnen: Intelligent battery charging vital for home solar arrays
The ever-increasing number of negative electricity price hours is affecting owners of solar arrays. This year, the shortfall in payments from the Renewable Energy Sources Act (EEG) could rise to around €250 ($294), affecting 40% of annual revenue, according to a projection by storage company Sonnen.
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Australian state’s new green bank has AU$1 billion to invest in big batteries, other projects
The New South Wales government’s new green bank is now open for business with an initial AU$1 billion (US$ 660 million) in funding available to accelerate key energy projects to support the state’s shift from coal-fired power generation to renewables.
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