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Octopus Energy, Lunar Energy partner to offer $0-down battery-based retail electric plan in Texas
Homeowners in the deregulated Texas electricity market can sign up now for the 36-month PowerStore electricity plan, with a per-kWh rate of 8 cents and a $45 per month subscription for a 30 kWh Lunar Energy battery they can purchase after the initial term.
Apr 27, 2026
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Swiss startup’s subscription model offers lifetime guarantee for second-life batteries
Switzerland startup Evolium Technologies' subscription-based business model offers residential battery owners a lifetime guarantee on second life batteries. The startup tests and remotely monitors each battery cell so it can alert customers when a cell is under-performing.
Switzerland’s behind-the-meter storage still beats utility-scale at 1.5 GWh, new installations up 90%
Swiss households, farms, and businesses have installed 400% more behind-the-meter storage over the past four years, according to Swissolar's Battery Monitor Switzerland 2026, a first comprehensive study on just how many storage units are in use.
Why Rhythm Energy turned to Origin’s Kinergy for its Texas VPP ambitions
In a first for North America, the Texas retailer is entering home battery aggregation, using Origin's Kinergy platform that comes out of Australia, along with interoperability specialist Intertrust. Co-founder Matthew Tolliver explains the choices, why residential batteries are the starting point, and the still strong friction in scaling VPPs.
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Perspective on flexibility: How batteries, demand response, and interconnectors are powering a new grid
As renewables surge and baseload plants retire, the energy system is facing an urgent need for flexible capacity to balance increasing volatility. While long-term solutions like batteries, interconnectors, and green hydrogen are underway, several short-term measures – from pairing new renewable energy plants with storage to leveraging underused grid connections – could help bridge the flexibility gap now. Sven Heiligtag, Managing Director at Vireo Ventures, explores both the challenges and actionable opportunities to stabilize the grid during the transition.
Australian scheme to deliver 100 neighborhood batteries kicks off final funding round
The Australian state of Victoria has launched its third and final round of grant funding through the 100 Neighbourhood Batteries Program, offering AUD$400,000 per battery through multiple streams of eligibility to a pool of nine council regions.
Delta Green and E.ON offering $234 a year to households for grid flexibility
The virtual power plant (VPP) revolution is rolling out, with E.ON offering flexibility to the grid from home batteries, electric vehicle chargers, solar exports, and more, via Delta Green's software, and paying households for the optionality.
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Researchers identify optimal level of solar, battery storage for Europe
Scientists in Hungary have developed a model to calculate the optimal PV and battery storage balance to support the European grid in the next few years. They found the cost-optimal range is 530 GW to 880 GW of solar, combined with battery storage equivalent to 2.5% to 7.5% of the total intermittent capacity.
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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
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.
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