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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.
Livia Neves
Jul 03, 2025
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German batteries stabilizing solar energy prices at expense of own profitability Analyst THEMA Consulting Group has calculated the impact of rapid expansion of battery storage systems in Germany and found they will help stabilize solar prices by reducing the number of negatively-priced-electricity hours – but will cannibalize their own revenue in doing so.
Sandra Enkhardt
Jul 01, 2025
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EDP, Axpo sign revenue deal for 241 MWh Polish battery The project, located in the Wielkopolska region, has already secured grid capacity payments and is set to be operational in 2027.
Max Hall
Jul 01, 2025
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Brazilian energy storage hampered by technical challenges and lack of regulation While Brazil wastes billions of real on curtailment, the electricity sector is demanding urgent action on an energy storage capacity reserve auction which is now not expected until 2026. 'What is missing is the courage to unlock the market,' said Greener CEO Marcio Takata.
Alessandra Neris
Jun 30, 2025
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Enervis Battery Storage Index: Revenues reach record level in May 2025 The index provides independent assessment of historical and potential revenues for large-scale battery energy storage systems (BESS).
Jonas Anthonioz, Mirko Schlossarczyk
Jun 26, 2025
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Entrix enters Italy to back international clients with MACSE, hybrid storage models Steffen Schülzchen, CEO and founder of Entrix, told pv magazine Italia that interest from international investors in the Italian BESS market is very strong – with approximately 50% of their customers in Germany actively considering entry into the Italian market.
Sergio Matalucci
Jun 19, 2025
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Australian regulator to fine grid assets which destabilize ferquency and reward those which balance it Regulator the Australian Energy Market Operator's (AEMO) reform of frequency performance payments (FPP) will future-proof the National Electricity Market (NEM) grid by setting real-time incentives for fast and flexible assets such as batteries.
Ev Foley
Jun 13, 2025

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Dr. George Hilton talking to Marija Maisch
In Conversation: ‘Good time to be battery storage developer’ At Intersolar Europe 2024, ESS News spoke with George Hilton, research and analysis manager at S&P Global, about the state of play in the battery energy storage supply chain and falling prices. According to Hilton, the overcapacity at every level of the supply chain has led to prices that are no longer sustainable for many market players. Meanwhile, technological innovation has led to an unprecedented variety of battery storage technologies on offer, and for a great number of markets the right time to jump in is now.
Marija Maisch
Jun 27, 2024
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Containers of battery energy storage solution
Arizona’s largest energy storage project closes $513 million in financing In the USA, the 1,200 MWh Papago Storage project will dispatch enough power to serve 244,000 homes for four hours a day with the e-Storage SolBank high-cycle lithium-ferro-phosphate battery energy storage solution. Recurrent Energy, a subsidiary of Canadian Solar Inc. has secured $513 million in project financing for its Papago Storage project located in Maricopa County, Arizona. 
Anne Fischer
Jun 21, 2024
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Man charging an EV
Australian vehicle-to-grid trial gets $3.2 million boost Amber Electric has received a $3.2 million (USD 2.3 million) grant from the Australian Renewable Energy Agency (ARENA) toward their $7.7 million electric vehicle (EV) smart charging and bi-directional vehicle-to-grid (V2G) software solution trial. One thousand customers across Australia will participate in the trial over the next two years with the V2G scope expected to begin in mid-2025.
Ev Foley, Carrie Hampel
Jun 20, 2024
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Chart showing the simulation for one autumn day
BESS, deep learning simulations: decrease in wholesale price variability Donato Leo is the author of a study on the relationship between photovoltaics, batteries and wholesale energy prices in Italy. Leo's deep learning simulations suggest changes in energy prices as installed battery capacity increases.
Sergio Matalucci
Jun 20, 2024
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Chart with Q1 2024 comparison of energy storage deployments
U.S. grid-scale storage grows 84%, residential storage 48% Wood Mackenzie reported large growth in Q1 year-over-year for grid-scale storage and residential storage in the USA, while commercial and industrial storage slowed.
Ryan Kennedy
Jun 19, 2024
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Flexa management team Vjekoslav Salapic (left) and Sébastien Schikora
Enpal, Entrix announce Europe’s largest virtual power plant Under their joint venture Flexa, the two companies want to combine PV systems, home batteries and other decentralized energy resources into a network with a total output of several gigawatts, which will integrate an AI-powered electricity trading platform.
Jochen Siemer
Jun 12, 2024
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Large energy storage installation
Cornwall backs new FCAS markets to deliver big profits for batteries “Substantial” profits available in the recently introduced Very Fast Frequency Control Ancillary Services markets will lead to a surge in battery involvement according to new data provided by energy market consultancy and research group Cornwall Insight Australia.
David Carroll
May 03, 2024

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