Markets
Policymakers are increasingly recognizing the value of energy storage for building a greener, flexible, and reliable energy system. In a growing number of markets, energy policies are being introduced to support both deployment and local manufacturing.
Be it through procurement exercises or other market mechanisms, policymakers have intensified efforts to drive the development and deployment of all energy storage solutions.
However, in most markets, some barriers still exist.
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Latest News
Storing solar electricity using utility-scale batteries has dropped to just $65/MWh, Ember says
A new analysis from energy think tank Ember shows that the cost of storing electricity with utility-scale batteries has fallen to just $65/MWh as of October 2025 outside China and the US, making it economically feasible to deliver solar power when it is needed.
Dec 12, 2025
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Spain publishes new network access rules, redefining connection of demand and storage
The National Commission of Markets and Competition (CNMC) will set access capacity, short-circuit limits, and monthly maps from February 2026. Meanwhile, the Ministry for the Ecological Transition (MITECO) has published guidance on calculating installed capacity for administrative authorizations, addressing both standalone and hybrid battery energy storage systems under the new Royal Decree 997/2025.
Poland selects 183 energy storage projects under $1 billion oversubscribed subsidy program
The requested funding for energy storage facilities, with a combined power output of over 20 GW and an energy capacity of 122 GWh, totaled nearly PLN 28 billion ($7.7billion) – almost seven times the program’s available budget.
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Sungrow provides support for Australia’s tough grid connection process
Labelled the “most difficult” in the world, Australia’s regulatory environment and grid connection process for new large-scale renewable energy generation and storage has also been lauded as the standard bearer for the global market.
Record year for UK small-scale battery storage
Surge in battery storage installations shown in installer data from UK accreditation body MCS. While 2024 is comfortably the best year on record, MCS Head of Scheme Alex Hughes tells ESS News she would like to see even more solar installers take on a storage accreditation.
Romania: Funds for battery storage projects, major solar+storage site comes online, progress on 1 GW pumped storage site
In its first, the Romanian government has allocated EU funds for two major battery energy storage projects via its National Recovery and Resilience Plan. A utility-scale solar-plus-storage site in the country's northwest has flipped the switch. Meanwhile, the nation's landmark pumped storage project has attracted Japan's Itochu and France's EDF as potential partners.
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Sembcorp to expand Southeast Asia’s biggest battery storage site
Built across two sites on Jurong Island, Sembcorp's lithium ion battery storage system will now be expanded to 311 MWh. Meanwhile, Singapore's Energy Market Authority (EMA) has awarded grants to local sodium-ion and vanadium-flow specialists in a bid to enhance grid stability, also via underground system deployment.
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Germany’s annual tax bill 2024 provides better conditions for municipalities hosting electricity storage facilities
Norwegian-German developer Eco Stor has been advocating for months for new regulations that would allow for 90% of trade tax revenue from energy storage systems in Germany to go into the pockets of local municipalities. The German federal parliament Bundestag has now approved this, but the green light from the constitutional body Bundesrat is still missing.
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