Battery energy storage systems (BESS) have emerged as the defining feature of Australia’s Capacity Investment Scheme (CIS) Tender 7, with 2GW/7.9GWh of co-located energy storage successful.
Invinity Energy Systems has been enlisted to design and deliver the world’s largest flow battery, for a data centre project in Switzerland currently under construction by Flexbase.
The US installed 9.7GWh of new battery energy storage system (BESS) capacity, according to the US trade association group, the Solar Energy Industries Association (SEIA).
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The situation and uncertainty around grid connections and grid fees in Germany is evolving, possibly enabling market participants to look beyond the August 2029 grid fee exemption cut-off date – although uncertainty is still very high.
“Policy and market frameworks must evolve” in ASEAN countries to unlock the full value of energy storage in the region’s energy transition, according to a new report.
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At a recent industry event hosted by market research firm Wood Mackenzie, energy storage experts discussed their approaches to public engagement, especially around addressing fire and other safety concerns.
We caught up with the CEO of owner-operator BW ESS, Erik Strømsø, about the firm’s next deployment plans, tolling trends, procurement and LDES, with its 11.5-hour Bannaby BESS in Australia further proof of lithium-ion’s long-duration potential.
News
May 27, 2026
The California Energy Commission (CEC) has approved a 400MW/3,200MWh grid-scale battery storage project through the state planning agency’s Opt-In Certification Program.
News
May 27, 2026
The US can currently produce enough solar and battery energy storage system (BESS) modules to meet domestic demand, according to clean energy trade body American Clean Power (ACP).
News
May 27, 2026
Germany’s energy system regulator has confirmed that BESS projects coming online by 4 August 2029 will be exempt from charging and discharging grid fees, opening up investment again after months of uncertainty.
Features, Analysis
May 27, 2026
Solar Media Market Research analyst Charlotte Gisbourne looks at the changing revenue and margin dynamics in the BESS supplier landscape.
News
May 27, 2026
Adani Green Energy has commissioned over 3GWh of battery storage at the world’s largest single-location renewable energy project, in Khavda, Gujarat. 
News
May 27, 2026
MGA Thermal and Knode have commenced a Front-End Engineering and Design (FEED) study for a 195MWh electro-thermal energy storage project at Tronox’s Kwinana facility in Western Australia.
Features, Interviews
May 26, 2026
While Germany is often described as the ‘hottest’ energy storage market in Europe, growing uncertainty on multiple policy and regulatory topics has led to a ‘cooling’ of investor interest.
News
May 26, 2026
CATL will supply the BESS units for Grenergy’s two large-scale energy storage projects in Spain, both of which have decade-long tolls.
Analysis, Features
May 26, 2026
Solar-plus-storage projects are proliferating across the globe and necessitate a choice between DC and AC coupling. In this piece we look at the differences and pros and cons of each.
Features, Guest blog
May 26, 2026
India is seeing its first major grid-scale battery storage deployments, but efforts to domesticate the upstream supply chain are still at an early stage.

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