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Rendering of a large-scale flow battery project, with electrolyte tanks and battery stacks in foreground, surrounded by renewable energy generation and industrial operations.

Non-lithium energy storage startups Fourth Power, Unbound Potential and XL Batteries raise financing

September 24, 2025
A trio of energy storage startups: XL Batteries, Unbound Potential and Fourth Power, have raised financing for emerging flow battery and thermal storage technologies.
Image: Clean Energy Associates

Beyond lithium? Why alternative battery chemistries are promising—but not ready

May 7, 2025
Alternative technologies to lithium-ion are unlikely to oust the incumbent anytime soon, writes Anh Vu of Clean Energy Associates (CEA).
Battery testing. Operation of BESS assets is becoming ever more complex, meaning more work needs to be done even before they reach the field. Image: TWAICE.

The evolving BESS market in 2024: A key year for safety, new technologies, and long-duration energy storage

February 19, 2024
The way we think about battery storage tech is evolving as quickly as the industry is, writes Dr. Matthias Simolka, product manager at battery data analytics provider TWAICE.
Anthony Price (far left) at this year's International Flow Battery Forum in Prague, Czechia. Image: IFBF via LinkedIn

Momentum gathering in the flow battery industry

September 5, 2023
Energy storage and clean energy advocate Anthony Price, organiser of the annual International Flow Battery Forum, returns to Guest Blogging.
ESS-Inc-at-RE-2022

IRA tailwinds will take time to translate into revenue growth, flow battery player ESS Inc says

May 10, 2023
Inflation Reduction Act has created buzz but not yet business deals for flow battery maker ESS Inc, according to CEO Eric Dresselhuys.
Redflow's first US project was this 2MWh deployment at a biofuels production facility in California. Image: Redflow. Image: Redflow.

US DOE offers funding for flow battery scale-up while providers make inroads in California market

April 19, 2023
DOE has opened a funding opportunity for work to address gaps or weaknesses in manufacturing of solid-state and flow battery technologies.
Panellists at the LDES technology session, moderated by analyst Sam Wilkinson (left). Image: Gareth Davies / Solar Media

World needs ‘collaborative competition to capture US$4 trillion long-duration opportunity’

March 1, 2023
Long-duration energy storage was firmly on the agenda and among the talking points of attendees at Energy Storage Summit EU in London.
Noon Energy team including founder Chris Graves (centre) at the company's facility in Palo Alto, California. Image: Noon Energy.

Aramco Ventures among investors in ex-NASA scientist’s long-duration carbon-oxygen battery

January 19, 2023
Noon Energy, developer of a novel carbon-oxygen battery for long-duration storage, has raised US$28 million in a Series A funding round.
Inauguration for HiNA Battery Technology and Three Gorges Corporation's sodium-ion production facility. Image: China Three Gorges Corporation.

United Airlines invests in sodium-ion as first gigafactory for new battery tech opens in China

December 5, 2022
United Airlines has become an investor in Natron Energy as the world’s first sodium-ion gigafactory is opened in China.
Awardee Sunamp makes thermal 'heat batteries'. Pictured is CEO Andrew Bissell at the company's premises in East Lothian, Scotland. Image: Sunamp.

Long-duration energy storage projects get US$40 million from UK government

November 29, 2022
UK government Department for Business, Energy and Industrial Strategy has provided US$39.67 million to five energy storage projects.

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EDF, Enlight advance solar-plus-storage projects in Southwestern US

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Nightpeak Energy commences operation of 300MWh Texas BESS

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SPP utility to invest over US$600 million in 1.9GWh BESS projects to address ‘significant capacity deficit’ 

Origin, Eku Energy submit 2,200MWh of battery storage applications to Australia’s EPBC Act

Italy’s ‘exceptionally competitive’ first MACSE energy storage auction concludes, procuring 10GWh

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