As we welcome the end of another year and greet the next, here are the top 10 most-read news stories from 2025.

Compressed air energy storage (CAES) developer Cache Power is partnering with construction company EllisDon to deliver a CAES facility in Northeast Alberta, Canada.

E-Storage, Canadian Solar’s energy storage subsidiary, has been contracted to provide engineering, procurement, and construction (EPC) services on the 411MW/1,858MWh Skyview 2 battery energy storage system (BESS) in Edwardsburgh Cardinal, Ontario, CA.

LG Energy Solution and Stellantis’ joint venture (JV), NextStar Energy, Canada’s first large-scale lithium-ion (Li-ion) battery manufacturing plant, is expanding to produce energy storage system (ESS) batteries.

A total of 49.4GW/136.5GWh of grid-scale BESS came online in the first nine months of the year, up 36% compared to the same period in 2024.

In a recent report from trade association Energy Storage Canada (ESC), energy storage was cited as “a critical component of future electricity grids” for the country.

Two North American companies, Powin and Li-Cycle, were recently acquired by FlexGen and Glencore, respectively, after announcing bankruptcy.

ESN Premium grills Matt Harper of Invinity Energy Systems on the flow battery company’s new partnership with China’s UESNT.

Competition from Chinese manufacturers put Powin on a tricky footing, even before industry headwinds dealt the company what appears to have been a lethal blow.