Long-term storage grows by 49% in 2025 despite the financing crisis
A report by Wood Mackenzie indicates that the deployment of long-duration energy storage (LDES) technologies exceeded 15 GWh in 2025, but declining venture capital investment and falling lithium battery costs are hindering their commercial viability.
Canada’s Cache Power advances 30 GWh compressed air storage project
Cache Power has commissioned an engineering study for a 640 MW compressed air energy storage and hydrogen project in Alberta, supported by provincial funding.
Why Big Tech could outpace utilities in deploying multi-day storage
With hyperscalers searching for clean, round-the-clock power, developers see a new market for battery systems that can run for 100 hours or more.
RFP alert: Massachusetts takes steps toward 40 GWh of energy storage
The Commonwealth issued a draft request for proposals of 1.5 GW of batteries with storage durations of 4 to 10 hours, primarily funded through the state’s Clean Peak Standard. The procurement is part of a broader effort to procure 5 GW of energy storage by 2030.
Largest hydrogen plant in North America slated for California
Element Resources will use solar power and battery storage to ensure 24/7 production.
Alabama’s first utility-scale battery system planned for former coal site
The BESS will be a standalone lithium iron phosphate system that will charge up to 150 MW of electricity with a two-hour duration.
Quidnet Energy demonstrates long-duration Geomechanical Energy Storage at MWh scale
The company’s patented Geomechanical Energy Storage technology uses excess electricity from the grid to store water beneath the ground under pressure, delivering that energy later to provide reliable power to the grid.
Go with the flow (batteries)
There is a gap in the market for long-duration energy storage (LDES), according to US-based manufacturer ESS Inc. – one which can’t be plugged with lithium-ion chemistry. Hugh McDermott, of ESS Inc. tells pv magazine how he thinks iron flow batteries fit into the energy system of the future, as the company pursues global expansion.
Iron flow battery manufacturer secures $50 million investment
Publicly-traded ESS Tech announced it received an investment from the Export-Import Bank of the United States to expand its manufacturing capacity in Oregon.
Sunrise brief: Solar visionaries to bring 5 GW module and 5 GW cell manufacturing to Tennessee
Also on the rise: NY invests $5 million in long-duration energy storage. Solar-powered bus depot features green hydrogen production. And more.
