NSW has approved the 125 MW / 1,000 MWh Stoney Creek BESS, backed by a 14-year LTESA; site works start Q4 2026 and commercial operations target H1 2028.

EnergyPathways has closed a £15 million financing package and begun FEED for its long-duration energy storage (LDES) project while securing Gas Storage

Virginia’s 2026 energy plan includes long-duration storage to help meet rising demand, limit bill increases and assign data-center grid costs fairly.

EnergyPathways’ MESH would use salt caverns for 300 MW/55.2 GWh CAES; CEO Ben Clube says FID is targeted for 2028 and first operations by end of 2031.

EnergyPathways is advancing the Marram Energy Storage Hub (300MW/55GWh) alongside gas and hydrogen projects, and seeks financing for a £1.02bn-£1.20bn

ANU study: long-duration storage (pumped hydro) can run Australia’s National Electricity Market without fossil gas at similar total cost over time.

Long-duration energy storage is central to UK resilience: infrastructure firms point to Ofgem LDES funding, grid upgrades and standardisation.

Keele University will pilot Offgrid Energy Labs’ ZincGel battery, a zinc‑bromine long‑duration system to capture about 1 MWh of surplus renewables monthly.

Invinity Energy Systems moved after publishing interim results on 22 September 2026; shareholders are watching order momentum and manufacturing progress.

Pylontech began mass production of 588Ah and 601Ah large-format LFP cells for utility/commercial ESS, links 601Ah to PyOcean and notes open questions.