Energy storage developers are securing significant capital and strategic partnerships, with ESS Inc launching a 50MWh iron flow battery pilot, Energy Vault closing a US$300 million investment, and NineDot obtaining US$175 million in debt financing.

A flurry of grid-scale BESS project progress totalling more than a combined 1.5GWh in the past week, from Renalfa in Bulgaria, Engie in Romania, Nala Renewables in Finland and Metlen in Greece.

Takeaways from the first day of Energy Storage Summit Latin America 2025, including the Chilean and Argentinian markets.

Publicly-owned energy company CleanCo Queensland’s 250MW/500MWh Swanbank battery energy storage system (BESS) has officially registered with AEMO and commenced its testing and commissioning phase.

According to a new report from the US Energy Storage Coalition (ESC), PJM faces an urgent near-term requirement for affordable capacity to accommodate large loads expected through 2032.

IPP Eolian has closed a US$463 million financing package to support the continued construction of Padua 2 and Padua 3, two battery energy storage systems (BESS) totalling 350MW/1.7GWh in Bexar County, Texas.

Thermal energy storage (TES) technology company Kyoto Group’s latest project will displace the use of natural gas at a corn processing plant in Hungary, Europe.

Spanish IPP Grenergy has begun construction on a 340MW solar project with 960MWh of energy storage in El Cabrero, located in Chile’s Biobío region. 

Developer Epic Energy has commenced commercial operations at its 100MW/200MWh Mannum battery energy storage system (BESS) in South Australia.

Battery storage equipped with optimisation platforms not specifically designed for Australia’s NEM missed revenue opportunities during the 10 October price spike, according to Sahand Karimi, co-founder and CEO of OptiGrid.