Rondo Energy commissions world’s largest industrial heat battery
Rondo Energy has started commercial operation of a 100 MWh industrial heat battery, described by the company as the world’s largest, at a fuel production facility in California. The system generates continuous high-pressure steam powered entirely by on-site wind and solar energy, providing a model for round-the-clock, low-carbon industrial heat. The unit began operations in October 2025 after two months of automated testing verified performance and safety. Operating above 1,000°C with over 97% efficiency, it…

