Rondo Energy, a company specialising in high-temperature thermal storage, has announced the commissioning of its first industrial battery in Southeast Asia, in partnership with SCG Cleanergy, the energy subsidiary of conglomerate Siam Cement Group (SCG). The unit, integrated into a cement production facility in Saraburi Province, provides 2.3 MWth of continuous thermal capacity from local renewable sources, including a floating solar farm.
Continuous electricity generation for heavy industry
The battery, composed of standardised bricks and heating elements, delivers superheated steam to a steam turbine generating electricity for use in the plant’s industrial processes. The system enables round-the-clock power output from intermittent sources. According to Rondo Energy, it is currently the only industrial heat battery in operation globally generating power through high-pressure steam.
Modular platform tailored to various sectors
The installation is based on Rondo’s new modular platform, which allows for battery configurations ranging from 33 MWh to more than 1 GWh. The standardised design targets the needs of various industrial sectors, from food processing units to metal refineries and chemical plants requiring over 100 MWth. The platform enables configuration of output power, steam conditions, storage capacity and charging rate based on local requirements.
Local manufacturing and regional supply chains
The project was built entirely in Thailand, leveraging local suppliers for fabrication and assembly. This approach illustrates Rondo’s ability to replicate projects cost-effectively by adapting a standardised architecture to local industrial ecosystems. SCG Cleanergy now plans to develop further industrial heat projects across Southeast Asia using the same technology.
Global rollout and industrial scale-up
This announcement follows the recent commissioning by Rondo of the world’s largest industrial heat battery in California. The partnership with SCG Cleanergy positions Thailand as an emerging hub for the manufacturing and deployment of clean industrial heat solutions. The construction of this first unit in eight months also highlights the execution speed of Rondo’s model.
