SCG Cleanergy & Rondo Energy to Deploy World's First Heat Battery to Power Cement Production

Southeast Asia's first heat battery – the world's first commercial heat battery at a cement plant – opens the path to simple, low-cost industrial decarbonization.

Rondo Energy, and SCG Cleanergy, a wholly owned subsidiary of Siam Cement Group (SCG), announced that the companies have begun construction of a Rondo Heat Battery (RHB) in Thailand.

Rondo Heat Batteries capture intermittent electricity, store energy as high temperature heat in brick, and deliver continuous industrial heat and power on demand. This installation will convert local solar power into continuous zero-carbon heat and power for SCG's cement plant in Saraburi Province, Thailand.

SCG Cleanergy is a leading clean energy investor and developer in Southeast Asia, with capacity in operation and in pipeline over 550 MW in Thailand. In 2023, SCG Cleanergy's parent company SCG announced plans to expand the production capacity of Rondo Heat Battery storage to 90 GWh per year at SCG's facility.   

About Siam Cement Group ("SCG")

SCG, one of ASEAN's leading conglomerates, operates business in compliance with ESG principles and sustainable development goals in the economy, society, and environment underpinned by good governance. SCG comprises three core businesses: Cement-Building Materials Business, Chemicals Business, and Packaging Business.