The Chai Badan Substation – Battery Energy Storage System is a 21,000kW energy storage project located in Chai Badan, Lop Buri, Thailand. The rated storage capacity of the project is 21,000kWh.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2017.


The Chai Badan Substation – Battery Energy Storage System is owned by Electricity Generating Authority of Thailand (100%).

The key applications of the project are renewable energy integaration, electric energy time shift and grid support services.

Contractors involved

Electricity Generating Authority of Thailand is the owner.

Larsen & Toubro (Oman) is the EPC contractor for the project.

Additional information

Consortium consists of Larsen & Toubro Construction, has been awarded a contract to supply and construct Battery Storage System.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.