Saudi Arabia commissions its largest battery energy storage system

Saudi Arabia has connected its 500 MW/2000 MWh Bisha battery energy storage system (BESS) facility in the southwestern province of Asir to the grid.

The Bisha battery storage facility, owned by Saudi Electric Company (SEC), features 122 prefabricated storage units, designed and supplied by China’s BYD. Each unit integrates a 6 MW power conversion system (PCS) alongside four lithium iron phosphate (LFP) battery modules, each with a capacity of 5.365 MWh. This modular approach is described as optimizing space utilization, enhancing system integration, and minimizing potential failure points.

The EPC works on the project were carried out by a consortium between State Grid Corporation of China and Riyadh-based developer Alfanar Projects.