Located at the Sejingkat Power Plant in Kuching and energised in December 2024, the 60MW/82MWh BESS provides essential grid services, including primary spinning reserve (emergency reserve), voltage and frequency regulation and peak demand management, supporting the overall. Located at the Sejingkat Power Plant in Kuching and energised in December 2024, the 60MW/82MWh BESS provides essential grid services, including primary spinning reserve (emergency reserve), voltage and frequency regulation and peak demand management, supporting the overall. Since peninsular of Malaysia has high solar potential,hence the government plans to install utility-scale battery energy storage systems to support solar power generation in the country. Additionally,the renewable energy capacity target is predicted to be achieved with the introduction of BESS. However, without effective energy storage, excess solar power is wasted, and energy independence remains out of reach. 15MWH, bringing Malaysia's energy green transition one step closer. The 60 MW/82 MWh BESS,which. Keywords: Energy storage systems Potential benefits Power systems Renewable energy Malaysia ABSTRACT Energy storage systems (ESSs) play a pivotal role in improving and ensuring the performance of power systems, especially with the integration of renewable energy sources. This is evident from the.