Latest inventions in science and technology Battery energy storage system(BESS) Context: The Tamil Nadu Electricity Regulatory Commission (TNERC) has issued draft regulations for Battery Energy Storage Systems (BESS) and invited comments and suggestions from stakeholders on or before May 30, 2026. The proposed regulations aim to promote power procurement and deployment of BESS across the state to strengthen grid stability. About BESS Battery Energy Storage Systems (BESS) are advanced electrochemical devices that store electricity in chemical form and discharge it when required. Working: Batteries receive electricity from the power grid, straight from the power station, or from a renewable energy source like solar panels or other energy source, and subsequently store it as current to then release it when it is needed. Need: The National Electricity Plan 2023 estimates that 236 GWh BESS would be required by 2031-32. Main components: Batteries: Store electrical energy (most commonly lithium-ion). Power Conversion System (PCS): Converts DC electricity from batteries to AC for use on the grid, and vice versa. Battery Management System (BMS): Monitors and controls battery performance, health, and safety. Energy Management System (EMS): Coordinates the operation of all components for optimal performance. Significance: This will not only enhance the integration of renewable energy into the electricity grid but also minimize wastage while optimizing the utilization of transmission networks. This will reduce the need for costly infrastructure upgrades. This scheme is designed to harness the potential of renewable energy sources such as solar and wind power, the scheme aims to provide clean, reliable, and affordable electricity to the citizens.
