Electricity metering for modern electric grids

This white paper outlines the latest changes to the IEC electricity metering equipment standards, revised in 2020 to ensure that electricity meters keep up with the advancements of technology and answer the growing customer expectations of more robust and more accurate measurements for billing applications in the modern electric grids. The scope of these changes includes a specification of the highest active energy accuracy class 0.1S, requirements for metrological stability and improved performance under external influences, including highly distorted signals.