Energy meters are devices that measure the amount of electrical energy consumed by a building or appliance. They provide important information about energy usage, helping users monitor their consumption and manage costs. Energy meters can be analog or digital, with digital versions often offering more features, such as real-time data and remote monitoring. These meters are essential for utility companies to bill customers accurately based on their energy usage. They can also help promote energy efficiency by allowing users to identify patterns in their consumption and make informed decisions about reducing waste. energy efficiency, utility companies