The process involves observing the numerical display on a device provided by the energy supplier, which indicates the total consumption of electricity. Subsequent steps require noting the present reading and subtracting from it the previous reading, allowing one to determine the amount of electricity utilized over a defined period. This result, often expressed in kilowatt-hours (kWh), forms the basis for understanding energy usage patterns and cost projections. For instance, if the current reading shows 1500 kWh, and the last reading was 1400 kWh, the electricity consumed is 100 kWh.
Understanding energy consumption empowers individuals and organizations to manage their energy expenses effectively. This knowledge facilitates identifying areas where consumption can be reduced, leading to potential cost savings and a smaller environmental footprint. Historically, monitoring energy usage was less accessible, but with the advent of advanced metering infrastructure, the process has become more transparent and data-driven. It allows consumers to become proactive participants in energy conservation.