"My electricity bills feel high, but I can't figure out why"—Have you ever felt this way while renting? To save on utility costs, the first step is understanding "where and how you're using electricity." Let's explore how smart meters and smart appliance choices can help you visualize your utility expenses.
What Is a Smart Meter?
A smart meter is a digital electricity meter that can measure and transmit power consumption data in real time. Since 2016, electrical utilities have been promoting smart meter installation nationwide, and as of 2026, most Japanese households have smart meters installed.