TEPCOみはりばん is a disaster prevention app by Tokyo Electric Power that allows users to receive power outage information based on their registered address. It also provides various disaster and evacuation information. The app can notify users on gas leaks, fires, carbon monoxide emissions, and household power outages in coordination with compatible alarm systems.

One of the key features is the detection alerts from registered alarm systems for gas leaks, fires, carbon monoxide, and power outages, enabling quick responses when away from home. Additionally, the app offers guidance on necessary actions to take at home or outside in response to detected alerts, promoting timely and appropriate reactions.