節電チャレンジby東北電力 is a lifestyle app developed by ENCORED JAPAN Inc. The app aims to reduce customers' electricity bills this winter and improve electricity demand and supply. It is available from December 1, 2022, to March 31, 2023, as part of the Ministry of Economy, Trade, and Industry's subsidy program for promoting electricity-use efficiency and the "Winter Energy-Saving Challenge Campaign" by Tohoku Electric Power Co., Inc.

The app's main features include easy participation in the energy-saving challenge by tapping the push notification, receiving useful information, and exclusive deals. However, entry to the "Winter Energy-Saving Challenge Campaign" is required to use the app.

Please note that any inquiries related to the "Winter Energy-Saving Challenge Campaign" should be directed to the Tohoku Electric Power Co., Inc. Winter Energy-Saving Challenge Campaign Office. Contact details for low-voltage and high-voltage/special high-voltage customers are provided.