Tohoku Electric Power Co., Inc. is an electric utility company that serves 7.6 million individual and corporate customers in the six prefectures of the Tohoku region and Niigata prefecture. It provides electricity at 100 V, 50 Hz, although some areas use 60 Hz.
Tohoku Electric Power, which sources around 10% of its LNG from Sakhalin, said it is diversifying its imports to guard against a sudden cutoff.