Tokyo Electric Power Company Holdings, Inc. (TEPCO) is Japan’s largest electric utility holding company, serving the Kanto region centered on Tokyo. Through group companies, it oversees power generation (thermal, nuclear, and renewable), transmission and distribution, and retail electricity supply. TEPCO was reorganized into a holding structure in 2016 and operates major subsidiaries including TEPCO Fuel & Power, TEPCO Power Grid, TEPCO Energy Partner, and TEPCO Renewable Power.
For energy‑intensive sectors such as chemicals, TEPCO provides grid access and electricity supply essential to continuous operations, along with services related to demand management, energy efficiency, and integration of renewable power. The company is involved in initiatives supporting Japan’s decarbonization goals, including expanded renewable generation, grid modernization, storage, and emerging hydrogen and power‑to‑gas technologies. TEPCO also manages decommissioning and safety programs at its nuclear facilities, including Fukushima Daiichi, and participates in Japan’s wholesale power markets.
Headquartered in Tokyo, TEPCO engages with industrial customers on power reliability, flexibility, and emissions reduction pathways, reflecting its role in underpinning Japan’s energy system and supporting the transition to lower‑carbon industrial operations.