Shulman Advisory

Understanding Japan’s Capacity Market and the LTDA Framework

Publication date: Aug 1, 2025 Understanding Japan’s Capacity Market and the LTDA Framework In recent years, Japan has been investing in a capacity market to stabilize electricity supply and prices, while accelerating the introduction of decarbonized energy sources. This article explores the capacity market, which includes the single-year capacity auction and the Long-Term Decarbonized Power Source Auction (LTDA) — through …