On behalf of the Organizing and Steering Committees, we sincerely welcome you to the 2026 International Power Electronics Conference, IPEC-Nagasaki 2026 -ECCE Asia-. The first IPEC was held in 1983, and since then, in 1990, 1995, 2000, 2005, 2010, 2014, 2018, and 2022 have been held in different locations, hosted by the Institute of Electrical Engineers of Japan (IEEJ). Since 2010, IPEC has had the additional function of the power electronics conference series which is held in the three countries rotation of China, Japan, and Korea, and has also been held as one of the ECCE Asia conferences due to cooperation with the IEEE Power Electronics Society and IEEE Industry Applications Society. After IPEC-Himeji 2022, the 10th International Power Electronics Conference, IPEC-Nagasaki 2026-ECCE Asia-, will be held from May 31st to June 4th, 2026 in Nagasaki, Japan. The conference venue is a DEJIMA MESSE Nagasaki which is in front of Nagasaki railway station and beautiful seaport in Nagasaki.