Key facts
- Mitsubishi Heavy Industries will restart a dormant shipbuilding line in fiscal 2027.
- The line will build a new replenishment vessel for Japan's Defense Ministry.
- The company is investing approximately 100 billion yen in the expansion.
- Government subsidies could cover up to 40 billion yen of the investment.
- The expansion aims to increase shipbuilding capacity amid rising demand and economic security concerns.
Mitsubishi Heavy Industries will restart a dormant shipbuilding line in fiscal 2027 to build a new replenishment vessel for Japan's Defense Ministry. The company is investing approximately 100 billion yen to expand shipbuilding capacity at its Shimonoseki shipyard, with potential government subsidies covering up to 40 billion yen. This expansion is driven by rising demand for ships and economic security concerns. Mitsubishi Shipbuilding plans to relocate operations and construct a new hull block manufacturing facility on the artificial island of Choshu Dejima. Construction is expected to begin in April 2027, with operations targeted for March 2030.