Energy and water supply services are important for life and business continuity and disaster recovery. This study presents an outline of the investigation about building power equipment, problems faced, and correspondence during the rolling blackouts following the power shortage after the 2011 Great East Japan Earthquake. The subjects of the study were approximately 100 disaster base hospitals, all of which have non-utility generation facilities in the Greater Tokyo Area. The results of this research provide a basis for future building equipment design for disaster mitigation.
