PV systems in urban environment

The paper describes PV applications in urban area enmasse. When a large number of PV systems are introduced in the area, PV electricity will become very significant and overall optimization may be required for the total area. In terms of PV system configuration as a group as well as regional electricity supply network. Assuming these scenario options, recent trends are reviewed for residential zone, business area and Industrial application. Technical problems are also summarized for BIPV and electrical engineering.