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New Energy Award 2002 
Photovoltaic Power Generation System for the New Itoman Municipal Government Building Itoman Municipal Government Kobe Steel, Ltd. Nihon Sekkei, Inc. Nissin Electric Co., Ltd. This is a photovoltaic power generation system with a capacity of 195.6 kW, installed on the south face and roof of a new municipal building, which also serves as a sunshade and makes the most of natural light. The actual power output reaches the planned value, and the capacity factor is higher than those in other Japanese regions. Since its shielding effect is excellent, the space cooling load can be significantly reduced, and its impressive design is expected to raise public awareness about energy saving and PV power generation.
Features of Equipment, System and Facilities
The photovoltaic power generation system installed on the roof and south face of the building acts as sunshade louvers. The solar cell louvers is to save 25% of the energy for space cooling (42,000 kWh/year of power), and is to generate 12 % of the electricity required in the building (211,000 kWh/year). The modules are provided as tempered glass laminates, and they are supported on two lateral sides in a structure, to withstand strong winds and salt damage.
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