The aim of this paper is to clarify the locational characteristics of electric supply enterprises and the local conditions which influenced each enterprise, through case studies in central Japan before 1938.As a result, we can identify three types of location of the electric supply enterprises:(1) The first type of the location of the electric supply enerprises was one in urban areas. In such areas, a typical case was the‘Nagoya Electric Supply Company’established in 1889 in Aich Prefecture. This company built many electric power stations in the upper reaches of Kiso River and began to supply electric power to the urban and manufacturing areas of Aichi Prefecture, and later further to the Osaka area which was developed as the largest manufacture region in this period. Thus, this company developed to the one of the largest electric supply enterprises in Japan, absorbing many other electric supply enterprises in this area, changing its name to‘Toho Electric Supply Company’in 1922. A new company, ‘Daido Electric Supply Company’was separated from the‘Nagoya Electric Supply Company’.In this process, the‘Toho Electric Supply Company’and‘Daido Electric Supply Company’ were developed together and could exchange their electric power to fill the increased demand from electric power stations spread increasingly at the upper reaches of large rivers supported by the improvement of techniques in the generation and transmission of electric power.(2) The second type was one located in the traditional manufacturing areas, such as raw silk manufactures in Nagano Prefecture in central Japan. Raw silk manufacturing had developed in central Japan before World War II, based on increasing exports. The Suwa area in Nagano Prefecture was famous for this manufacturing. In the early days, many managers of this manufacturing weren't interested in electric power as their power source. But, later, they introduced electric power to increase their production, and they planned eagerly to establish many electric supply enterprises and manage these enterprises.Thus, electric power that was produced by these companies was mainly demanded by such raw silk making manufacturing in the Suwa area in the middle of Nagano Prefecture.(3) The third type was one located in the mountain areas, which was established by the public sector, managed by the authority of towns and villages. In peripheral areas, especially in the mountain areas in central Japan, the supply of electric power had to be managed by public sectors in each small village, because the larger electric supply enterprises could not economically supply electric power to these areas, due to their low demand for electric power. Kamisato Village in Nagano Prefecture was one such case. At first, all of the villagers wanted electric power to be supplied by one of the electric power enterprises. But the enterprise agreed to supply electric power only to a part of this village. Thus a conflict between the electric power enterprise and villagers occured.After this, the villagers made a decision to establish a new public enterprise to supply electric power to each household in the village. This could be accomplished because the village had extensive forest land and forest resources, and created a large fund by cutting and selling timbers.
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