電力事業の競争促進

概要

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The electricity industry has been reformed from natural monopoly to competitive condition by deregulation in 1990's. We investigate industrial characteristics, aims of reform, type of competition, and policy direction. In the UK ownership unbundling of generation and transmission sector was implemented when nationalized incumbent was privatised in 1990. Grid company operates power pool which is effective for promoting competition in generation sector. After retail supply market has been deregulated completely, all customers can choose supplier without restriction. In Japan electricity market is gradually deregulated in generation by competitive bidding, and in a part of retail supply sector by wheeling. Vertical integration of existing companies is not unbundled, then wheeling tariff will influence on competition. Only large customers can contract to buy electricity from new entrants such as steel companies. As competition is penetrated into electricity market, it is important to keep policy harmonization between countries. We have to establish the independent authority in order to foster competitive circumstances.
関西学院大学の論文
1999-12-31