Japan’s big electricity companies put obstacles in the way of renewable energy I. 日本の大手の電気会社が再生エネルギーの発展に障害になっている

(Source) http://nuclear-news.net/2013/09/16/japans-big-electricity-companies-put-obstacles-in-the-way-of-renewable-energy/
Since there are no regulations defining grid access, the restrictions can be imposed at will by the major utilities. 
In a survey by the Japan Renewable Energy Foundation, in Tokyo, as many as 60 solar power providers said they had given up selling power because of the grid access problems.
-a major stumbling block for renewable energy,
Renewable energy push blunted as ad-hoc rules stymie private upstarts, Japan Times,  KYODO SEP 15, 2013 Ever since Japan kicked off a system to encourage the use of renewable energy for electricity in July 2012, businesses, civic organizations and even local government bodies have been trying to break into the tightly held power market.
Under the so-called feed-in tariff system, utilities are required purchase any generated electricity derived from five types of renewable energy for a fixed price and a set time.
But the momentum seems to be slowing. Several potential power suppliers are dropping their bids after coming face to face with restrictions that make it difficult for them to link to the power grids run by the utilities, which are essentially monopolies. Read more »