Evaluating solar water heating: Sun, renewable energy and climate change

In the late 1970s, central government began to promote solar water heating by providing financial support in the form of interest-free loans. Subsidies for solar water heaters continued right through until June 2012 as this investigation was coming to a close. There is now, however, increasing interest from local government. Thirty local authorities have become involved in promoting solar water heating or are considering doing so.