Dave Elliott: As new technologies trying to compete with well-established technologies, renewables needed some interim help. In a new book, Renewable Energy in the UK: Past, Present and Future, I look at how that has been done. What stands out is that, whereas some countries have gone for direct aid or guaranteed price feed-in tariff systems, succeeding UK governments have mostly decided that market-price competition should be the main driver of renewable development. Although wider targets have sometimes been set, the financial support mechanisms have had a strong market competition element, with varying degrees of success:
Physics World 6th Feb 2019 read more »