Prediction using unique calculator challenges view that sustainable energy means higher costs
Environment Agency hydro boss predicts feed-in tariffs will remain the same despite next year's consultation
But industry faces further uncertainty after government insists it will appeal in the new year
Figures reveal country is likely to produce its highest ever levels of electricity from renewable sources
Committees warn proposed cuts to solar subsidies could have 'fatal impact' on fledgling sector
Court rules in favour of solar firms, throwing government feed-in tariff plans into chaos
Government urged to rethink plans to slash feed-in tariffs from 12 December
Who said what in the world of green business this week?
Solar companies win right to challenge government proposals to halve feed-in tariff rates from December 12
Report questions cost and effectiveness of renewable energy