Guardian: This has been the most challenging few weeks to date in the life of the nascent UK solar sector. After a short burst of unprecedented sales growth, with installations more than doubling between June and October, we had to intervene very quickly indeed to ensure the entire subsidy for this and other exciting micro-generation technologies supported by feed-in tariffs, wasn't swept away by excessive returns for a lucky few. At 43p/kWh, your average domestic solar PV panel receives more than four times...