China has targeted procurement policies for clean energy, and a variable feed-in tariff for wind power.
He's sometimes referred to as the father of the feed-in tariff that has helped wind and solar power succeed in Germany.
They're guaranteed a price - a feed-in tariff - for their electricity when they sell it into the grid for 20 years.
The most energy-intensive consumers are shielded from the feed-in tariff, leaving ordinary folk, including pensioners and the unemployed, to foot the bill.
But shadow energy secretary Caroline Flint said the changes could amount to a 70% cut in the feed-in tariff (FIT) subsidy in just six months.
Aerial mapping and analysis shows that some of the best roofs to invest in to harness this feed-in tariff are on rooftops of inner city Angelenos.
Well, not if this group of companies in exactly that position succeed in their legal challenge to the government's entire review of the Feed-in Tariff.
When the federal government tried to speed up cuts in the feed-in tariff for solar power, several states put up a fight, forcing a partial retreat.
Former Labour minister Ben Bradshaw accused the government of "staggering arrogance" over the "feed-in tariff fiasco", and called for ministers to abandon the "costly and doomed legal case".
They are less efficient than a carbon price and distort the market witness Spain's solar feed-in tariff, which caused a boom in the industry, followed by a bust this year.
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There's also the question of those who had already invested in solar schemes - in the reasonable expectation of benefiting from the Feed-in Tariff - before the government decided to change the rules.
Germany has become a leader in solar and wind through public-private financing mechanisms to finance energy innovation as well as strong demand side policies, such as the solar feed-in tariff policy adopted by the government in 1991.
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Given that there is a lot of anger about the way the government slashed the subsidy for small-scale, low-carbon power generation, through the feed-in tariff, he is bound to accuse ministers of inconsistency in their avowed backing for new green industries.
The nature of the cuts became clear this week with an announcement from the Greek Ministry of Environment, Energy and Climate Change (YPEKA) that feed-in tariff rates would be reduced by 40 percent for those projects installed after February 1, 2013 and before January 31st, 2014.
Feed-in tariff subsidies, which enable people who install solar panels on their roofs to get rebates for the electricity they put back into the grid, were halved for people who had their panels installed after 12 December - a move which Labour says has "strangled" the solar panel industry.
This expansion and the valuations of the established Chinese makers was in part built on hopes that China would implement a German-style feed-in-tariff subsidy program, something China was talking about around the time of the Copenhagen climate meeting.
Despite healthy volume, average selling price continued to decline as the Euro weakened and Germany transitioned to a new, lower feed-in-tariff regime.
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If European countries decide, however, to cut solar power subsidies and make changes to feed-in-tariff (FiT) structure, this can negatively impact the sales and profits of First Solar and competitors like Suntech Power and SunPower.
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