With about 37,007 megawatts (MW) of solar PV power installed in 2013, world solar PV power capacity increased about 35% to 136,697 MW.
Commercial solar power hit grid parity in Italy, Germany, and Spain in 2013, meaning it was cheaper than retail electricity prices.
Feldheim, a small town in the corner of rural eastern Germany, has become a model for decentralized self-sufficiency and is 100% powered by renewables.
While foreign press repeatedly speaks of guaranteed profits from feed-in tariffs, German investors in wind and solar power have a different story to tell.
Worldwide wind energy capacity has more than doubled over the past five years and is set to gust ahead in 2014 led by installation booms in China and US.
Utilities attack solar tariffs because they are the main policy to promote solar. What they actually oppose is solar photovoltaics.