The EROEI (Energy Returned on Energy Invested) for wind is far higher the nukes. Solar is also higher than coal, gas and nuclear. See
http://oco-carbon.com/2010/05/19/eroei-of-electricity-generation/Molten salt / fast breeder nukes do not exist which is why no one is building them.
Note: global renewable energy share increased 32% last year. Nuclear power declined 6%. Source IEA.