Steam Boilers, Steam Turbines and flat mirrors are a matured technology, have been in use for 100 years
On Wed, Mar 5, 2014 at 10:34 AM, Jed Rothwell <[email protected]> wrote: > ChemE Stewart <[email protected]> wrote: > > >> 400 MW Natural Gas plant would cost $400M VS. $2.2b with much less >> equipment and would generate CO2 to feed the trees. :) >> > > On the other hand, over the life of a natural gas plant you have to pay > for a lot of gas, whereas sunlight is free. > > $2.2 billion is a lot of money, but the cost should fall if the technology > continues to be developed. It comes to $5.5 per gigawatt. That is cheaper > than nuclear power. The Southern Company is now building two nuclear > plants, for a total of 2 GW I think. The cost is $14 billion, $7 billion > per GW: > > > http://online.wsj.com/news/articles/SB10001424052748704804204575069301926799046 > > That is despite the fact that nuclear power has been developed for 60 > years. Plus nuclear uranium fuel does cost something, albeit less than coal > or gas. > > - Jed > >

