What are the sources for electricity in the US?  Electrical utilities generated over 3 trillion megawatt hours (mWh) of power in 2006 from4: 

1)  Coal –             1.5  trillion mWh
2)   Natural Gas –  272 billion mWh
3)   Petroleum –       41 billion mWh
4)   Nuclear –         458 billion mWh
5)   Hydro –            633 billion mWh

In the production of electricity clean coal and gas will be even more expensive.  Coal and
natural gas contribute over half of the US electricity production today. These sources of
power cannot be easily replaced within a generation or two. Even President Obama’s
Energy Secretary acknowledges this as fact………. read more HERE.