1. http://www.solarbuzz.com/Consumer/FastFacts.htm  $.25 to .30 per kw solar.  Capital $9,000 per kw

2. http://www.instituteforenergyresearch.org/2009/06/11/facts-on-energy-solar/ $.40 kw  and nat. gas is $.08

3. http://forum.onlineconversion.com/showthread.php?t=267  10Kwh per cubic meter

4. http://www.convert-me.com/en/convert/units/energy/energy.mymmbtu.en.html    1mmbtu =293kwh  at $3.50 mmbtu =$.012 per kwh  at $12.00 =$.04

5. The $.08 per kwh in the second line is the cost from your local utility which based on the the roughly $12 mmbtu market price so the utility is marking natural gas up 100%.