I think the report of SNL energy is incorrect.
The EIA’s numbers, citing the most recent data indicate that coal remains the biggest...
http://www.eia.gov/totalenergy/data/monthly/pdf/sec7_5.pdf
“and new regulations make coal more risky for power generators.”
So tell us, coal miners, enjoying your support of obama in 2008 now?
The percentage of coal generated electricity could have been reduced by building new plants powered by alternative energy sources. There was no need to shut down existing plants unless they became to expensive to operate even without government interference.