Southern California had the highest reported spot power price at $71.13/MWh. The Midwest had the lowest at $31.15/MWh.
Nymex energy futures prices for October delivery of natural gas and coal were $3.58/mmBtu and $51.13/ton respectively.
A link to the full EIA daily price report is available at http://www.eia.gov/todayinenergy/prices.cfm