Southern California had the highest reported spot power price at $46.45/MWh.
The Midwest had the lowest price at $26.77/MWh.
Nymex energy futures prices for October delivery of natural gas and coal were $3.64/mmBtu and $51.40/ton respectively.
A link to the full EIA daily price report is available at http://www.eia.gov/todayinenergy/prices.cfm