Southern California had the highest reported spot power price at $68.96/MWh. The Midwest had the lowest at $30.17/MWh.
The Northwest saw its price drop more than 20% to $44.25/MWh.
Nymex energy futures prices for October delivery of natural gas and coal were $3.68/mmBtu and $50.84/ton respectively.
A link to the full EIA daily price report is available at http://www.eia.gov/todayinenergy/prices.cfm