The Northwest had the highest reported spot power price at $43.77/MWh.
The Midwest had the lowest price at $15.13/MWh. The Midwest saw its spot price drop more than 51% from the prior day.
Nymex energy futures prices for October delivery of natural gas and coal were $3.69/mmBtu and $51.92/ton respectively.
A link to the full EIA daily price report is available at http://www.eia.gov/todayinenergy/prices.cfm