New York City had the highest reported spot power price at $51.86/MWh. Louisiana had the lowest at $36.50/MWh.
Nymex energy futures prices for September delivery of natural gas and (October delivery of) coal were $3.57/mmBtu and $51.85/ton respectively.
A link to the full EIA daily price report is available at http://www.eia.gov/todayinenergy/prices.cfm