This positive trend in retail sales began during the first quarter of 2010 and we anticipate it to continue as we move forward through the year. As we discussed during our first quarter earnings call, we are expecting to see future load and employment growth in our service territory from new distribution facilities such as Caterpillar and increase in usage as industrial customers start adding shifts and returning to more robust production levels and from Wright-Patterson Air Force Base as new missions continue to transition to the base.Although it will take time to realize the full benefit from this load growth, we believe it is an indication that the recent economy has stabilized and is beginning to recover. As you know retail competition within the State of Ohio has increased over the past year to the depressed power prices. As you can see on the slide approximately 25% of the DP&L 's retail load through the second quarter this year has been supplied by CRES providers; of this 25% of switch load, 99% was provided by DPL Energy Resources, which is our retail marketing subsidiary. Based on annualizing the volumes associated with switched accounts to-date, we estimate 35% of DP&L 's load is being supplied by CRES providers; of this 35%, we estimated that DPL Energy Resources is serving approximately 96% of the total switch load. The impacts of switching on second quarter gross margin was approximately $3 million and for the calendar year 2010, we now estimate the impact will be approximately $15 million. Turning to plant operations, combination of improved plant performance has seen through our lower forced outages rates and increased wholesale power pricing, results in higher generation output for the quarter. As you may recall, Zimmer and (inaudible) stations had extended outages during the second quarter of 2009. With both units operating as expected during the second quarter of 2010, we realized an 8% increase in output from our generation fleet.
Additionally, average on peak power prices during the second quarter of 2010 were $5 per megawatt higher than during the second quarter of 2009, mostly due to warmer than normal weather across the PJM footprint. Because of our improved plant performance, we were able to capitalize on the higher power prices resulting in an increase in wholesales volumes and revenues and the reduction in purchase power volumes. We remain committed to excellent plant performance and strive to continually improve our operationally efficiency.With that, I will turn the presentation over to Fred for review of the quarterly financial results. Read the rest of this transcript for free on seekingalpha.com