Of course in terms of the cost to our customers or their bills, we have been executing major construction programs over the past several years. And we have been able to bring these construction programs in on budget and on time, which helps us then manage the overall bill impact. You can see how we compare to the national average in all of our major jurisdictions. We're below our national average.

Our customers also where we had the opportunity would like to have choice in terms of demand side management programs. We probably have some of the most mature demand side management programs in the U.S. particularly our CIT programs in Minnesota. We are paid incentives relative to those programs. Last year, 2011, it was a contribution of $71 million to our earnings. Overall, we believe we've avoided building 3,200 megawatts of generation.

On the renewable side, we also have voluntary wind source program in our major jurisdictions, so if customers want to be more green, they can opt for that. And we also have customer incentives available for residential or small businesses that want to put rooftop solar on either their home or their business.

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