The biggest part of the increase over the last 15 years is in the wire side of the business. As natural gas has been fairly stable, as you said, the cost of power has been fairly stable. In contrast, distribution charges for the wires, transmission charges for those big power lines, those things have gone up something like 70% and 300%.So, we've done a lot on the wire side of the business to improve reliability. We've got to be a little bit smarter about how many investments we can continue to make now that ...