DENVER — Xcel Energy customers will see a change in their electricity billing structure this October when the company shifts its most expensive "on-peak" electricity rates from 3-7 p.m. to 5-9 p ...

It might not feel feel like fall, but now that it's October, Fort Collins Utilities is again switching up its "peak hours" for billing. Peak hours, when electricity costs three times as much as it ...

THE ORLANDO UTILITIES COMMISSION UNANIMOUSLY VOTED FOR ITS NEW PEAK SHIFT PLAN, WHICH WILL AFFECT SOLAR POWER CREDITS AND MONTHLY POWER BILLS. WESH TWO GREG FOX IS LIVE AT OUC HEADQUARTERS RIGHT NOW.

On the hottest afternoons this summer, when residents across New England cranked their air conditioners, something noteworthy happened. Thousands of internet-connected thermostats, home solar ...