TXU Energy plans to cut residential electricity rates by up to 15 percent.
Spokesman Tom Stewart says the cuts will average about 10 percent but could be as high as 15 percent depending on where the customers live.
Stewart says the company also is offering lower rates starting Aug. 1 to new customers who switch from other companies and to existing customers who want longer-term plans.
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Those lower rates are 3 to 30 percent lower than TXU's April 2 rates, depending on where the customers live and which plan they choose, Stewart says.
TXU says it's cutting rates because of lower wholesale electricity prices and that the term rates are its lowest since 2005.