EDMONTON—A group representing residential power consumers wants a seat at any discussions involving alleged illegal behaviour by one of Alberta’s main power providers and is asking the regulator to release all information involving ATCO’s actions. Jim Wachowich, lawyer for the Consumers’ Coalition of Alberta, said ATCO is trying to “deflect attention” by keeping the matter out of the public. “This is a watershed event,” said Wachowich. ATCO said it has already disclosed much information and is working with the commission to settle the matter. In November, the Alberta Utilities Commission’s enforcement branch requested a hearing into its findings that ATCO Electric deliberately overpaid a British Columbia First Nation by millions for work on a new transmission line. It allegedly did so to secure lucrative contracts for another ATCO company to provide construction camps for the Trans Mountain Expansion oil pipeline project. Investigators said the company then allegedly tried to pass …