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OKLAHOMA CITY — A rate review case filed at the Oklahoma Corporation Commission by Public Service Company of Oklahoma could result in a hefty bill increase for PSO customers.

Public Service Co. of Oklahoma has sued the Rogers County Commission and the county’s Board of Adjustment after the latter panel rejected a special exception request by PSO that the county required to ...

1 Day PSO -0.12% DJIA -0.01% S&P 500 -0.24% Energy -3.03% ...