Just ran into an interesting situation with Empire District Electric in Great Falls. I''ve calculated total overcharges at approximately $196,000 going back 6 years. Three of the 18 months show estimated reads with no true-up.
New PUC ruling in SD — impacts on auditing
Pro tip: ask for the billing determinant detail, not just the bill summary. The devil''s in the details with PPL Electric.
I''d recommend requesting the meter test records from CPS Energy. That''s what cracked my case open.
Had the exact same problem with Idaho Power last year. Took about 36 months to resolve but got full refund.