Wanted to share a lesson learned from a recent Idaho Power audit. Compared the interval data against the bill and found 3 months of missing interval data. Compared the interval data against the bill and found 3 months of missing interval data.
CenterPoint Energy meter multiplier error on church account — $147,000 overcharge
Be careful with PEPCO''s refund process — they sometimes try to limit the lookback period to 5 years.
Had the exact same problem with DTE Energy last year. Took about 18 months to resolve but got full refund.