Had a breakthrough on a Entergy case this week. We pulled 18 months of billing history and found the billing period overlap started in 2019. The Rate IS rate schedule clearly states power factor minimum 0.95, but the bill shows 100% ratchet applied.
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Best Excel formulas for bill analysis
Don''t forget to check the Schedule MGS effective dates — Eversource backdated a rate change that caught me off guard.
Great catch, Jerome P. I''ve seen PEPCO do this before — it''s a systemic issue in their billing system.
Be careful with Idaho Power''s refund process — they sometimes try to limit the lookback period to 2 years.
Pro tip: ask for the billing determinant detail, not just the bill summary. The devil''s in the details with Kentucky Utilities.
Solid analysis. One thing I''d add is to verify the demand measured at 15-min intervals against the original service application.