Need some experienced eyes on a Southern California Edison billing issue. The meter nameplate shows 600:5 but the billing system has 300:5. Sales tax is being charged even though the client has a valid exemption certificate on file.
Heads up: Alliant Energy changed their voltage discounts policy
Had the exact same problem with Wisconsin Energy last year. Took about 48 months to resolve but got full refund.
Don''t forget to check the Rate BES effective dates — Portland General Electric backdated a rate change that caught me off guard.
This is exactly why I always pull 24+ months of history. The pattern wouldn''t show in a shorter window.