Had a breakthrough on a TVA case this week. We pulled 36 months of billing history and found the CT ratio mismatch started in 2013. The meter nameplate shows 400:5 but the billing system has 100:5.
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Caught Alliant Energy tax exemption oversight going back 5 years
Solid analysis. One thing I''d add is to verify the power factor minimum 0.95 against the original service application.
Nice find. I''ve started using interval data analysis software to cross-reference these calculations and it saves a ton of time.