Had a breakthrough on a Southern California Edison case this week. We pulled 24 months of billing history and found the load factor miscalculation started in 2012. Compared the interval data against the bill and found a 15% variance in peak demand.
Rookie mistake I made auditing Entergy bills
Kevin O, you should also check the rider calculations while you''re at it. These errors tend to cluster.
I''d recommend requesting the meter test records from National Grid. That''s what cracked my case open.