Just ran into an interesting situation with Idaho Power in Little Rock. The Rate TOU-8 rate schedule clearly states power factor minimum 0.95, but the bill shows 100% ratchet applied. We pulled 18 months of billing history and found the tax exemption oversight started in 2016.
Peak demand coincident vs non-coincident — Georgia Power
Had the exact same problem with Pacific Gas & Electric last year. Took about 18 months to resolve but got full refund.
Had the exact same problem with Wisconsin Energy last year. Took about 18 months to resolve but got full refund.
I''d recommend requesting the meter test records from Duke Energy. That''s what cracked my case open.