Filed a manufacturing sales tax exemption for a client in Charlotte with Duke Energy Carolinas. Duke applied the exemption starting with the next billing cycle — great. But when I asked about a retroactive refund for the past 3 years of overpaid tax, Duke said they can only process the exemption going forward and that retroactive tax refunds have to be filed directly with the North Carolina Department of Revenue. Is that standard? Do I now have to deal with two separate entities?
Utility applied the exemption going forward but won't issue a retroactive refund
Yes, that's standard in many states. The utility collects sales tax as an agent of the state. They can stop collecting going forward once you file the exemption certificate, but refunds of previously collected tax often have to go through the state taxing authority, not the utility. In Georgia it's the same — Georgia Power will apply the exemption prospectively but the Georgia Department of Revenue handles the retroactive refund through Form IT-REFUND. It adds a step but the refund amounts are usually worth the extra filing.
I've dealt with this in North Carolina specifically. File Form E-585 with the NC Department of Revenue for the refund of sales tax on electricity used in manufacturing. The DOR processes it separately from Duke. Turnaround is usually 8-12 weeks. Make sure you have copies of the utility bills showing the tax paid because the DOR will want documentation for every month you're claiming.
Derek, Karen, and Derek H. outline the standard two-track process that exists in many states. Track one: file the exemption certificate with the utility to stop future tax collection. Track two: file a refund claim with the state Department of Revenue for previously overpaid tax. These are separate processes with separate forms and separate timelines. The utility handles prospective exemptions because they're the collection agent. The state handles retroactive refunds because the tax revenue went to the state treasury. Know this dual process for every state you work in.
Filed Form E-585 with NC DOR. Took 10 weeks but the refund check came directly from the state for $24,000 covering 3 years. Combined with the go-forward exemption the total value of this finding is about $32,000 in the first year alone. The two-track process is extra work but the client doesn't care how the money arrives as long as it arrives.