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Duke's North Carolina large-load agreement awaits regulatory approval

Duke proposes broader large-load cost protections in North Carolina. The October 7 agreement still needs commission approval; its 50 MW and 80% thresholds are conditional.

By Greener Numbers Editorial Team · Published October 9, 2026 · Updated 10/9/2026

Duke Energy's October 7 announcement describes a settlement intended to extend grid-cost protections for data centers and other large-load customers in North Carolina. Duke Energy Carolinas and Duke Energy Progress reached the agreement with North Carolina Public Staff and other parties, including Amazon, Google, Meta and Microsoft. The company says the agreement remains subject to North Carolina Utilities Commission approval.

The announcement distinguishes facilities serving only a large customer from upgrades serving the wider system. It calls for nonrefundable upfront payment for customer-dedicated grid facilities, such as a connecting substation, and upfront deposits and security guarantees for shared grid upgrades, such as transmission lines. Those are different cost mechanisms, not a claim that every upgrade is paid through the same charge.

If approved, the agreement would cover large-load customers with demand of at least 50 megawatts and an 80% load factor that sign an electric service agreement in North Carolina after June 1, 2026. Duke says earlier agreements already contain similar protections and that its prior contract approach applied to loads of at least 100 megawatts. The new threshold is conditional on approval, not an enacted nationwide rule.

Duke says new large-load customers, including new data centers, would take service under a High Load Factor rate schedule, described as a separate rate for large loads. Its release does not provide a household bill calculation or show how much a particular residential customer would save. The company's broader benefits claims are not a verified saving for each account.

October 9 reporting from Latitude Media separately says Duke's final large-load tariff proposal does not include a clean transition tariff and quotes Duke's request not to add one in the current proceeding. That reporting describes an unresolved procurement-policy question. It does not turn the company's settlement announcement into a final commission order or prove that future demand must be served by a specific fuel.

The October 7 release says a commission decision is expected by mid-November. That is an expectation, not a guaranteed decision date. Readers following the issue should keep the proposed customer threshold, dedicated-versus-shared cost provisions and approval status separate. This brief does not say that the settlement has already taken effect or that a clean-energy procurement proposal has been permanently barred.

Official source: investors.duke-energy.com ↗