Investigation Examines Whether Households Will Pay for Data Center-Driven Grid Costs
The article examines whether households in North Carolina and Austin could bear costs from utility infrastructure built to serve expanding data center demand. Duke Energy’s proposed North Carolina rate settlement and large-load tariff would require major customers to pay for some dedicated infrastructure, but regulators and consumer advocates remain concerned about shared generation and transmission costs.
The growth of AI data centers is increasing projected electricity demand and prompting utilities to plan new generation, transmission lines and substations. In North Carolina, Duke Energy proposed a settlement that would reduce an initially requested residential rate increase of about 18% to approximately 9.5%, while the North Carolina Department of Justice opposed the agreement as excessive. The proposed large-load tariff would require qualifying customers to pay for at least 75% of contracted demand and certain dedicated facilities, but it would not necessarily cover all generation and shared-grid costs attributable to them.
The article also examines Austin, where the city’s fiscal 2027 budget anticipates higher costs for taxpayers and utility customers, although the evidence does not establish that current increases are primarily caused by hyperscale AI data centers. Federal regulators have adopted additional transmission protections involving long-term revenue commitments, while continuing to flag stranded-cost risks. The investigation concludes that regulators need project-level accounting and stronger guarantees to ensure households are not left paying for infrastructure tied to canceled or speculative data center projects.