Evergy explains large‑load tariff as commissioners weigh energy impacts of data centers

Evergy representatives explained the utility-side protections the company and the Kansas Corporation Commission have put in place for very large electricity consumers, and participants pressed for clarity about how local co‑ops and unincorporated county areas would be treated.

Jason, senior director of external affairs at Evergy, told the roundtable that the Large Load Power Service (LLPS) tariff applies to projects of about 75 megawatts and larger. He said the tariff requires long minimum terms (17 years total, with a multi‑year ramp), minimum monthly bills (take‑or‑pay provisions), collateral and higher per‑megawatt pricing to ensure those large customers cover generation and infrastructure costs rather than shifting them to other customers. As Jason put it, “data centers pay 100% of the costs before use that they are causing in terms of infrastructure.”

Evergy and other speakers also noted that Kansas is a regulated market: utilities must seek KCC approval to change rates, and tariff protections are intended to prevent the kinds of rate impacts experienced in some deregulated states. The panel also described operational conditions that utilities consider before committing service, including generation planning and reserves. Jason said Evergy will not connect a customer unless the utility can meet native load plus a reserve margin.

Questions remained about service outside Evergy’s territory: county commissioners asked whether rural cooperatives (co‑ops) are subject to the same tariff rules; Evergy representatives said co‑ops are governed by separate rules and that the commission should consult those providers directly. Commissioners also asked whether planned generation projects being built in the region are speculative: Evergy responded that those projects had customers in mind and are not being built purely on speculation.

Why it matters: energy provision and rate design are central to data center siting and to community concerns about the cost of new generation. If local distribution or generation must be expanded, commissioners said the county will want contractual and technical assurances (minimum terms, collateral, and tariff language) to prevent stranded costs for local taxpayers and ratepayers.

Next steps: commissioners asked staff to document how Evergy’s tariff interacts with county permitting and to seek clarity from local cooperatives on their plans and protections.