Arizona Regulators Open Docket on Data-Center Tariff Class
The Arizona Corporation Commission opened a docket to consider a dedicated tariff class for data-center load above 50 MW, including minimum-take provisions and transmission cost allocation. Intervenor deadlines fall in August.
The docket follows a wave of state-level bills nationally aimed at insulating residential ratepayers from AI-driven load growth. (Sample content.)
This docket decides who pays for the grid the AI buildout needs — shareholders, hyperscalers, or everyone's utility bill. It's also a template: what Arizona adopts, neighboring commissions will cite. Water and power for compute are becoming one conversation.