Outlook unclear for data center electricity costs
Ratepayers across the United States are concerned about potentially bearing higher costs due to data centers' electricity consumption, as the methods for allocating these costs are complex and unclear. State utility commissions determine how new electricity infrastructure investments are paid for, but data centers' ability to fine-tune consumption makes cost allocation challenging for residential customers. An expert from the University of Florida advocates for consumers to engage in public comments during regulatory hearings.
Theodore J. Kury, Director of Energy Studies at the University of Florida, highlights concerns among US ratepayers regarding the unclear outlook on who ultimately pays the electricity bills for large data centers. He notes that while many tech companies pledge to cover their share, the methods state utility commissions use to calculate and allocate costs for increased electricity generation and transmission infrastructure are complex.
Kury explains that costs are ideally allocated to the customers who cause them, but shared grid investments, like substation upgrades or securing additional power sources, often lead to costs being distributed among all customers. He points out that data centers' ability to adjust their electricity consumption, particularly during peak demand periods, could allow them to avoid contributing proportionally to costs allocated through "coincident peak demand," despite high overall energy usage. Kury advises consumers to actively participate in public comments and hearings before regulators to ensure their interests are represented, as consumer advocate offices may be legally barred from taking sides on cost allocation between different customer groups.