Illinois Governor JB Pritzker suspended all new state data center tax incentives on July 1, effective last Tuesday, after state lawmakers failed to pass the POWER Act before the May 31 session deadline.

The suspension is the same state that, per PJM's own accounting, contributed data center load growth responsible for more than $13 billion in extra energy costs across two recent capacity auctions. As the paper's July 6 coverage of FERC's move to stop billing homeowners for data center grid upgrades established, the ratepayer-protection question has been playing out simultaneously at the federal and state level. Illinois's executive action is the state-level instrument doing the same work that FERC's show-cause orders are attempting at the federal level.

The POWER Act was not a ban on data centers [1]. It was a cost-shift mechanism: data centers seeking state subsidies would have been required to self-supply renewable energy, report water use quarterly, and sign community-benefit agreements as conditions for receiving incentive packages. Its defeat in the May session means Illinois ratepayers continue absorbing load growth costs without the disclosure requirements or benefit conditions the bill would have established.

Governor Pritzker framed the suspension as a two-year pause, designed to create legislative urgency for the next session [2]. The incentive packages that existing data center projects received before July 1 remain in force; only new applications are suspended. Illinois has been one of the most aggressive states in the country in recruiting data center investment, offering sales tax exemptions on server hardware, reduced property taxes, and utility rate structures that have attracted facilities from multiple major cloud providers.

The political dynamics that killed the POWER Act illustrate why state-level data center accountability has stalled across the country [3]. Data center developers organized effectively against the bill, arguing that the community-benefit and water-disclosure requirements would redirect investment to neighboring states with fewer conditions. That argument proved persuasive with enough legislators to prevent the bill's passage.

Pritzker's executive action is the governor's response to that failure: if the legislature won't impose disclosure conditions through statute, the executive can withhold the incentive packages that make Illinois attractive without them. The suspension holds until the legislature acts — or doesn't — in the next session. In the meantime, the $13 billion ratepayer burden that Illinois data centers contributed to PJM's auction costs sits unaddressed by any binding state instrument.

-- DARA OSEI, London