Four US States Have Rolled Back Data Center Tax Breaks, More Are Weighing It
Illinois, Arizona, Ohio, and Massachusetts have paused their data center sales tax exemptions. Virginia and Georgia show what happens when the incentive's real cost outgrows the original estimate by orders of magnitude.
States sold cheap data centers on a tax break. The real cost blew past every estimate.
Illinois, Arizona, Ohio, and Massachusetts have each paused new applications to their data center sales tax exemption programs in 2026, with New Jersey freezing a $250 million program and Minnesota removing its exemption outright and replacing it with an energy-use fee.
Why now
The driver is cost. Virginia's data center tax exemption was projected to cost about $1.5 million a year when it was created in 2008. Different sources now put its actual annual cost anywhere from $1.6 billion to $1.9 billion, depending on whose estimate you use, including the state's own fiscal report. Georgia's exemption is now projected to cost $2.5 billion in fiscal 2026, 664 percent above the original estimate. Both states are seeing incentive costs grow because AI-driven electricity demand pushed data center construction, and the tax break's cost, far past what anyone modeled when these programs were written.
The legislative pushback
Pennsylvania's House voted 197 to 5 in June 2026 to repeal its Computer Data Center Equipment Incentive Program, projected to cost $188.4 million in the current fiscal year and grow to $517 million by 2030. Per the National Conference of State Legislatures, at least nine states are now weighing full repeal of their own programs, and 28 states have introduced bills to scale theirs back.
What repeal actually changes
These exemptions typically waive standard state sales tax on data center equipment: servers, cooling systems, wiring. Removing the exemption means operators pay ordinary sales tax on that equipment instead, which several affected states' combined rates put in roughly the 6 to 8 percent range, though we couldn't confirm a single specific figure for the average national cost impact.
Why a build studio cares
Where AI compute gets hosted has always been partly a tax question, not just a latency one. States that spent years competing to attract data centers with tax breaks are now the same states clawing them back, which changes the calculus for anyone planning where AI workloads get deployed over the next few years, not just this one.
Next step: read Newsweek's state-by-state breakdown or MultiState's policy tracker. If infrastructure cost planning is part of your roadmap, write to us at hello@gattyworks.com.