Tax questions swirl around Iowa data centers
A report says Iowa data centers generated $319 million in property tax revenue from 2014 to 2025 and could produce substantially more in coming years. The state’s 2025 tax law limits certain data center exemptions, while industry advocates support broader incentives and environmental groups oppose further development.
A Common Sense Institute of Iowa report found that data centers generated $319 million in property tax revenue between 2014 and 2025, including $56.1 million in 2025 alone. The report projects annual payments could reach $292 million by 2040, benefiting local government budgets and potentially reducing homeowner property tax bills.
Iowa Gov. Kim Reynolds signed House File 976 in June 2025, limiting electricity-related tax exemptions for new data centers based on the population of the host city and the project’s operating period. Supporters, including CSI Iowa vice president of policy and research Ben Murrey, argue that more favorable incentives would attract development and increase local revenues, while critics say the law creates uneven treatment and could restrict expansion.
Environmental advocates, including Iowa Citizens for Community Improvement adviser Hugh Espey, are calling for data center development to halt statewide because of concerns about its environmental impact. The article does not identify a specific project or company, but describes a broader debate over taxation, electricity exemptions and the future of data center growth in Iowa.