In brief
Polymarket traders assign a 27% probability to Indiana enacting a statewide data center moratorium by December 31, 2028, but recent state approvals of major data centers and the absence of any statewide legislative proposal make a moratorium unlikely. Local moratoriums in Indianapolis and Evansville do not meet the market's criteria. Our analysis favors the 'No' outcome (no moratorium by 2028), with the December 31, 2028 date being the most plausible if one does pass.
Introduction
As data center construction booms across the United States, fueled by AI and cloud computing, local communities are pushing back against the strain on power grids, water supplies, and farmland. Indiana has become a hotspot for hyperscale projects from Amazon, Google, Meta, and Microsoft. The Polymarket event Indiana enacts data center moratorium by...? asks whether the state will impose a binding, statewide halt on new data centers. With nearly $4 million in volume, the market reflects deep uncertainty. But a close look at the evidence suggests a statewide moratorium is a long shot.
What to know
The market resolves to 'Yes' only if Indiana enacts a law or constitutional provision establishing a statewide moratorium on new data centers. Local moratoriums, executive orders, or tax incentive suspensions do not qualify. The primary resolution source is official state government information.
As of October 2026, no statewide moratorium bill has been introduced in the Indiana General Assembly. Instead, the state continues to approve major data center projects. On October 12, 2026, the Indiana Utility Regulatory Commission approved AES Indiana's plan to power a Google data center in Monrovia (Source 4). This indicates the state is actively facilitating data center growth, not restricting it.
At the local level, several Indiana cities have enacted temporary moratoriums. Indianapolis approved a moratorium through its Metropolitan Development Commission that expires December 31, 2027, and formed a $300,000 advisory committee to study new rules (Source 7). Evansville's city council approved a data center moratorium on October 6, 2026 (Source 18). Zionsville enacted a one-year moratorium over water concerns (Source 7). However, these are local measures and do not satisfy the market's requirement for a statewide law.
Nationally, a federal bill — the Artificial Intelligence Data Center Moratorium Act (S.4214) — was introduced in the U.S. Senate in March 2026 but has not advanced (Source 3). Other states like Pennsylvania and Kentucky are debating moratoriums, but Indiana has shown no similar legislative movement (Source 16) (Source 12).
The economic backdrop is also relevant. The IMF raised its 2026 global growth forecast to 3.1%, citing an AI-driven investment boom (Source 2). This suggests continued demand for data centers, making a statewide moratorium less politically attractive in a state that benefits from such investment.
The market numbers
| Outcome | Implied Probability |
|---|---|
| December 31, 2028 | 27.0% |
| December 31, 2027 | 16.5% |
| June 30, 2027 | 9.5% |
| December 31, 2026 | 1.9% |
| No moratorium by 2028 (implied) | 45.1% |
Total volume: $3,857,959. Liquidity: $977,342. Market closes January 1, 2029. Data from Polymarket (source).
The factors at play
- State-level political will: Indiana's Republican-controlled legislature and governor have shown strong support for data center development. No bill has been introduced, and the state continues to approve projects.
- Local vs. state action: Local moratoriums in Indianapolis, Evansville, and Zionsville indicate grassroots opposition, but these have not translated into statewide legislative action. The market specifically requires a state law.
- Energy and water concerns: Rising electricity demand and water usage are fueling opposition. PJM forecasts 10.7 GW of data center demand growth in its region by 2035 (Source 17). However, Indiana's regulatory environment remains permissive.
- National trend: Other states are considering moratoriums, but Indiana has not followed suit. The federal bill is stalled.
- Economic incentives: Data centers bring jobs and tax revenue. Indiana's economic development officials are unlikely to support a blanket ban.
- Timing: The next regular legislative session begins in January 2027. A moratorium bill could be introduced then, but no pre-filed bills have been reported.
Our prediction
According to our analysis, the most likely outcome is December 31, 2028. Polymarket currently assigns a probability of 27%, while our internal estimate is 15%. The difference stems from these factors: the market overweights the possibility of a statewide moratorium based on local actions and national headlines, but Indiana's pro-business stance and lack of any legislative proposal make a statewide ban unlikely within the next two years. The 27% for 2028 likely reflects a scenario where public pressure builds and the legislature acts in the 2028 session, but we see that as a low-probability event. The implied 45% for 'No' is more realistic, but among the date outcomes, December 31, 2028 is the most plausible if a moratorium does pass.
Risks and uncertainties
- Unexpected legislative action: A sudden push in the 2027 session could lead to a moratorium earlier than expected. The market's 16.5% for 2027 captures this risk.
- Environmental or energy crisis: A major power outage or water shortage linked to data centers could trigger a swift statewide response.
- Federal preemption or pressure: If the federal moratorium bill passes, it could override state action, but that would not resolve this market (which requires state law).
- Judicial or regulatory changes: A court ruling or PUC decision could effectively halt new data centers, but that would not qualify as a legislative moratorium.
- Data inaccuracy: The market relies on official state sources; a moratorium could be enacted via a referendum or other mechanism not yet visible.
Conclusion
Indiana's data center boom shows no signs of a statewide pause. Local moratoriums reflect community concerns, but the state government continues to approve and incentivize projects. Polymarket's odds for a moratorium by 2028 appear inflated. The most likely scenario is that no statewide moratorium is enacted by the end of 2028, making the 'No' outcome the probable winner. Among the date outcomes, December 31, 2028 is the best bet, but with low confidence.
This content is for informational purposes only and does not constitute financial, political or investment advice, betting advice, or any operational recommendation.