Illinois 2025-2026 Regular Session

Illinois Senate Bill SB1527

Introduced
2/4/25  
Refer
2/4/25  
Refer
3/18/25  

Caption

NUCLEAR MORATORIUM REPEAL

Summary

SB1527 amends the Illinois Public Utilities Act to remove the current statutory prohibition on constructing new nuclear power reactors in Illinois with a nameplate capacity greater than 300 megawatts. Under existing law, those reactors cannot be built until the Illinois Emergency Management Agency and Office of Homeland Security determines that the federal government has approved a demonstrable method for disposing of high-level nuclear waste, or until the General Assembly specifically authorizes construction by statute. The bill would strike that moratorium language, allowing the state’s utility-regulatory framework to consider such projects without that categorical ban. The bill also preserves and restates the separate pathway for smaller nuclear facilities: beginning January 1, 2026, construction of new reactors of 300 megawatts or less may proceed if the developer has obtained all required state and federal permits, licenses, and approvals, including those related to operation and decommissioning. The measure does not alter federal Nuclear Regulatory Commission authority and continues to recognize other permitting and licensing requirements. In addition, the bill leaves in place the broader Public Utilities Act provisions governing certificates of public convenience and necessity, including requirements for utility construction approvals and public meetings for certain transmission projects.

Impact

If enacted, SB1527 would materially change Section 8-406 of the Public Utilities Act by eliminating Illinois’ statutory moratorium on new large nuclear reactors. That would remove a major legal barrier to siting and constructing new nuclear generating facilities above 300 megawatts in the state, subjecting them instead to the ordinary state and federal approval processes. The bill would affect utilities, nuclear developers, regulators such as the Illinois Commerce Commission, and state agencies involved in nuclear safety and environmental review.

Sentiment

The bill’s caption, “Nuclear Moratorium Repeal,” indicates a pro-nuclear-development posture, and the text is consistent with an effort to make new nuclear construction more feasible in Illinois. No committee transcripts or recorded votes were provided, so there is no documented debate or roll-call history in the supplied materials. Based on the bill text alone, the measure appears to be framed as a regulatory modernization or energy-development bill rather than a controversial procedural change, though it implicates a long-standing policy restriction on nuclear expansion.

Contention

The central point of contention is the repeal of the existing prohibition on large nuclear reactor construction before a federal high-level waste disposal solution is identified and approved. Supporters would likely argue that the moratorium is outdated and blocks new generation capacity, while opponents would likely focus on unresolved nuclear waste disposal, safety, decommissioning, and environmental risk. A secondary issue is that the bill preserves the role of state agencies and the federal NRC, so debate may also center on whether Illinois should continue to require a waste-disposal finding as a precondition for large reactors or rely on existing licensing and oversight mechanisms instead.

Companion Bills

No companion bills found.

Previously Filed As

IL HB3604

NUCLEAR MORATORIUM REPEAL

IL HB4055

NUCLEAR MORATORIUM REPEAL

IL SB1874

NUCLEAR POWER CERTIFICATE

IL HB3603

NUCLEAR POWER CERTIFICATE

IL SB2681

NUCLEAR REACTOR APPLICATION

IL SB2719

NEW NUCLEAR CONSTRUCTION

IL HB4122

NEW NUCLEAR CONSTRUCTION

IL A11433

Enacts the NYS ratepayer protection nuclear moratorium act

IL S09962

Enacts the "NYS ratepayer protection nuclear moratorium act" under which certain state funds and subsidies are prohibited from being expended for new nuclear power facilities and related entities; creates a nuclear assessment task force.

IL H1461

Advanced Nuclear Reactors

Similar Bills

No similar bills found.