WeVote
Log In

Bill

Bill

HB 3603

NUCLEAR POWER CERTIFICATE

104th Regular Session Introduced by Jason Bunting and 1 co-sponsor

Illinois HB3603 expands CPCN eligibility to allow advanced nuclear reactors to begin construction under public-interest review, starting Jan 1, 2026.

Added Co-Sponsor Rep. Jason R. Bunting
0
WeVote Research Nonpartisan
Bill Summary · HB 3603

HB3603 — Nuclear Power Certificate (Illinois)

Overview
HB3603 updates the Public Utilities Act to expand how and when nuclear power projects can obtain a certificate of public convenience and necessity (CPCN). The core change, effective January 1, 2026, allows construction to commence on an advanced nuclear reactor (instead of limiting to a “new nuclear power reactor with a nameplate capacity of 300 MW or less”) under specified conditions. The bill also adds and clarifies provisions related to qualifying direct current (DC) transmission projects that would connect to Illinois’ electric grid.

Key Provisions

  • Advanced nuclear reactor eligibility (effective 2026)

    • Expands the permissible type of nuclear project eligible for CPCN-driven construction from the prior constraint (a new reactor with ≤300 MW nameplate capacity) to include “advanced nuclear reactors.”
    • The term “advanced nuclear reactor” is defined in the bill (definition provided within the statute, though not reproduced here).
    • Construction cannot begin without meeting the CPCN process requirements and findings of public convenience and necessity, as amended.

  • Certificate of Public Convenience and Necessity (CPCN) framework

    • Maintains the core standard: construction must promote public convenience and necessity, be necessary for reliable service, be the least-cost option, be equitable to customers, and demonstrate the utility can finance and manage the project.
    • Requires the Commission to evaluate whether proposed construction is necessary, cost-effective, and in the public interest, with assessments of feasibility, financing, and management capabilities.

  • Qualifying DC transmission projects (new subsection context)

    • Introduces “Qualifying direct current applicant” and “Qualifying direct current project,” expanding the framework to high-voltage DC transmission lines.
    • Projects must cross at least one Illinois border and be located within the MISO region, with specific geographic and voltage criteria, and a capacity threshold (e.g., 1,000 MW or larger and 345 kV or greater triggers deemed-favorable findings).
    • Applicants may file for CPCN and related authorities under 8-503 if criteria are met.
    • Pre-filing/public engagement requirements: applicants must conduct three public meetings prior to filing, as part of the process to demonstrate necessity.

  • Regional transmission organization (RTO) involvement

    • Before transferring functional control of transmission assets, applicants must seek Commission approval to join an RTO (e.g., PJM) or similar interconnection framework.

Affected Parties
- Investor-owned utilities and other public utilities seeking to construct advanced nuclear reactors.
- Nuclear developers and project sponsors seeking to deploy advanced nuclear technology in Illinois.
- DC transmission project developers and entities seeking to build cross-border HVDC lines connecting to Illinois’ grid.
- Ratepayers and consumers, who could be affected by project costs and reliability outcomes.

Timetable and Status
- Introduced: February 18, 2025.
- Primary sponsor: Rep. Dave Vella; Co-sponsor: Rep. Jason R. Bunting (added March 27, 2025).
- Early actions: Read first time and referrals in February/March 2025; assigned to Public Utilities Committee; subsequent actions include further referrals and Rule 19 considerations.
- Effective date for key nuclear-reactor provisions: January 1, 2026 (subject to legislative approval and standard enactment timing).

Sponsors
- Primary: Rep. Dave Vella
- Co-sponsor: Rep. Jason R. Bunting

Notes
- The bill’s language includes broader, nuanced adjustments to CPCN standards and adds DC-transmission project provisions, signaling a broader approach to integrating next-generation nuclear energy with modern grid infrastructure.

Compiled from official sources — confirm details with the bill’s official record.

Sign in to ask a question.