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HB 5401

AN ACT CONCERNING PLANS FOR DECOMMISSIONING SOLAR PHOTOVOLTAIC SYSTEMS APPROVED BY THE CONNECTICUT SITING COUNCIL.

2025 Regular Session Introduced by Mark Anderson and 3 co-sponsors

Requires solar projects approved by Connecticut's Siting Council to establish and fund plans for decommissioning and site restoration after system retirement.

CHG. REF., SEN. TO COMM. ON Environment
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Bill Summary · HB 5401

Legislative bill overview

HB 5401 requires comprehensive decommissioning plans for large-scale solar photovoltaic systems that are approved by Connecticut's Siting Council. The bill establishes standards for how solar facilities must be dismantled and sites restored after the systems reach end-of-life, ensuring developers provide financial assurance for cleanup obligations.

Why is this important

As Connecticut expands solar energy infrastructure to meet renewable energy goals, large utility-scale projects create long-term site obligations. Without clear decommissioning requirements, communities could face abandoned infrastructure or contaminated sites if developers fail to complete proper removal and restoration. This bill addresses environmental and financial accountability for industrial solar development.

Potential points of contention

  • Developer costs: Stricter decommissioning requirements may increase upfront project expenses, potentially making solar developments less economically competitive or reducing developer interest in Connecticut projects
  • Financial assurance mechanisms: Disagreement over what forms of bonding, escrow accounts, or insurance adequately guarantee cleanup funding over 20-40 year solar system lifespans
  • Restoration standards: Defining what constitutes adequate "restoration" of post-solar land (agricultural reuse, native habitat, etc.) and enforcement responsibility between state agencies and municipalities

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

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