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SB 3104

PLUG-IN SOLAR ENERGY SYSTEMS

104th Regular Session Introduced by Cristina Castro and 16 co-sponsors

SB 3104 authorizes portable plug-in solar systems in Illinois, reducing installation barriers and expanding residential renewable energy access without utility interconnection requirements.

Senate Floor Amendment No. 7 Pursuant to Senate Rule 3-9(b) / Referred to Assignments
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Bill Summary · SB 3104

Legislative bill overview

SB 3104 establishes regulations and standards for plug-in solar energy systems in Illinois, allowing residents and businesses to install portable solar units that can connect directly to electrical outlets without permanent installation or utility interconnection. The bill aims to streamline deployment of small-scale solar technology while maintaining safety and performance standards.

Why is this important

Plug-in solar systems could lower barriers to residential solar adoption by eliminating permitting delays, interconnection fees, and installation costs associated with traditional rooftop systems. This addresses Illinois's renewable energy goals while providing an alternative for renters, those in multi-unit buildings, and property owners hesitant about permanent modifications.

Potential points of contention

  • Utility revenue impact: Widespread adoption could reduce electricity sales for utilities, potentially affecting grid maintenance funding and rate structures for remaining customers
  • Safety and code compliance: Portable solar units bypassing traditional inspection processes may create electrical safety risks if not properly regulated, and standards may be inconsistent across jurisdictions
  • Grid stability concerns: Unmonitored distributed generation from plug-in systems could complicate grid management and voltage regulation if adoption scales significantly

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

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