A significant regulatory gap at the federal level is compelling states to individually confront the escalating challenge of solar panel waste. While the U.S. Environmental Protection Agency (EPA) has delayed its national rulemaking on the issue until 2027, a patchwork of state-level deadlines and regulations is creating a complex and urgent landscape for the solar industry. The situation highlights a critical disconnect between the rapid expansion of solar energy and the development of end-of-life solutions for its hardware.
Federal Inaction Spurs State-Level Urgency on Solar panel waste: States Face Critical 2024 Deadline
The EPA currently classifies decommissioned solar panels as solid waste under the Resource Conservation and Recovery Act (RCRA), with the potential for them to be deemed hazardous if they leach heavy metals. To streamline recycling and disposal, the agency announced in October 2023 its intent to add solar panels to its universal waste regulations. However, the formal rulemaking process is not expected to begin until February 2026, with a final rule anticipated in August 2027. This extended timeline leaves the burgeoning solar industry without a unified national framework for years to come.
This federal void has prompted over 20 states to enact their own solar decommissioning rules. This state-led approach, while necessary, is creating significant risks for the solar panel manufacturing business, which must now navigate a maze of disparate compliance requirements.
A Patchwork of State Regulations for Solar panel waste: States Face Critical 2024 Deadline
Washington state serves as a prime example of the challenges involved. A 2017 law originally mandated that manufacturers submit stewardship plans by July 1, 2024, with enforcement beginning July 1, 2025. However, with forecasts showing only one manufacturer would meet the deadline, the state passed new legislation in April 2025, delaying the requirement to January 2028. This move was essential to prevent manufacturers from halting sales in the state, which would have jeopardized Washington’s climate goals.
Other states are also moving forward with their own timelines. North Carolina has set a November 1, 2025, deadline for utility-scale solar projects to submit detailed decommissioning plans. In Texas, a new law effective September 1, 2025, requires solar lease agreements to include provisions for recycling. Meanwhile, states like California and Hawaii have proactively classified PV modules as universal waste to simplify their management, a path New Jersey is also exploring.
The Path Forward for a Growing Industry Regarding Solar panel waste: States Face Critical 2024 Deadline
As the first wave of solar panels, which have a 25- to 30-year lifespan, nears retirement, the need for a coherent waste strategy becomes more acute. The entire solar panel manufacturing process must account for end-of-life responsibilities. These panels contain not only glass and aluminum but also valuable and potentially hazardous raw materials like silver and copper, making recycling an environmental and economic imperative.
The fragmented American approach contrasts with more unified national strategies, such as Japan’s new solar panel recycling mandate. As solar capacity grows globally, with ambitious projects from El Salvador’s renewable energy expansion to domestic utility-scale farms, the lessons learned from these early state-level regulatory efforts will be invaluable. They will provide a crucial foundation for the EPA as it eventually develops a national framework to ensure the sustainable management of solar waste.
To fully grasp the lifecycle of this technology, from the basics of manufacturing to its final decommissioning, industry professionals can benefit from deeper educational resources. A comprehensive understanding is key to navigating the evolving regulatory environment, and those interested can explore this topic further through a free e-course on solar panel manufacturing.
Sources
- Solar Decommissioning Regulations: 2025 Installer Guide
- Legal Considerations Concerning the End-of-Life …
- 5175-S2.E HBR APH 25
- Solar EPR delay signed, right to repair poised to pass in WA
- Utility-Scale Solar Project Decommissioning Program | NC DEQ
- End-of-Life Solar Panels: Regulations and Management
- EPA Moving Forward Soon with Rulemaking to Modify and …
- Solar Panel End-of-Life: What Happens After They Retire