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  • Writer's pictureGreen Clean Solar

Waste Management and Recycling in the Solar Industry



In the early days of the solar industry, waste management practices were straightforward, designed to manage the modest volume of waste generated by smaller-scale projects. Projects under 9MW were the norm, and sustainability and environmental governance were yet to be central themes. This allowed for basic disposal methods without significant scrutiny or regulatory pressure.


Smaller projects and manageable waste

Recollecting on 2016, when a 1MW solar project was considered substantial, the associated waste was minimal and manageable. These projects involved fewer solar panels and related equipment, leading to a smaller quantity of waste—predominantly packaging materials such as cardboard, plastics, and incidental amounts of metal and glass from constructing and assembling panels. The routine for handling this waste was uncomplicated: order a stock waste bin, fill it up, and once full, a quick call to a national hauler would resolve the disposal issue. The waste would be transported to a landfill, effectively concluding the waste management process


Big haulers

National haulers were crucial during this period, providing essential waste disposal services for small-scale solar projects. Owning extensive landfill operations, these haulers offered a simple, efficient service model matching smaller project requirements. Project managers relied on these services for their simplicity and convenience, where waste could be disposed of without sorting or special handling. Recycling was rarely considered a priority unless required by local regulations. This approach was deemed adequate given the scale of operations and the relatively minor environmental impact attributed to such small quantities of waste.


A shift in solar site maturity

The landscape began to shift as the solar industry matured and the scale of installations started to increase. Projects exceeding 10MW became more common, and with this growth, the amount of waste generated also rose significantly. This transition brought about a new set of challenges. Waste management became a logistical and environmental issue, with increased volumes of packaging, obsolete equipment, and construction debris requiring attention. Multiple hauls per day became necessary to manage the waste efficiently, marking a departure from the simpler times when a single hauler could manage all waste needs with minimal coordination.


Answering to ESGs

The increasing scale of projects brought about heightened environmental awareness among investors. These stakeholders, particularly those invested in maintaining a green portfolio, began scrutinizing larger solar projects' waste management practices. The visible waste and potential environmental damage conflicted with the eco-friendly image of solar energy. Investors started demanding better waste management solutions, emphasizing the need for projects to align with Environmental, Social, and Governance (ESG) standards. This growing concern highlighted the necessity for robust, sustainable waste management systems to support solar projects' long-term viability.


Status quo solar site waste management shortcomings

As projects grew in size, the shortcomings of existing waste management practices became more evident. While effective for smaller-scale operations, national haulers often needed more infrastructure or incentive to implement effective recycling practices. Many haulers treated all waste similarly, ignoring the potential for recycling valuable materials. This practice resulted in increased landfill use and missed opportunities for sustainable materials management. Additionally, the need for recycling certification meant that projects could not substantiate claims of sustainability in their ESG reports, which became increasingly important to investors.


What's happening today on solar installation sites regarding solar waste management?

The current state of waste management in the solar industry is characterized by a lack of standardized policies for recycling solar panels and other site waste, such as cardboard, wood, and plastic. Efforts are often fragmented, varying by county and focusing on end-of-life decommissioning.


Currently, there is no standardized policy for recycling solar panels or the waste generated on solar sites, including materials like cardboard, wood, and plastic. Efforts to manage this waste are often hodgepodge, with different counties implementing varying levels of recycling protocols, often focusing on decommissioning end-of-life (EOL) equipment.


The availability of recycling services varies by region. Robust recycling programs exist in some areas, but the infrastructure needs to be improved in others. This regional disparity complicates efforts to implement comprehensive waste management plans across multiple projects and locations.


It is crucial for project managers to verify that recycling is actually happening. There have been instances where haulers, who might own both landfills and recycling facilities, falsely claim to recycle waste while sending it to landfills. This deceptive practice undermines the integrity of ESG reports and erodes investor trust.


The increasing emphasis on ESG reports has amplified the need for better waste management practices. Investors and stakeholders demand transparency and accountability in how waste is managed. This has led to the development of more rigorous processes for recycling materials such as modules and batteries.


Recycling solar modules and batteries involves several complex processes. Solar panels are composed of materials like silicon, glass, and metals, which require specialized recycling techniques to recover valuable components. Batteries, however, often contain hazardous materials that necessitate careful handling and disposal to prevent environmental contamination.


Toward more sustainable waste management practices

The future of waste management in the solar industry lies in developing sustainable practices that can handle the increasing volume and complexity of waste generated by large-scale projects. This evolution is essential for environmental sustainability, investor trust, and regulatory compliance.


As the solar industry continues to grow, waste management practices must evolve to keep pace. This includes developing more sophisticated recycling systems capable of processing larger volumes of waste and recovering valuable materials. Advances in technology and increased regulatory oversight will drive these changes, making sustainable waste management an integral part of the solar industry's future.


The industry is beginning to embrace circular economy principles, which focus on minimizing waste and maximizing the reuse and recycling of materials. This approach reduces the environmental impact of solar projects and creates economic opportunities by turning waste into valuable resources.


Developing and implementing standardized policies for waste management and recycling will be critical. Governments and industry organizations must work together to establish clear guidelines and regulations that promote sustainable practices. This will provide a framework for companies to follow and ensure consistency across the industry.


The solar industry has come a long way from its early days of simple waste disposal practices. As the scale of projects has increased, so has the complexity and volume of waste generated. This has necessitated a shift toward more sophisticated and sustainable waste management practices. By embracing these changes, the industry can continue to grow while minimizing its environmental impact and meeting the increasing demands of investors and stakeholders.



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