
Safety hazards in solar panel installations can lead to arc flash, electric shock, and liability. Learn how to protect your PV system and work environment.
Why Safety Must Be a Priority in Solar Project Lifecycles
The Risks of Aging Solar Projects – Safety and Liability
Solar energy projects offer significant benefits: reduced electricity costs, lower carbon emissions, and long-term energy independence. But as these systems age, so do the risks associated with them. Whether active, inactive, or abandoned, solar installations require ongoing attention to remain safe and compliant. The truth is, an aging solar project that is not properly maintained becomes a liability—not just financially, but also in terms of safety, legal exposure, and reputational damage.
Aging and Inactive Solar Projects: Risks Don’t Disappear
Many property owners assume that the risks go away once a solar project is no longer in use. But that’s not the case. Aging systems that are decommissioned, idle, or simply underperforming can still harbor serious threats. Without consistent inspection and upkeep, aging solar projects can quickly turn from green assets into dangerous liabilities.
The Problem: What Happens When the Solar System Ages?
Over time, the modules of solar power systems naturally degrade. While solar systems are designed to be durable, neglecting regular maintenance can lead to significant safety risks and operational issues. As these systems age, performance may decline, and this decline can create safety risks that might harm people or damage property.
Common Safety Hazards in Aging Solar Systems
Electrical Hazards
Even when disconnected from the grid, solar panels and inverters can hold residual electrical charge. Components degrade, increasing the risk of:
- ●Electrical fires from overheating or corroded wiring
- ●Short circuits from damaged cables or connectors
- ●Electric shock, especially for maintenance staff or trespassers on poorly secured sites
Without active monitoring and maintenance, electrical failures can occur unexpectedly and with serious consequences.
Structural Failures
When a fire occurs in a rooftop solar system, the impact extends far beyond just the panels. The intense heat can damage the roof’s structure, especially mounting systems and racking components. The metal parts of the racking system can warp, losing their ability to hold the panels securely. This leads to falling panels, further damage to the building, and in severe cases, structural failure—endangering occupants.
The risk is particularly high when fires start in poorly maintained systems or faulty electrical connections.
Hazardous Materials
Photovoltaic (PV) panels often contain hazardous materials. If these panels become damaged or are improperly disposed of, there is a risk of contamination. Neglecting to decommission or manage them correctly can result in costly environmental cleanup and legal repercussions.
Liability of Solar Owners
Solar project owners bear responsibility for the safety of their systems. If a neglected solar installation causes injury, property damage, or environmental harm, the owner could face:
- ●Lawsuits from injured parties (employees, customers, the public)
- ●Fines for violating safety regulations or environmental laws
- ●Insurance claim denials due to negligence
- ●Damage to business reputation
The Cost of Ignoring Maintenance
Neglecting regular maintenance can result in:
- ●Costly repairs and downtime
- ●Safety violations
- ●Decommissioning of the system
- ●Loss of public and stakeholder trust
Neglecting these issues can cause lasting financial damage and safety exposure.
The Solution: Managing Solar Safety and Liability in Aging Projects
Proper maintenance, inspection, and upgrading are essential for managing risks in aging solar systems.
The Role of OSHA and Industry-Wide Safety Standards
While the solar energy industry promotes clean power, it must also embrace a higher bar for occupational safety and health. Incidents like arc flash, electric shock, and rooftop fires continue to reveal weaknesses in outdated or poorly maintained systems.
Federal guidelines—especially from OSHA—should serve as a baseline for solar installation protocols. But as systems age, site-specific safety training, regular retraining, and documented inspections become critical to reduce liability and ensure compliance.
The use of personal protective equipment (PPE) like arc-rated gloves, insulated tools, and high-visibility clothing should be mandatory on any site with an aging PV system. Installers working near power lines, damaged wiring, or deactivated inverters must take extra care, especially when working on ground-mounted systems or commercial-scale solar arrays.
Solar panel safety isn't just about equipment—it’s about embedding a mindset of prevention. The solar industry must evolve from seeing safety as a checklist to treating it as a culture. That’s how we make solar energy not just clean, but safe.
Regular Inspections and Maintenance
Routine inspections by professionals are essential to identifying hazards and improving efficiency. Over time, components may degrade, such as:
- ●Wiring and connections that corrode or loosen
- ●Structural supports that weaken
- ●Residual electrical charge in inactive systems that pose electrocution risks
Timely Upgrades and Repowering
Aging components can be replaced to extend system life, reduce hazards, and restore energy production. Replacing panels, inverters, or wiring helps reduce system stress and future liability.
Decommissioning When Necessary
If a system is no longer viable, responsible decommissioning is key. This includes:
- ●Safely disconnecting from the grid
- ●Removing or recycling hazardous materials
- ●Disposing of components in line with environmental standards
Incorporating Rapid Shutdown Systems
Many older systems lack rapid shutdown capabilities. These systems allow for fast deactivation in case of emergency, preventing injury to first responders and workers.
Inactive systems—or those nearing end-of-life—should be upgraded with rapid shutdown to minimize safety risks.
Real Story: Rooftop Fire in Spain
On March 23, 2025, a fire at the Miramar Shopping Center in Fuengirola, Spain, was linked to a rooftop solar PV system. While the investigation is ongoing, this highlights a growing concern: solar installations are not “set and forget.”
As systems age, their risks increase—and so must our safety practices.
Conclusion: Protecting Your Solar Investment
Aging solar systems require more than passive oversight. Ensuring system safety involves:
- ●Regular inspections
- ●System upgrades
- ●Shutdown mechanisms
- ●Training and PPE
- ●Compliance with OSHA and solar energy industry standards
If your system is nearing the end of its useful life, Do Good Energy (DGE) can help. We acquire, repower, and optimize underperforming solar assets—removing risk from your portfolio and restoring value to your investment in renewable energy.
Whether you want to sell or donate your project, we handle the entire process—safely, responsibly, and efficiently.
Contact us today to learn more.
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