Key Solar Safety Risks and Considerations
  1. Electrical Hazards:
    • PV arrays produce electricity whenever exposed to sunlight or artificial lighting.
    • DC cables, often rated up to 1500 VDC, can cause lethal electrocution and arc flash hazards.
  2. Fire and Evacuation Hazards:
    • PV systems installed on roofs complicate firefighting due to ongoing electrical production.
    • DC cables routed through escape routes increase the risk during evacuations.
    • Cutting energized DC cables during emergencies increases the risk of severe injury or electrocution.
  3. Accountability and Liability:
    • Ambiguity regarding who holds legal responsibility during PV-related incidents.
    • Potential liability extends to building owners, system installers, maintenance contractors, and even first responders.
    • Negligence cases could arise if proper procedures, training, or PPE are not provided.

PVStop Overview:

PVStop is a polymer-based fire-retardant coating specifically designed for PV (photovoltaic) systems. It rapidly blocks sunlight, eliminating electricity generation from PV panels during emergencies, thus mitigating electrocution risks and enabling safe intervention.

Product Composition & Safety:

  • Composition: Water-based, containing proprietary non-hazardous polymer resins.
  • Safety Profile:
    • Non-hazardous according to Regulation (EU) 2015/830.
    • Low environmental impact; miscible in water.
    • Non-toxic, non-irritating, no special hazards, safe for general handling​.

Advantages in Emergency Situations:

  • Immediate Isolation: Quickly eliminates electrical hazards by physically blocking sunlight from reaching the PV cells.
  • Non-Electrical Solution: Unlike electrical rapid-shutdown devices (“fireman switches”), it doesn’t require complex electrical connections (MC4 connectors), thus eliminating additional points of failure.
  • Improves Firefighter Safety: Allows firefighters to safely approach PV systems without risk of electrical shock.
  • Certified and Compliant: Holds relevant certifications, including the EU-Type Examination Certificate (CE 603059), confirming its suitability for professional firefighting use​.

Legal and Safety Considerations for South Africa:

From a legal perspective, recommending PVStop as part of the safety protocol has several benefits:

Emergency Protocol Simplification: Easily incorporated into standard operating procedures without specialized electrical training, simplifying compliance and training. Safeguard lives, protect property, and reduce legal risks associated with photovoltaic system emergencies.

Legal Clarity: Using PVStop as a standard practice clearly demonstrates proactive risk mitigation, meeting regulatory compliance under OHSA, fire safety laws, and standards.

Insurance and Liability: Reduces legal liability exposure, as its deployment represents a demonstrable effort to mitigate electrical hazards effectively and safely.

Eskom Compliance Recognizes PV Fire Risks

Eskom Compliance Update Recognizes Fire Risks in Solar Installations

The latest EGI Compliance Certificate (Rev 8) from Eskom marks a significant milestone for fire safety in the renewable energy sector. For years, industry experts, safety professionals, and insurers have raised concerns about fire hazards in solar installations, and now, Eskom’s compliance framework officially addresses these risks.

This update is particularly relevant for all Small-Scale Embedded Generators (SSEG), as compliance will soon become mandatory. By March 2026, all SSEGs must be registered for compliance or face potential penalties.

Eskom Compliance Update Recognizes Fire Risks in Solar Installations

The latest EGI Compliance Certificate (Rev 8) from Eskom marks a significant milestone for fire safety in the renewable energy sector. For years, industry experts, safety professionals, and insurers have raised concerns about fire hazards in solar installations, and now, Eskom’s compliance framework officially addresses these risks.

This update is particularly relevant for all Small-Scale Embedded Generators (SSEG), as compliance will soon become mandatory. By March 2026, all SSEGs must be registered for compliance or face potential penalties.

Understanding the New Fire & Fault Guidelines (Note 11, Page 8)

Eskom’s compliance update includes clear steps to reduce fire and fault risks in embedded generation systems. These include:

  • Electrical faults should never be extinguished with water. Using water on a live electrical system can cause electrocution and worsen the fire.
  • Generators must be isolated from the Eskom network before shutting down inverters and DC sources. This prevents electricity from flowing back into the system during an emergency.
  • Solar panels must be covered with fire-retardant material or an equivalent technique to prevent them from generating power during a fire or fault condition.

Why This Matters

For years, LTV Technologies & Supplies, as the South African distributor of PVStop, has been actively engaging with fire safety experts, insurers, renewable energy associations, installers, and safety representatives to address these risks. PVStop is the only solution designed specifically to stop solar panels from generating power instantly, making it an essential fire safety tool for solar installations.

With Eskom now recognizing fire and fault risks within its compliance framework, this is a step in the right direction. The focus is shifting from just installation compliance to also ensuring fire safety in PV systems, which will benefit homeowners, businesses, firefighters, and insurers.

Next Steps for Solar System Owners

  • Ensure compliance with Eskom’s new safety requirements before the 2026 deadline.
  • Review your fire safety measures for embedded generation systems, especially in solar installations.
  • Consider using PVStop, a globally recognized fire-retardant solution that instantly stops solar panel generation in emergencies.
  • Stay informed by connecting with LTV Technologies & Supplies or visiting the PVStop Informative Website for updates and solutions.

Conclusion

The recognition of fire risks in solar installations within Eskom’s compliance certificate is a significant moment for the industry. LTV Technologies & Supplies and PVStop remain committed to raising awareness, driving safety innovation, and providing solutions to ensure fire risks in solar energy systems are properly managed.

For more information, reach out to LTV Technologies & Supplies or your nearest PVStop reseller.

The Essential Role of Light-Blocking Coatings in Solar Safety: Why No New Bylaws Are Needed

As the solar industry continues to expand, so do the safety risks associated with photovoltaic (PV) systems, particularly in emergency situations such as fires. For first responders, managing fires in buildings with PV installations presents unique challenges due to the continuous production of electricity by solar panels. The introduction of Tier 1 Light Blocking Coating, an internationally accredited and certified solution, offers a game-changing method to ensure safety without the need for new bylaws. In this article, we explore how this coating aligns with existing health and safety regulations and why it is essential for first responders and PV-equipped buildings.


1. Understanding the Risks First Responders Face

Photovoltaic (PV) systems pose several risks during emergency situations, especially fires:

  • Electrical Hazards: PV systems continue to generate direct current (DC) electricity when exposed to light. First responders cannot simply switch off the main supply to isolate the system.
  • Fire Hazards: Damaged solar panels can still generate electricity, creating dangerous conditions for firefighting and rescue operations.
  • Increased Electrocution Risk: As long as light is present, PV panels remain active, creating a DC Danger Zone.

In many cases, firefighters are forced to adopt defensive strategies, leading to increased property damage and prolonged emergency operations.


2. How Tier 1 Light Blocking Coating Solves the Problem

The DC Danger Zone requires a reliable method to stop PV panels from generating electricity at the source. Tier 1 Light Blocking Coating provides an effective and accredited solution:

  • Instant De-Energization: This light-blocking coating deactivates PV panels by blocking sunlight, preventing further electricity generation. It is an internationally certified Tier 1 safety solution that ensures first responders can work safely.
  • No New Bylaws Needed: The use of this coating fits within existing health and safety regulations, including the Occupational Health and Safety Act (OHSA) and fire safety guidelines, eliminating the need for additional laws for its application.

3. How Tier 1 Light Blocking Coating Complies with Current Health and Safety Regulations

3.1. Electrical Safety

Under the Occupational Health and Safety Act (OHSA), employers are responsible for ensuring safe working environments around electrical systems. PV systems pose significant hazards because they continue to generate electricity when exposed to light.

  • Compliance: The Tier 1 Light Blocking Coating neutralizes the electrical danger by blocking light, thereby cutting off electricity generation at the source. This meets existing electrical safety regulations and does not require the creation of new laws.

3.2. Working at Heights

With many PV systems installed on rooftops, the risk of falls and slips for first responders increases, especially in emergency conditions where surfaces may be wet and slippery.

  • Compliance: The Tier 1 Light Blocking Coating can be applied from a safe distance (up to 10 meters), minimizing the need for close interaction with live electrical systems and reducing risks associated with working at heights. This aligns with the Work at Height Regulations, ensuring compliance while protecting first responders.

3.3. Firefighter Safety

Traditional firefighting strategies involving PV systems often result in increased property damage as firefighters must adopt defensive tactics to avoid electrocution.

  • Compliance: The Tier 1 Light Blocking Coating allows firefighters to take a more direct approach to fire suppression by de-energizing the PV system on-site. This improves operational safety and aligns with existing fire safety regulations by minimizing the risk to life and property.

4. Future Considerations: Strengthening Safety with New Bylaws

While the use of Tier 1 Light Blocking Coating is already compliant with current safety regulations, there is an opportunity to further strengthen its adoption through future bylaws. These bylaws could mandate its availability at all sites with PV installations to enhance public safety. Possible provisions could include:

  • Mandatory On-Site Availability: Require all buildings with PV installations to have light-blocking coatings readily available for emergency use.
  • Emergency Response Protocols: Establish protocols that prioritize the use of light-blocking coatings during emergency responses to PV-related incidents.
  • Training for First Responders: Ensure all emergency personnel are trained in the safe and effective application of light-blocking coatings.

Such regulations would not only enhance public safety but also standardize the use of critical safety solutions in the growing renewable energy sector.


5. Why the Tier 1 Light Blocking Coating is a Certified Solution

The Tier 1 Light Blocking Coating is recognized as a Tier 1 solution because it directly addresses the primary danger posed by PV systems: continuous electricity generation. As an internationally accredited and certified product, it offers:

  • Immediate Risk Mitigation: By blocking light and stopping power generation at the source, the coating eliminates the electrocution hazard.
  • Compliance with International Standards: The product meets the highest safety standards globally, making it a trusted solution for use by fire and emergency services worldwide.

6. Conclusion: An Immediate, Compliant, and Essential Safety Solution

The Tier 1 Light Blocking Coating is an essential tool for protecting first responders, property occupants, and the general public during emergencies involving PV systems. It fits seamlessly within existing safety regulations, meaning no new bylaws are needed for its use. However, future legislation could strengthen its implementation and ensure that all buildings with solar installations are equipped with this vital safety solution.

For more information on Tier 1 Light Blocking Coating and how it can improve safety in solar-equipped buildings, please contact us.

The Fire Protection Association – Article

The Fire Protection Association is the UK’s leading fire safety organisation, committed to setting the highest industry standards, influencing policy and supporting our members with the most comprehensive fire safety news, advice, training, resources and exclusive member benefits to support you in your role.

Read this article below

By Jim Foran is the Director and CEO of PVSTOP International Pty Ltd

https://www.thefpa.co.uk/news/photovoltaics-and-fire

Product

“Welcome to the PVStop Product Hub! Explore cutting-edge technology designed for the safety of your solar installations. On this page, you’ll find comprehensive technical specifications, certifications, and user manuals for PVStop — the innovative solution for swiftly de-energizing solar panels during emergencies. Stay informed, shop online with ease through our Woo Commerce platform, and use our exclusive coupon system to support your dedicated agent or reseller. Your safety is our priority, and PVStop is here to empower your renewable energy journey. Dive into the details and secure your solar investments effortlessly.”