Does Hail Damage Solar Panels During Arizona Monsoons?

Published: July 11, 2025

Arizona’s Monsoon season brings dramatic weather changes that can leave Arizona homeowners wondering about the safety of their solar investments. With golf ball-sized hail and severe thunderstorms becoming increasingly common, understanding how these weather events affect solar panels is crucial for protecting your energy investment. At Solar Topps, we service the entire state of Arizona with Solar Energy. We mainly service the cities of Phoenix, Tucson, Scottsdale, Paradise Valley, Fountain Hills, Gilbert, Mesa, Glendale, and Chandler.

Arizona’s 2025 Monsoon Season presents unique challenges for solar panel owners. While modern solar panels are engineered to withstand harsh weather conditions, the intensity of Monsoon Storms requires careful preparation and understanding of potential risks. This comprehensive guide by Solar Topps examines how hail and other monsoon weather events can impact your solar system and what steps you can take to protect your investment. Protect your Home’s Solar Energy System from Hail and other monsoon-related weather issues. If you need maintenance on your Solar Energy System due to damage, please make sure to fill out a Residential Quote. 

Understanding Arizona’s Monsoon Season

When Is Monsoon Season in Arizona?

Arizona Monsoon Season 2025 officially runs from June 15 through September 30, with peak activity typically occurring between July and early September. During this period, atmospheric conditions create the perfect storm for severe weather events that can threaten solar installations across the state.

The monsoon season brings several weather phenomena that can impact solar panels:

• Severe thunderstorms with high winds exceeding 60 mph
• Heavy rainfall can stress mounting systems
• Hailstorms ranging from pea-sized to golf ball-sized stones
• Dust storms can reduce panel efficiency
• Temperature fluctuations that can affect panel performance

Arizona Monsoon Damage Patterns For Phoenix

Arizona monsoon damage varies significantly across the state. Phoenix monsoon damage tends to be more severe due to the urban heat island effect, which can intensify storm systems. Historical data shows that the Phoenix metropolitan area experiences some of the most severe hail events during monsoon season, with storms capable of producing hailstones exceeding two inches in diameter.

The National Weather Service reports that Arizona experiences approximately 15-20 significant hail events annually during monsoon season, with the majority occurring in the central and eastern portions of the state.

Does Hail Damage Solar Panels? Can Solar Panels Be Damaged by Hail?

Understanding Solar Panel Vulnerability

The question “does hail damage solar panels?” has a nuanced answer. Modern solar panels are designed with durability in mind, featuring tempered glass surfaces that can withstand significant impact. However, the size, speed, and angle of solar panels with hailstones determine the extent of potential damage.

Solar panels undergo rigorous testing to meet industry standards:

• UL 61730 certification ensures panels can withstand hailstones up to 1.25 inches in diameter
• IEC 61215 testing includes impact resistance at speeds up to 51 mph
• Tempered glass construction provides 4-6 times more strength than regular glass

Types of Hail Damage to Solar Panels

Hail can cause several types of damage to solar installations:

Surface Damage:

• Micro-cracks in the glass surface
• Visible chips or fractures
• Scratches that can affect light transmission

Internal Damage:

• Damaged solar cells beneath the glass
• Compromised electrical connections
• Reduced power output capacity

Structural Damage:

• Bent or damaged mounting rails
• Compromised roof attachment points
• Inverter or electrical component damage

How Monsoon Weather Affects Solar Panel Performance

Immediate Weather Impacts

During active monsoon storms, solar panels face multiple challenges beyond hail damage:

Wind Damage:

High winds can stress mounting systems and potentially lift panels if not properly secured. Arizona’s monsoon winds regularly exceed 60 mph, with some storms producing winds over 80 mph.

Dust and Debris:

Monsoon storms often begin with dust storms that can coat panels with fine particles, reducing efficiency by 15-25% until cleaned.

Temperature Fluctuations:

Rapid temperature changes can cause thermal stress on panels and mounting hardware, potentially leading to micro-fractures or connection issues.

Long-term Performance Considerations

Roof monsoon damage can have lasting effects on solar system performance:

• Accumulated dust from multiple storms can create persistent efficiency losses
• Micro-damage from repeated hail exposure may compound over time
• Moisture infiltration through damaged seals can cause electrical issues

How to Protect Solar Panels from Hail: Does Hail Damage Solar Panels?

Protecting solar panels from hail and other extreme weather conditions is essential for maintaining their longevity and efficiency. By implementing proactive measures and leveraging protective technologies, Arizona property owners can minimize potential damage and ensure optimal system performance even in challenging climates. The following section outlines practical strategies and solutions to safeguard solar panels from hail impacts.

Proactive Protection Strategies

System Design Considerations:

• Install panels at optimal angles to deflect hail impact
• Use high-quality mounting systems rated for extreme weather
• Consider panel placement to minimize exposure to prevailing storm directions

Temporary Protection Measures:

• Hail guards or protective covers for extreme weather events
• Monitoring weather forecasts for severe storm warnings
• Temporary panel shutdown procedures during extreme weather

Professional Installation Standards:

Working with experienced solar installers ensures your system meets Arizona’s specific weather challenges. Proper installation includes:

• Reinforced mounting systems are designed for high winds
• Waterproof electrical connections
• Appropriate grounding and surge protection

Choosing Hail-Resistant Solar Panels

When selecting solar panels for Arizona installations, prioritize models with enhanced durability features:

Enhanced Glass Technology:

• Thicker tempered glass (4mm instead of 3.2mm)
• Anti-reflective coatings that maintain clarity after impact
• Reinforced edge construction

Frame Construction:

• Aluminum frames with corner keys for added strength
• Corrosion-resistant materials for longevity
• Proper drainage design to prevent water accumulation

What to Do When Damaged Solar Panels Occur

When solar panels sustain damage, it is important to address the issue promptly and systematically to maintain energy efficiency and prevent further complications. Proper evaluation and timely action can save costs and ensure the longevity of the entire system. The following steps outline essential procedures for dealing with damaged solar panels effectively.

Immediate Response Steps

If you suspect hail damage to your solar panels:

1. Document the damage with photographs from multiple angles
2. Check system performance through monitoring apps or displays
3. Avoid panel contact to prevent electrical hazards
4. Contact professionals for a comprehensive damage assessment

Professional Damage Assessment

Damaged solar panels require professional evaluation to determine:

• Extent of visible and hidden damage
• Impact on system performance and safety
• Repair versus replacement recommendations
• Insurance claim documentation requirements

Insurance and Warranty Considerations

Most homeowners’ insurance policies in Arizona cover solar panel damage from hail and wind. However, coverage varies significantly:

Typical Coverage Includes:

• Hail damage to panels and mounting systems
• Wind damage to electrical components
• Roof damage affecting solar installations

Coverage Limitations:

• Wear and tear exclusions
• Maintenance-related damage
• Damage from failure to secure systems properly

Monsoon Season Preparation Checklist

Proper preparation and timely response are essential to ensuring the resilience and efficiency of solar energy systems during and after the monsoon season. By addressing potential vulnerabilities and implementing preventive measures, system owners can minimize downtime, reduce repair costs, and maintain optimal energy production throughout this challenging period.

Before Monsoon Season

System Inspection:

• Visual inspection of all panels for existing damage
• Mounting system security verification
• Electrical connection testing
• Inverter and monitoring system checks

Documentation:

• Photograph the system condition before the storm season
• Update insurance policy information
• Verify warranty coverage details
• Establish emergency contact procedures

Weather Monitoring:

• Sign up for severe weather alerts
• Install weather monitoring apps
• Identify local storm patterns
• Plan response procedures for severe weather warnings

During Active Storms

Safety Protocols:

• Avoid roof access during severe weather
• Monitor system performance remotely
• Document any unusual system behavior
• Prepare for potential power outages

Immediate Response:

• Photograph any visible damage immediately after storms
• Note changes in system performance
• Avoid touching damaged panels or wiring
• Contact professional services for assessment

Conclusion: Protecting Your Solar Investment in Arizona With Solar Topps

Arizona’s monsoon season presents real challenges for solar panel owners, but proper preparation and professional support can minimize risks and protect your investment. While hail damage to solar panels is possible, modern panels are remarkably resilient when properly installed and maintained.

The key to successful monsoon season preparation lies in proactive planning, professional installation, and rapid response when damage occurs. By understanding the risks and implementing appropriate protection strategies, Arizona homeowners can confidently maintain their solar systems through even the most severe weather events.

Whether you’re considering new solar installation or need to protect an existing system, working with experienced professionals ensures your solar investment remains productive and protected throughout Arizona’s challenging monsoon season.

Ready to protect your solar investment? Contact Solar Topps today for comprehensive monsoon season preparation, emergency response services, and expert solar solutions designed specifically for Arizona’s unique climate challenges. Our team of solar specialists provides the expertise and support you need to keep your system performing optimally, regardless of what Mother Nature brings.