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What Kills a Solar Inverter? Exploring Common Culprits and Solutions

Updated: Feb 22

In the realm of renewable energy, solar power stands as a beacon of sustainability, offering businesses and homeowners an eco-friendly and cost-effective solution to their energy needs.

At the heart of any solar power system lies the solar inverter, a crucial component responsible for converting the sun's rays into usable electricity. However, like any mechanical device, solar inverters are susceptible to wear and tear, and understanding the factors that can lead to their demise is paramount for commercial customers, especially Operations and Maintenance teams (O&Ms).

Let's delve into what kills a solar inverter:

1. Environmental Factors:

Solar inverters are often exposed to harsh environmental conditions, including extreme temperatures, moisture, and dust. Over time, these elements can cause corrosion, overheating, and electrical shorts, leading to performance degradation or complete failure.

2. Electrical Surges:

Power fluctuations, lightning strikes, or electrical grid disturbances can subject solar inverters to damaging voltage spikes. Without adequate surge protection mechanisms, inverters may suffer irreparable damage, necessitating costly replacements.

3. Component Degradation:

Like any electronic device, solar inverters consist of various components such as capacitors, transistors, and circuit boards. Over time, these components may degrade due to prolonged use, manufacturing defects, or inadequate cooling, resulting in diminished performance or outright failure.

4. Poor Installation or Maintenance:

Improper installation practices or inadequate maintenance can exacerbate the wear and tear on solar inverters. From substandard wiring configurations to neglecting routine inspections, overlooking these critical aspects can significantly shorten the lifespan of inverters.

With over 30+ years of industry experience, European Network Services (ENS) stands as a trusted authority in solar inverter repair and maintenance. As a leading provider in the field, we've encountered a wide range of issues that can compromise the functionality of solar inverters.

We recognise the importance of proactive maintenance and timely repairs in maximising the longevity and efficiency of solar inverters. Our team of skilled technicians is equipped with the expertise and tools necessary to diagnose and address a wide range of inverter issues promptly.

A diagram of how solar energy converts from sunlight to powering a house
Image showing a faulty solar inverter with visible signs of damage and then restored to full functionality by European Network Services.

For commercial customers seeking cost-effective solutions, we offer a diverse range of refurbished inverters through our online shop, InverterHub. Our refurbished stock undergoes rigorous testing and quality assurance procedures to ensure optimal performance and reliability, providing an environmentally-friendly alternative to purchasing new equipment.

Additionally, for those in need of new replacement inverters or comprehensive repair services, we invite you to reach out to us at Our dedicated team is committed to delivering tailored solutions that meet your specific requirements, backed by decades of industry experience and unparalleled customer satisfaction.

In conclusion, safeguarding the longevity and performance of solar inverters is essential for businesses looking to harness the full potential of solar energy. By understanding the common factors of what kills a solar inverter and partnering with a trusted repair and maintenance provider like European Network Services, commercial customers can mitigate risks, minimise downtime, and maximise returns on their renewable energy investments.

European Network Services: ‘Saving the planet one component at a time…’

Contact European Network Services today for all your solar inverter needs. Start harnessing the sun's energy and contribute to a greener and more sustainable future! Visit our website at

For a range of new and refurbished solar inverters, check out Inverter Hub. Take the next step towards a clean energy future!

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