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🌞 How Long Do Solar Panels Last in North London?

🌞 How Long Do Solar Panels Last in North London?

When investing in solar panels in North London, most homeowners want to know: “How long will my system actually last?”

The good news — modern solar panels are designed to last 25–30 years or more, and with professional installation and proper care, they’ll keep saving you money for decades.


🏗️ Average Solar Panel Lifespan

High-quality solar panels from trusted brands (like Jinko, Longi, and JA Solar) typically include:

  • 25-year performance warranty (guaranteed 80–85% efficiency after 25 years)
  • 12–15-year product warranty on materials and workmanship

At Keenan Solar, we only install Tier 1 panels with full UK warranty support.


⚡ What Affects Solar Panel Lifespan?

Several factors influence how long your solar panels last:

  • Installation quality – poor fitting can reduce longevity
  • Weather exposure – panels are built to handle heavy rain, frost, and wind
  • Cleaning & maintenance – occasional cleaning keeps performance consistent
  • Inverter lifespan – inverters usually last 10–15 years and may need one replacement during the system’s life

🔋 Battery & Inverter Lifespan

Battery systems (like EcoFlow or Fox ESS) typically last 10–15 years, with 6,000–10,000 charge cycles.
Inverters are often replaced once during the system’s lifespan — covered by a 15-year Keenan Solar warranty.


🏡 Case Study – Highgate, North London

  • Installed: 2014 (10-year-old system)
  • Panels: 12 x 300W Tier 1 modules
  • Performance Drop: Only ~7% in 10 years
  • Status: Still operating efficiently with new inverter installed in 2023

✅ Why Choose Keenan Solar

When you invest in a solar system in North London, you get:

  • Tier 1 panels with 25-year performance warranties
  • MCS & NICEIC certified installation
  • Free bird proofing & scaffolding
  • In-house installers (no subcontractors)
  • Lifetime aftercare & system monitoring

📍 Areas We Cover

We install solar panels across North London, including Enfield, Barnet, Finchley, Highgate, Camden, Palmers Green, Southgate, and Winchmore Hill.


☀️ Built to Last

Solar panels are a long-term investment — durable, reliable, and designed to power your home for 25+ years.

📞 Call: 020 8133 8704
🌐 keenan-solar.co.uk
📍 North London’s trusted solar installer

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