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Replacement Solar Inverter

Is your solar inverter showing a fault light, making strange noises or not turning on at all? Our inverter replacement service gets your system running again - usually within 24-48 hours. We keep the most common inverters in stock for a quick turnaround.

Think your inverter might be the issue?

Call us today or use the contact form below. We’ll talk you through a few quick checks over the phone and, if needed, book you in for a fast repair — often within 24–48 hours

Pricing:

Inverter replacements start from £495, including the supply and installation of a reliable, high-performance unit like the Solax X1 G4. This includes standard callout and fitting, with no hidden fees. If your system requires a different make such as SolarEdge or Solis, we’ll provide a tailored quote based on your setup.


Not every fault needs a full inverter replacement — that’s why we always carry out a full system check before going ahead. If we find it’s something simpler, we’ll just fix that instead — saving you money.

Get a quote

Our Go-To Replacement – Solax X1 G4:

  • 10-year manufacturer’s warranty

  • Compact and stylish design

  • Free app and internet monitoring

  • Low start-up voltage for better efficiency

  • Trusted for reliability and performance

 

   Other Brand We Install:  SolarEdge / Solis

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How It Works 

  1. Call us to discuss the fault - we’ll run simple checks over the phone

  2. We’ll test your panels and wiring on-site

  3. If the issue isn’t the inverter, we’ll repair only what’s needed

  4. If it is, we’ll install a new inverter - often the same day

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Our Accreditations...

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Incredible service.I had a super specific design for how i wanted my install to go and it was all done better than i could have asked for and really quick too. Super professional and clean, would highly recommend.
Really helpful, prompt, efficient and good value service when my solar panel system had stopped working
Excellent service from Jed and the team at Penta Renewables.
I am delighted with my system and what it has produced.
Only wish I’d got one installed sooner after years of debating.

What Our Customers Say..

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