Solar installation

Solar installation, designed and delivered by Thunder

Complete solar PV systems across Greater London: technical design, DNO approval, MCS certified installation and commissioning.

Book a free solar assessment
End to end

Complete solar delivery

Solar performance is not determined by panel count alone. Layout, orientation, shading, system losses and inverter configuration directly impact yield and return on investment.

  • Engineering
    • Custom PV system design
    • Roof layout optimisation
    • Full G98 or G99 application handling
    • Generation modelling and system sizing
  • Procurement
    • Tier 1 panels and inverters
    • Flexible and lightweight panel options
    • Battery ready system design
    • Optimised sourcing and logistics
  • Construction
    • MCS certified installation
    • Electrical testing and commissioning
    • Full handover documentation
    • Monitoring setup and client guidance
Project references

Our work in action

Residential project

North London installation

7.09 kWp rooftop solar PV system designed using detailed 3D modelling and PVGIS climate data. Full technical design, financial modelling, DNO coordination and MCS certified installation delivered.

  • 5,568 kWh

    Annual generation

  • 82.6%

    Self-consumption

  • 2,112 kg/yr

    CO₂ reduction

  • 7.09 kWp

    System size

Commercial project

Greater London retail rooftop

Approx. 49 kWp commercial rooftop system designed for a large retail property with high daytime electricity demand. Full technical layout, component specification, 25 year generation modelling and financial analysis completed.

  • 41,589 kWh

    Annual generation

  • 95%

    Self-consumption

  • ~11%

    Demand offset

  • ~49 kWp

    System size

Who this is for

Built for homes, developments and small commercial sites

Working on a regulated development? Explore our SAP Optimisation service →

Our process

How we deliver

01

Initial assessment

Roof review, electricity usage analysis and feasibility screening.

02

Technical design

System sizing and annual production forecast using PVGIS climate data and 3D modelling.

03

DNO approval

Full G98 or G99 submission and coordination.

04

MCS installation

Installation, electrical testing and commissioning.

05

Handover

System activation, documentation pack and performance monitoring setup.
Why Thunder

What sets us apart

  • Design-led approach

    Thousands of PV layouts delivered since 2022, all modelled in 2D and 3D.

  • Flexible panel expertise

    Lightweight and retrofit-friendly systems ideal for constrained or renovation projects.

  • Integrated compliance

    We know SAP, Part L and distributed PV inside out.

  • Transparent pricing

    Clear pricing, realistic performance figures and a delivery plan you can follow.

Solar installation

Frequently asked questions

Design, DNO approval, installation and warranties.

Still have a question?

Our UK team is happy to help with anything from a feasibility check to DNO paperwork.

Contact us
Solar Panel 400W - 8 Free assessment · No obligation

Get a quote

Ready to go solar?

Tell us about your roof, garden or balcony and we will come back with a realistic yield estimate and a fixed quote.

  • MCS certified installation
  • G98 / G99 DNO application handled
  • 3D modelling and PVGIS yield forecast
  • Fixed quote, no hidden extras

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