Power Your Home, Power Your Future

We redefine the approach to energy by offering custom solar and heating solutions tailored to the unique energy needs of each home.

Popular products

Vertex S+ Dual Glass i-TOPCon

20-year product warranty
  • High efficiency N-type cells
  • Durable dual-glass build
  • Strong low-light performance
  • 25-year product warranty

GivEnergy
All-in-One

10-year guarantee
  • 7.2kW charge/discharge
  • 13.5kWh usable storage
  • Backup power during outages
  • Cheaper off-peak charging

Vaillant
aroTHERM Split

20-year product warranty
  • Quiet, compact outdoor unit
  • Efficient heating and cooling
  • Works in low temperatures
  • Vaillant controls compatible

Huawei
SUN2000

10-year guarantee
  • Smart inverter, with optimiser
  • Supports storage integration
  • High efficiency and reliability
  • Real-time monitoring via app

Why homeowners choose Oakray

Trusted by hundreds of UK homeowners to deliver fast, hassle-free solar installations.

Lower energy bills for life

Lower energy bills for life

Fast, expert installation

Fast, expert installation

Seamless storage integration

Seamless storage integration

Guaranteed performance

Guaranteed performance

24/7 system monitoring

24/7 system monitoring

Government grants available

Government grants available

How it works

Every system starts with a clear view of your energy habits and goals. Using advanced tech
and expert insight, we deliver solutions that cut costs now and grow with you.

Free Consultation
& Site Assessment

Expert consultation and full site check to explore solar, heat pumps, or battery options for your home.

Custom Energy
Design & Proposal

Custom energy systems designed to fit your needs, with clear savings, performance, and transparency.

Seamless Installation & System Activation

Fast, certified installation with full system setup, and full training on how to operate your system.

Ongoing Monitoring & Support

Ongoing monitoring, maintenance and expert support are built in for your total peace of mind.

Energy
Savings
Guide

Energy
Savings
Guide

Considering solar?

This guide shows how to estimate savings, understand your energy use, calculate payback time, and whether a battery makes sense.

Get an instant estimate

Get an instant estimate

The Solar Calculator

Quickly design your solar system by entering your location. Our tool calculates panel layout, output and estimated savings.

Certified, trusted, guaranteed.

Our work meets the highest industry standards for safety, quality and performance.

NIC EIC

NIC EIC

Approved

ISO 9001

ISO 9001

Accredited

ISO 14001

ISO 14001

Accredited

ISO 27001

ISO 27001

Accredited

MCS

MCS

Certified

Ready to get started?

We don’t do instant online quotes because we don’t do generic systems. But give us a call, and we’ll give you a free design consultation tailored to your roof, your usage and your goals.

Get in touch