Alternergy is a wholesaler and distributor of solar PV systems based in West London and was established in 2006. We are one of the UK’s top three distributors, but unique in offering only high quality and excellent value solar photovoltaic solutions. We tailor our service to each individual customer, whether it is a small business or a major company. We have direct supply agreements with some of the world’s best known solar energy product manufacturers.

The combination of keen pricing, attention to detail and, above all, our superior and friendly customer service, has proved to be a compelling proposition. We offer free design support and technical assistance and by developing highly effective solutions, we have created an enviable reputation for exceptional expertise, industry knowledge and quality of service.

Alternergy has a high level of experience and knowledge covering small residential systems, medium size commercial systems, large turnkey installations, agricultural design, and project financing. We have helped develop and supply projects across the UK and Europe. That is why all of our solar panels have both ammonia and salt water certification, so our customers know that we only supply quality products that can be trusted in any environment.Wherever possible, emphasis is placed on adding value for the client and exploring creative options to provide something extra. Whether you require a standard installation or a bespoke design, we pride ourselves on our ability to deliver the solution to suit your installation and get the best return for your project.


Solar Panels:

  • 180Wto 250W Panels with up to 15.67% efficiency
  • 0/+5 power output tolerance
  • CHUBB insured 10 year limited product warranty
  • 25 year power output guarantee
  • Required Quality Certificates

Solar Inverters:

  • Range of 1.5–17kW Inverters
  • Max Efficiency 98%
  • Superior MPP voltage ranges
  • 10 year warranty
  • Dual MPP Tracker for >3kW models
  • High Enclosure Protection Class - IP65
  • Required Quality Certificates

Solar Mounting Systems

  • Wide range of pitched roof hooks
  • Flat Roof, Tilt Frames
  • Flat Roof, Gridlock/Colourbond clamps
  • Ground Mounted Solutions


Swan Business Centre

9 Fishers Lane


W4 1RX

United Kingdom

020 8996 9560