Commercial Solar Installers in Dorset, Hampshire & Wiltshire

DES Renewable Energy designs and installs commercial solar for businesses across Dorset, Hampshire, Wiltshire and the wider South. From rooftop arrays on warehouses and factories to ground-mounted systems, battery storage and EV charging, we deliver turnkey commercial energy projects — with our own employed teams, not subcontractors.

Why businesses choose us

  • MCS-certified and accreditedMCS, NAPIT, RECC, with an insurance-backed guarantee.
  • Own installation teams — including our own scaffolders — so we control quality and timelines.
  • End-to-end delivery — survey, design, structural checks, DNO application, install and aftercare.
  • Funded or outright — buy the system, or go with funded solar / a PPA for no upfront cost.
  • Local track record — see who we’ve worked with and our commercial case studies.

What we install for businesses

Sectors we work with

We install across a wide range of sectors, including factories & warehouses, farms & agriculture, schools & education, care homes, car dealerships and offices.

What’s the return?

Most commercial systems pay back in around 4–6 years thanks to high daytime self-consumption, then generate largely free power for decades — plus capital-allowance tax relief. Get an indicative figure with our commercial solar ROI calculator, or read our guide to commercial solar costs.

Ready to explore commercial solar for your site? Request a free commercial assessment or call 01202 985 888.