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 accredited — MCS, 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
- Commercial solar PV — rooftop and ground-mounted.
- Commercial battery storage — store daytime generation, add resilience.
- Commercial EV charging — for fleets, staff and customers.
- Operations & maintenance and robotic panel cleaning to protect output.
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.





