Commercial Solar Installations — Reduce Costs, Meet ESG Targets
Commercial solar is one of the most effective investments a South Wales business can make. With energy prices remaining high and sustainability increasingly important to customers and investors, a commercial solar installation delivers both immediate financial returns and long-term strategic value.
GL Solar designs and installs commercial solar systems for businesses of all sizes across Cardiff and South Wales — from small retail units and offices to large warehouses and industrial facilities. Our MCS certified team handles every aspect of your project, from initial feasibility survey and planning through to installation, grid connection and ongoing maintenance.
Most commercial solar systems in Cardiff pay back within 4–7 years and then generate free electricity for 25+ years. We provide detailed ROI analysis and projected savings as part of our free feasibility survey.
We work with every sector — offices, warehouses, retail, manufacturing, hotels, care homes, schools, gyms, pubs, restaurants, churches, farms and more. Whatever your business type, we'll design a system that matches your energy profile and roof constraints.
If you are searching for a commercial solar installer near me in Cardiff, GL Solar offers rapid response times, local knowledge and proven results. We cover all Cardiff postcodes from CF3 to CF24 and have completed commercial installations in Cardiff city centre, Cardiff Bay, Roath, Cathays, Canton, Pontcanna, Llandaff, Cyncoed, Whitchurch, Rhiwbina, Llanishen, Pontprennau, Penylan, Grangetown, Splott, Adamsdown, Butetown, St Mellons, Pentwyn, Llanrumney, Ely, Fairwater, Pentrebane, Llanedeyrn and beyond. Our local Cardiff team understands the specific planning requirements, DNO processes and roof types found across these diverse areas.
Businesses searching for commercial solar installation near me in South Wales often ask about costs, payback and process. A typical Cardiff commercial solar installation costs between £1,200 and £1,800 per kW installed, depending on roof access, mounting system and panel specification. With 0% VAT on commercial solar, enhanced capital allowances providing 100% tax relief in year one, and the Smart Export Guarantee for surplus electricity, the financial case is compelling. Most Cardiff businesses achieve full payback within 4 to 7 years, after which all generated electricity is effectively free for the remaining 20+ years of system life.
We also help Cardiff businesses searching for commercial solar with no upfront cost near me, commercial solar PPA near me, or commercial solar lease near me South Wales. Power Purchase Agreements and green finance leases allow businesses to benefit from cheaper solar electricity immediately without capital expenditure. Our commercial team will explain all funding options during your free feasibility survey and help you choose the route that best fits your cash flow and tax position.
What's Included
Free Feasibility Survey
Detailed site survey, energy analysis and ROI modelling for your Cardiff business.
System Design & Planning
Full system design including structural calculations, electrical design and planning applications.
Commercial Installation
Professional installation by our experienced commercial solar team.
Planning & DNO Management
We handle all planning applications, DNO notifications and grid connection paperwork.
Commercial Battery Storage
Optional commercial battery storage to reduce peak demand charges and maximise self-consumption.
Ongoing Maintenance
Annual maintenance contracts to keep your commercial system performing at its best.
Commercial EV Charging
Solar-integrated EV charging for staff parking, commercial fleets and customer charging.
ESG Reporting Support
Full generation documentation for your ESG reports, carbon reduction targets and BREEAM submissions.
Our Process
Free Feasibility Survey
We visit your Cardiff premises, analyse your energy bills and assess your roof for a detailed feasibility report.
ROI Analysis & Proposal
We present a detailed proposal with system design, projected savings, payback period and financing options.
Planning & DNO
We manage all planning applications and DNO notifications — you don't need to deal with any bureaucracy.
Installation
Our commercial installation team completes the project with minimal disruption to your business operations.
Grid Connection & Commissioning
We manage the grid connection process and commission your system to ensure it's generating from day one.
Monitoring & Maintenance
We set up commercial monitoring and offer ongoing maintenance contracts to protect your investment.
Why Choose GL Solar Cardiff?
4–7 Year Payback
Most Cardiff commercial solar systems pay back within 4–7 years.
Meet ESG Targets
Demonstrate your sustainability commitment to customers and investors.
MCS Certified
All commercial installations are fully MCS certified and compliant.
Detailed ROI Analysis
We provide full financial modelling before you commit to anything.
All Sectors Covered
Offices, warehouses, retail, manufacturing, hotels, care homes, schools and more.
0% VAT Benefit
Zero VAT on commercial solar makes the upfront investment lower than ever.
“GL Solar installed a 50kW system on our warehouse in Cardiff Bay. The whole process was professional and well-managed. We're saving over £18,000 a year on energy costs and the system paid for itself in under 5 years. Excellent company.”
Frequently Asked Questions
Areas We Cover in Cardiff & South Wales
GL Solar provides Commercial Solar Installations services across Cardiff and the wider South Wales region. Whether you're in the city centre or the surrounding valleys, our local team is ready to help.