Commercial Solar Panel Installation in Wales
Reduce your business energy costs with commercial solar systems and £0 upfront PPA options across South Wales.
Commercial Solar Panel Installation for Businesses in Wales
Commercial solar panels are one of the most effective ways for businesses in Wales to reduce electricity costs and take control of long-term energy usage.
With energy prices continuing to rise, more organisations are investing in solar PV systems to generate their own electricity on-site, reduce reliance on the grid, and protect against future price increases.
At Celtic Green Energy, we design and install tailored commercial solar systems for businesses across South Wales, including warehouses, manufacturing facilities, farms, and commercial properties.
Our solutions are built around your building, your energy usage, and your long-term goals whether you’re looking to invest outright or take advantage of £0 upfront Solar Power Purchase Agreements (PPA).
How Commercial Solar Panels Work for Businesses
Commercial solar panel systems allow businesses to generate their own electricity on-site, reducing reliance on the grid and lowering long-term energy costs. By installing solar panels on your roof or land, your business can produce clean energy throughout the day and use it directly within your operations
Generate Power
Solar panels convert daylight into electricity, generating power throughout the day to support your business operations.
Use It On-Site
The electricity generated is used on-site first, reducing the amount of energy you need to purchase from the grid.
Store or Export
Any unused energy can be stored in battery systems for later use or exported back to the grid, depending on your setup.
Reduce Costs
By generating your own electricity, your business benefits from lower energy bills, greater cost certainty, and improved sustainability performance over time.
Designed Around Your Business
Every commercial solar system we install is tailored to your building, roof structure, and energy usage. With over 13 years of experience delivering commercial solar installations across Wales, our team ensures every system is designed to maximise performance, efficiency, and long-term return on investment.
How Much Can Commercial Solar Save Your Business?
Most businesses we work with save £10,000–£50,000 per year by generating their own electricity on-site.
Typical System Cost
£40,000
Annual Energy Savings
£5000 to £15k
Typical Payback Period
3–5 Years
Buy Outright
Full ownership and maximum long-term return on investment.
Pay As You Save
Spread the cost of your system while benefiting from reduced energy bills.
Solar PPA (0% Upfront)
No upfront investment. Pay only for the electricity you use at a lower rate.
Supporting Your Green Strategy
At Celtic Green Energy, we help businesses align with ISO 14001 environmental management systems, reduce greenhouse gas emissions, and move towards Net Zero. Our commercial solar solutions contribute to Environmental, Social, and Governance (ESG) accreditation by cutting carbon footprints and enhancing sustainability strategies. By investing in renewable energy, your business not only reduces operational costs but also demonstrates a strong commitment to corporate social responsibility (CSR). Whether you are working towards compliance with UK and Welsh Government carbon reduction targets or looking to enhance your green credentials, our team can provide the expertise and solutions to support your sustainability objectives.
Why Celtic Green Energy?
With over 13 years of hands-on experience in the renewable energy sector, we know exactly what commercial clients across Wales need — reliability, results, and real return on investment.
We don’t just install solar systems — we build lasting partnerships with our clients. From your initial survey through to years of ongoing support, our local team is here to ensure you get the most out of your energy investment.
Large Projects? We’re Built for Them.
Commercial-scale solar requires expert design, planning, and precision installation. We recommend getting in touch as early as possible to involve us in your project planning — the earlier, the better.
You’re in Safe Hands With Celtic Green:
25-Year Performance Warranty on Solar Panels
20-Year Warranty on Inverters
ISO 9001 & ISO 14001 Accredited
RECC Members & CHAS Compliant
Expertise in Planning Applications & DNO Submissions
Real Businesses. Real Energy Savings
Businesses across Wales are saving £10,000–£50,000 per year with commercial solar.
Tovali Drinks
£13,000 Annual Energy Savings
Installed a commercial solar system to reduce grid reliance and stabilize long-term energy costs.
See Full Project →
Cardiff Harlequins
48% Reduction in Energy Costs
Solar installation helping the club cut operational costs and improve sustainability.
See Full Project →
Zeta Alarms
£12,000+ Saved Per Year
Commercial solar system designed to deliver immediate savings and long-term ROI.
See Full Project →
Start Reducing Your Energy Costs Today
Book a free commercial solar assessment and find out how much your business could save.
