40kW Solar Panel System in the UK
Save heavy on your power bills
Does your roof sit idle while you pay sky-high electricity bills? Your business might be missing out on untapped potential. Beyond savings, commercial solar gives UK businesses real control over how they power their operations.
A 40kW solar panel system offers a strong answer for bigger commercial properties. If you manage a logistics hub, food processing plant, healthcare center, or a spacious office, this system can help you get a control on your energy costs while supporting your eco-friendly goals.
Think this could work for you? Let’s dig deeper.
Why Choose a 40kW Solar Panel System?
For many UK businesses that consume a lot of electricity a 40kW solar panel system helps in:
- Delivering sufficient energy to support the heavy usage needs of medium and large commercial properties
- A smart choice for companies with annual electricity bills between £12,000 and £18,000.
- Built with high-quality parts made for business use to ensure reliable, long-lasting performance
- Covered by strong 25-year warranties for long-term peace of mind.
- Reduces your carbon footprint and supports your ESG commitments.
Should Your Business Get a 40kW Solar Panel System?
A 40kW system might suit your needs if your power bill runs between £12,000–£18,000. This setup aims to meet high daytime power needs and offers great value over time.
Typical setup cost: around £40,000, based on:
- Your roof's size build, and how easy it is to reach
- How the panel system is designed and the quality of its parts
- Any power upgrades and how it hooks up to the grid
As a rough guide, that’s about £1,000 for each kW but you’ll get your real price after an on-site check tailored to what your company needs.
Cut your costs, not your profits.
Quick Match Guide
A 40kW system can cover a big part of your needs if your business matches this usage profile. It also gives you control over future bills.
Business Type
Energy Bill
Fit for 40kW?
Distribution Centre
£12,000–£14,000
Ideal Fit
Food Production Facility
£13,000–£16,000
Strong Match
Large Office Space
£12,000–£15,000
Very Suitable
Independent School
£12,500–£16,500
Smart Choice
Private Clinic or Hospital
£14,000–£18,000
Excellent Fit
Please note that we serve a wide range of industries beyond those listed above. These examples are provided to illustrate typical applications. For more information and to discuss how we can support your specific business needs, please feel free to get in touch.
What's Included in a 40kW Solar Installation?
From your first meeting to regular system checks, we take care of the whole process for you.
Solar4Good’s Commercial Process Includes:
Stage
What’s Involved
Site Review
We check your roof, usage patterns, and energy goals
Design Proposal
A custom layout and prediction of system performance
Permissions
We handle all needed DNO approvals and documentation
Installation
Skilled expert installation with little disruption to your business
Ongoing Support
System tracking and quick long-term help
From plan to delivery – solar without the worry.
40kW Solar ROI: When Will It Pay Off?
A 40kW solar system usually costs around £40,000, depending on the roof type, site access, and equipment used.
Most businesses get their money back in 4 to 7 years. After that, the savings help reduce costs and boost profits for years to come.
Want to Discover What's Possible?
Schedule Your Free Site Check Now
Asked Questions:
40kW Commercial Solar
 You bet it’s a great match for medium to large businesses that need lots of power during the day, like offices, warehouses, factories, or care homes.
 For sure. Adding batteries allows you to store extra solar power and tap into it at night or when the grid goes down, giving you more say over how you use your energy.
 In most cases, you will need DNO approval and sometimes planning permission. Do Not worry, we handle all permissions and paperwork for you.
Not at all. Our team works around your schedule and makes sure the process is smooth, safe, and causes little interruption to your daily activities
 We provide full after care, including system monitoring, performance checks, and support so you always know what’s performance.
We install world’s top solar brands
To give you the best solar experience
Save heavy on your power bills
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