Quick Answer
A 100kW commercial solar system typically costs £75,000-£100,000 fully installed. This includes panels, inverters, mounting, installation, and DNO connection. The system generates approximately 85,000 kWh annually, saving £18,000-£25,000 per year. After AIA tax relief, net cost reduces to approximately £56,000-£75,000.
Key Takeaways
- A 100kW commercial solar system typically costs £75,000-£100,000 fully installed.
- This includes panels, inverters, mounting, installation, and DNO connection.
- The system generates approximately 85,000 kWh annually, saving £18,000-£25,000 per year.
- After AIA tax relief, net cost reduces to approximately £56,000-£75,000.
Solar Installation in Your Area
Related Questions
How much do commercial solar panels cost in the UK?
Commercial solar panels cost £600-£1,000 per kWp installed. A typical 100kW system costs £75,000-£100,000. Costs vary based on system size, roof complexity, and specific requirements. Most businesses see 3-5 year payback periods with 14-20% annual ROI.
What is the payback period for commercial solar panels?
Typical payback periods are 3-5 years for commercial solar installations. This depends on electricity costs, system size, and energy consumption patterns. Businesses with high daytime electricity use see faster payback. After payback, enjoy free electricity for 20+ additional years.
How much can my business save with solar panels?
Businesses typically save 50-70% on electricity costs. A 100kW system can save £15,000-£25,000 annually depending on consumption and electricity rates. Over 25 years, total savings often exceed £400,000. Savings increase as grid electricity prices rise.
What is the cost per kWp for commercial solar?
Commercial solar costs £600-£1,000 per kWp installed in 2026. Larger systems achieve better economies of scale: 50kW systems cost around £800-£1,000/kWp, while 500kW+ systems can achieve £600-£700/kWp. This includes all equipment, installation, and DNO connection costs.
Get Expert Advice for Your Business
Our team can answer any specific questions about solar for your premises.
Request Free Consultation