The Role of Solar Panel Arrays in Boosting EPC Ratings In Commercial Properties

The Role of Solar Panel Arrays in Boosting EPC Ratings In Commercial Properties

In the commercial property sector, environmental sustainability is increasingly significant. One of the key measures of a building’s energy efficiency is its Energy Performance Certificate (EPC) rating. Today, we’re focusing on the crucial role solar panel arrays play in boosting these ratings for commercial properties.

EPCs provide a rating system from A (most energy-efficient) to G (least efficient). It considers various factors, including the building’s insulation, heating systems, and renewable energy solutions. As per the UK Government’s 2020 data, commercial properties average an EPC rating of ‘E’ [1]. This illustrates a remarkable opportunity for improvements, with solar panels being a key player.

Solar panel arrays, by converting sunlight directly into electricity, offer significant potential for energy savings and carbon footprint reduction. As the National Energy Foundation (NEF) reports, the incorporation of solar panels can boost an EPC rating by up to two bands [2]. This improvement is crucial for commercial properties, which often consume high levels of energy.

Additionally, enhancing the EPC rating of a commercial property through solar panel installation has other benefits. Businesses can reduce their energy costs significantly. A higher EPC rating can increase property values and attract a broader range of potential tenants or buyers, emphasising the financial as well as the environmental incentives.

Moreover, as the UK government aims to achieve ‘net-zero’ carbon emissions by 2050 [3], an EPC rating of ‘C’ will be a minimum legal requirement for all commercial properties by 2030 [4]. Therefore, investing in solar panel arrays is not just a potential enhancement, but a future-proofing strategy for commercial property owners.

In summary, the role of solar panel arrays in boosting EPC ratings for commercial properties is undeniable. It provides an efficient way to improve energy performance, reduce energy costs, increase property values, and meet the upcoming regulatory requirements. The sun has indeed a lot to offer for a sustainable commercial future.


[1]: UK Gov. (2020). Non-domestic Energy Performance Certificate Register. 

[2]: National Energy Foundation (2021). How to improve your EPC rating. 

[3]: UK Gov. (2019). UK becomes first major economy to pass net zero emissions law. Retrieved from 

[4]: UK Gov. (2021). Government sets out plans to clean up our energy system. Retrieved from