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Factors Affecting Solar Panel Performance in the UK

As the UK continues to work towards reducing its carbon footprint, solar panels are becoming an increasingly popular option for generating renewable energy. However, like any technology, the performance of solar panels can be affected by a range of factors. In this blog post, we will explore some of the key factors that can impact the performance of solar panels in the UK.

I. Location

The location of a solar panel system can have a significant impact on its performance. In the UK, the amount of sunlight that a solar panel system can receive will depend on its orientation and tilt angle, as well as the amount of shading from nearby buildings and trees.

UK solar resource map
Eastbourne in Sussex is the sunniest town in the UK receiving an 183 hours of sunshine a month on average

II. Weather

The weather conditions in the UK can also affect the performance of solar panels. While solar panels can still generate electricity on cloudy days, their output will be reduced compared to sunny days. In addition, high temperatures can also reduce the efficiency of solar panels, as they operate less efficiently at high temperatures.

III. Maintenance

cleaning solar panels

Regular maintenance of solar panels is essential to ensure that they are performing at their best. Over time, dust, dirt, and other debris can accumulate on the surface of solar panels, reducing their efficiency. In addition, any damage to the panels or their connections can also reduce their performance.

IV. System Design

The design of a solar panel system can also impact its performance. The type of solar panels used, the size of the system, and the type of inverter can all affect the efficiency and output of the system.

V. Time of Day

The time of day can also affect the performance of solar panels. In the UK, the sun is typically lower in the sky during the winter months, which can reduce the amount of sunlight that solar panels receive. In addition, the output of solar panels will vary throughout the day as the sun moves across the sky.

VI. Feed-In Tariff

Rooftop solar panels

The Feed-In Tariff (FIT) is a government incentive scheme that pays homeowners and businesses for generating their electricity using renewable technologies such as solar panels. The FIT can impact the financial viability of a solar panel system and can influence the decision to install one.
Overall, several factors can affect the performance of solar panels in the UK. By considering these factors, homeowners and businesses can make informed decisions when it comes to installing solar panel systems and ensuring that they are performing at their best.

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