Reigate, England, United Kingdom, situated at latitude 51.2382 and longitude -0.2081, presents a moderately favorable location for solar PV energy generation throughout the year. This Northern Temperate Zone location experiences significant seasonal variations in solar energy production, which impacts the overall efficiency of solar installations.

Seasonal Solar Performance

Solar energy production in Reigate peaks during the summer months, with an average daily output of 5.08 kWh per kW of installed capacity. Spring follows closely behind, generating 4.29 kWh/day. Autumn sees a considerable decrease in production, dropping to 2.25 kWh/day. Winter experiences the lowest output, with only 1.03 kWh/day, highlighting the challenges of solar energy generation during the colder months.

Optimal Installation Angle

For fixed panel installations in Reigate, England, the ideal tilt angle to maximize year-round solar production is 43 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the location's latitude and seasonal variations in the sun's position.

Environmental and Weather Factors

Several factors can impact solar production in Reigate:

1. Cloud cover: The UK's generally cloudy climate can reduce solar efficiency, particularly during autumn and winter.
2. Rainfall: Frequent rain can temporarily decrease panel performance, though it also helps keep panels clean.
3. Short winter days: The limited daylight hours during winter significantly reduce energy production.

Preventative Measures

To mitigate these challenges and enhance solar energy production, consider the following measures:

• Use high-efficiency solar panels designed for low-light conditions
• Implement a solar tracking system to maximize sun exposure
• Regularly clean and maintain panels to ensure optimal performance
• Consider adding a battery storage system to balance out seasonal variations

While Reigate's location presents some challenges for year-round solar energy production, proper planning and installation can still yield significant benefits. The substantial output during spring and summer months can help offset the reduced production during autumn and winter, making solar PV a viable renewable energy option for this area.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 911 locations across United Kingdom. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in United Kingdom by location

Solar output per kW of installed solar PV by season in Reigate

Seasonal solar PV output for Latitude: 51.2382, Longitude: -0.2081 (Reigate, United Kingdom), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 43° South in Reigate, United Kingdom

To maximize your solar PV system's energy output in Reigate, United Kingdom (Lat/Long 51.2382, -0.2081) throughout the year, you should tilt your panels at an angle of 43° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Reigate, United Kingdom

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Reigate, United Kingdom. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 43° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
35° South in Summer	54° South in Autumn	64° South in Winter	43° South in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Reigate, United Kingdom

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Reigate, United Kingdom.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Reigate, United Kingdom

Reigate, a town in Surrey, England, is situated in an area with varied and picturesque topography. The landscape surrounding Reigate is characterized by a mix of gentle hills, valleys, and flat areas, creating a diverse and attractive environment. To the north of Reigate lies the North Downs, a ridge of chalk hills that runs from Farnham in Surrey to the White Cliffs of Dover in Kent. This prominent feature dominates the northern horizon and provides a striking backdrop to the town. The North Downs Way, a long-distance footpath, passes close to Reigate, offering scenic views of the surrounding countryside. South of Reigate, the land gradually slopes down towards the Weald, a region of wooded hills and valleys. This area is known for its rich agricultural land and scattered woodlands, contributing to the rural charm of the region. Reigate itself sits in a gap in the North Downs, which has historically made it an important transport route. The town center is relatively flat, but as you move outwards, the terrain becomes more undulating, with small hills and dips creating a varied landscape.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors need to be taken into account. The ideal location would have relatively flat or gently sloping land, good exposure to sunlight, and minimal shading from trees or buildings. The areas to the south of Reigate, extending towards Horley and Gatwick Airport, offer some potential for solar PV development. This region features more open, flatter terrain with fewer obstructions, which could provide suitable sites for solar farms. The agricultural lands in the Weald to the south and southeast of Reigate might also present opportunities for solar PV installations. These areas often have large, open fields that could accommodate solar panels without significant alterations to the landscape. However, it's important to note that much of the surrounding area is designated as Green Belt or Areas of Outstanding Natural Beauty (AONB), which may limit large-scale development. Any solar PV projects would need to be carefully planned and assessed to ensure they comply with local planning regulations and environmental protections. Additionally, the rolling hills to the east and west of Reigate, while picturesque, may not be ideal for large solar installations due to their uneven terrain and potential for shading. These areas are better suited to smaller, residential or community-scale solar projects rather than industrial-sized solar farms. In conclusion, while the topography around Reigate offers a mix of landscapes, the flatter areas to the south and southeast present the most promising locations for large-scale solar PV development, subject to careful planning and environmental considerations.

United Kingdom solar PV Stats as a country

United Kingdom ranks 14th in the world for cumulative solar PV capacity, with 13,689 total MW's of solar PV installed. This means that 4.00% of United Kingdom's total energy as a country comes from solar PV (that's 20th in the world). Each year United Kingdom is generating 203 Watts from solar PV per capita (United Kingdom ranks 25th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United Kingdom?

Yes, there are several incentives for businesses wanting to install solar energy in the United Kingdom. The UK government offers a Feed-in Tariff (FiT) scheme which pays businesses for every unit of electricity they generate from their solar panels. Additionally, businesses may be eligible for tax reliefs such as Enhanced Capital Allowances and Renewable Heat Incentives. Finally, some local authorities offer grants or other financial support to help businesses with the cost of installing solar energy systems.

Do you have more up to date information than this on incentives towards solar PV projects in United Kingdom? Please reach out to us and help us keep this information current. Thanks!

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.