Staines-upon-Thames, England, located in the Northern Temperate Zone of the United Kingdom, presents a moderately suitable location for solar photovoltaic energy generation, though with significant seasonal variations that are typical for this latitude.
Seasonal Solar Performance
The solar energy output at this location shows dramatic seasonal differences. Summer provides the strongest performance at 5.07kWh per day per kW of installed capacity, making it an excellent time for solar generation. Spring follows as the second-best season with 4.28kWh per day per kW, offering substantial energy production as daylight hours increase and the sun climbs higher in the sky. Autumn sees a notable decline to 2.25kWh per day per kW as the sun's angle decreases and weather conditions become less favorable. Winter presents the most challenging period, dropping to just 1.03kWh per day per kW of installed solar capacity, representing only about 20% of summer production levels.Optimal Installation Setup
For maximum year-round energy production at Staines-upon-Thames, England, solar panels should be installed at a fixed angle of 44 degrees facing south. This optimal tilt angle has been calculated to maximize total annual solar output by accounting for the sun's varying position throughout the year and weighting for the actual solar irradiance potential at this specific latitude.Local Factors Affecting Solar Production
Several environmental and weather factors in the Staines-upon-Thames area can significantly impact solar energy generation:- Frequent cloud cover and overcast skies, particularly during autumn and winter months, which can reduce solar irradiance
- High humidity and fog conditions common in the Thames Valley region, especially during cooler months
- Air pollution from nearby London and Heathrow Airport, which can create atmospheric haze reducing solar panel efficiency
- Regular rainfall throughout the year that can temporarily reduce output and leave residue on panels
Preventative Measures for Better Performance
Several installation strategies can help maximize solar energy production despite these local challenges:- Install panels with adequate spacing to prevent shading and allow proper air circulation for cooling
- Use anti-reflective coatings and high-quality glass surfaces that perform better in diffuse light conditions
- Implement regular cleaning schedules to remove dust, pollen, and pollution residue, particularly important given the proximity to major transport hubs
- Consider micro-inverters or power optimizers to minimize the impact when individual panels are partially shaded
- Ensure proper drainage and ventilation around installations to prevent moisture buildup
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 Staines-upon-Thames
Seasonal solar PV output for Latitude: 51.4298, Longitude: -0.5106 (Staines-upon-Thames, 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 44° South in Staines-upon-Thames, United Kingdom
To maximize your solar PV system's energy output in Staines-upon-Thames, United Kingdom (Lat/Long 51.4298, -0.5106) throughout the year, you should tilt your panels at an angle of 44° 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 Staines-upon-Thames, 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 Staines-upon-Thames, United Kingdom. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 44° 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 | 65° 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 Staines-upon-Thames, 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 Staines-upon-Thames, United Kingdom.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Staines-upon-Thames, United Kingdom
Topography of Staines-upon-Thames
The area around Staines-upon-Thames sits in the Thames Valley, characterized by predominantly flat terrain with gentle undulations typical of the River Thames floodplain. This part of Surrey lies at a relatively low elevation, generally between 15 and 30 meters above sea level, creating an expansive landscape with minimal topographical barriers. The River Thames meanders through the region, having carved out a broad valley over millennia, leaving behind fertile alluvial deposits and creating the characteristically level ground that defines much of the surrounding countryside. The landscape extends across gently rolling hills that rise gradually from the river valley, with the North Downs visible as a distant ridge to the south. These low-lying areas are interspersed with gravel terraces left by ancient river channels, creating subtle variations in elevation but maintaining the overall flat character of the region. The topography is further shaped by numerous tributaries and drainage channels that feed into the Thames, including the River Colne and various smaller waterways that have contributed to the area's relatively uniform, low-lying profile.Optimal Areas for Large-Scale Solar PV Development
The flat to gently undulating terrain surrounding Staines-upon-Thames presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable locations would be the extensive agricultural fields that stretch across the Thames Valley, particularly those on the slightly elevated gravel terraces that offer good drainage while maintaining the level ground essential for efficient solar panel deployment. Areas to the west and southwest of Staines, extending toward the M25 corridor, contain numerous large agricultural parcels with minimal shading from trees or buildings. These locations benefit from the open aspect typical of the Thames Valley, with few natural obstructions to block sunlight throughout the day. The gentle south-facing slopes that rise gradually from the river valley would be particularly advantageous, as they naturally orient toward the optimal angle for solar collection while maintaining the accessibility required for construction and maintenance. The farmland extending northward toward Colnbrook and eastward toward Ashford also presents promising opportunities, with large contiguous areas of relatively flat ground that could accommodate substantial solar arrays. These areas are characterized by open field systems with minimal tree cover, reducing potential shading issues that could impact solar panel efficiency. The proximity to existing electrical infrastructure along major transport corridors, including the M25 and various railway lines, provides additional advantages for grid connection. Former gravel extraction sites, which are common throughout this part of the Thames Valley due to the geological deposits left by ancient river systems, often provide ideal conditions for solar development once restoration is complete. These sites typically feature level ground with established access routes and may have fewer competing land uses than prime agricultural areas.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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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 15th of August 2025
Last Updated: Friday 15th of August 2025
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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.




