Bothwell, Scotland, United Kingdom is located in the Northern Temperate Zone and presents a challenging environment for year-round solar energy generation. The solar output data reveals significant seasonal variation that makes this location less than ideal for consistent solar power production throughout the year.
Seasonal Solar Performance
The location shows dramatic differences in solar energy generation across the seasons. Summer produces the highest output at 5.06 kWh per day per kW of installed solar capacity, making it the peak season for solar energy production. Spring follows as the second-best season with 4.15 kWh per day per kW, offering substantial energy generation potential. However, the performance drops significantly during the cooler months. Autumn sees a notable decline to just 1.64 kWh per day per kW, while winter presents the most challenging conditions with only 0.75 kWh per day per kW. This represents more than a six-fold difference between peak summer and winter production.Optimal Installation Configuration
For fixed panel installations at Bothwell, Scotland, the ideal angle to tilt solar panels is 47 degrees facing south to maximize total year-round production. This angle is calculated by analyzing daily solar elevation angles at the latitude, determining optimal panel tilt for each day, and weighting these angles by daily solar potential using solar irradiance data while accounting for Earth's elliptical orbit.Environmental and Weather Challenges
Several significant local factors can impede solar production at this location:- Frequent cloud cover and overcast conditions typical of the Scottish climate reduce direct sunlight reaching the panels
- High humidity and frequent rainfall can create water spots and debris accumulation on panel surfaces
- Snow accumulation during winter months can completely block panels from receiving sunlight
- Strong winds common in the region can cause debris buildup and potentially damage mounting systems
- Limited daylight hours during winter months compound the already reduced solar intensity
Preventative Measures for Better Performance
Several installation strategies can help maximize energy production despite these challenges:- Install panels at the optimal 47-degree tilt to encourage natural snow shedding and water runoff
- Use high-quality anti-reflective coatings and hydrophobic treatments to minimize water spotting and improve light transmission
- Implement regular cleaning schedules, particularly after storms or during high-pollen seasons
- Choose robust mounting systems designed to withstand high winds and weather extremes
- Consider micro-inverters or power optimizers to minimize the impact when individual panels are partially shaded or snow-covered
- Install panels with adequate spacing to prevent snow accumulation between rows
- Select high-efficiency panels that perform better in low-light conditions
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 Bothwell
Seasonal solar PV output for Latitude: 55.8048, Longitude: -4.0744 (Bothwell, 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 47° South in Bothwell, United Kingdom
To maximize your solar PV system's energy output in Bothwell, United Kingdom (Lat/Long 55.8048, -4.0744) throughout the year, you should tilt your panels at an angle of 47° 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 Bothwell, 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 Bothwell, United Kingdom. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 47° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 39° South in Summer | 58° South in Autumn | 69° South in Winter | 47° 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 Bothwell, 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 Bothwell, 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 Bothwell, United Kingdom
Topography Around Bothwell
Bothwell sits in the heart of South Lanarkshire, positioned within the Clyde Valley approximately 10 miles southeast of Glasgow city centre. The landscape here is characterised by gently rolling hills and river valleys that define much of the central Scottish Lowlands. The town occupies a relatively elevated position overlooking the meandering River Clyde, which flows northwestward through a broad valley system carved over millennia.
The immediate terrain around Bothwell features moderate undulations with elevations typically ranging between 50 and 150 metres above sea level. To the north and east, the land rises gradually toward the Campsie Fells and the southern edges of the Scottish Highlands, while southward the topography becomes more pronounced as it approaches the upland areas leading toward the Southern Uplands. The Clyde Valley itself creates a natural corridor through this landscape, with fertile river terraces and floodplains flanking the waterway.
Local topographical features include several small burns and tributaries that drain into the Clyde, creating minor valleys and depressions in the landscape. The geology underlying this area consists primarily of sedimentary rocks from the Carboniferous period, including sandstones and mudstones, with some areas of coal measures that historically supported mining activities. This geological foundation has weathered to create the relatively gentle relief patterns visible today.
Areas Suitable for Large-Scale Solar Development
The most promising locations for large-scale solar photovoltaic installations around Bothwell would be the elevated plateau areas and south-facing slopes that extend eastward and southward from the town. These areas benefit from relatively open terrain with fewer obstructions from buildings, trees, or steep topographical features that could create shadowing issues. The gentle slopes in these directions provide natural advantages for optimal panel positioning while maintaining good drainage characteristics.
Agricultural land on the river terraces and lower hillsides presents excellent opportunities for solar development, particularly where fields are currently used for grazing or less intensive farming activities. These areas typically offer large, uninterrupted spaces with existing access infrastructure and relatively level ground that would minimise earthwork requirements during construction. The proximity to existing electrical infrastructure serving the greater Glasgow area also makes these locations particularly attractive from a grid connection perspective.
Former industrial sites and brownfield areas scattered throughout the region could provide ideal development opportunities without competing with prime agricultural land. The legacy of coal mining and heavy industry in South Lanarkshire has left various parcels of land that, while potentially requiring remediation, offer substantial areas suitable for renewable energy projects. These sites often benefit from existing road access and may have remnant electrical infrastructure that could be upgraded for solar farm connections.
The elevated areas to the southeast of Bothwell, extending toward communities like Uddingston and Bellshill, present particularly favourable conditions due to their combination of appropriate elevation, southern exposure, and distance from major urban centres that might create visual impact concerns. These locations also tend to experience fewer issues with ground fog and mist that can occasionally affect lower-lying areas near the River Clyde during certain weather conditions.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 12th of August 2025
Last Updated: Tuesday 12th 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.




