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Graph of hourly avg kWh electricity output per kW of Solar PV installed in Port Talbot, United Kingdom (by season)

Port Talbot, Wales, United Kingdom is a decent location for generating solar energy throughout the year. However, it's not an ideal location since the amount of energy generated varies significantly across different seasons.

In simple terms, solar panels generate electricity by converting sunlight into energy. The more sunlight they receive, the more electricity they can produce. At Port Talbot, Wales, during summer and spring when days are longer and sunnier, you can expect your panels to generate quite a bit of power - around 5.42 kilowatt-hours (kWh) per day in summer and about 4.54 kWh/day in spring for every kilowatt (kW) of installed solar.

However, during autumn and winter when days are shorter with less sunshine available due to cloud cover or shorter daylight hours; these same panels will produce less power - approximately 2.31 kWh/day in autumn and even lower at about 1.05 kWh/day in winter per kW of installed solar.

Despite these seasonal variations, you can still maximize your yearly output from your solar photovoltaic (PV) system by installing them at an angle that takes full advantage of the sun's path across the sky throughout the year – which is about 44 degrees facing southwards for this particular location.

As far as local factors that might impede solar production at this site go – weather conditions such as frequent rain or heavy cloud cover could potentially reduce output since they limit how much sunlight reaches your panels. Additionally environmental factors like buildings or trees casting shadows on your installation could also affect performance.

To counteract these potential issues: installers should carefully survey potential sites before installation to ensure there aren't obstructions blocking sunlight; consider using systems that track the sun’s movement through the sky to maximise exposure; make sure panels are easily accessible so they can be cleaned regularly because dust or debris on their surface may reduce efficiency; finally having a good maintenance plan will ensure your system is always working at its best.

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 Port Talbot

Seasonal solar PV output for Latitude: 51.6101, Longitude: -3.7685 (Port Talbot, 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:

Summer
Average 5.42kWh/day in Summer.
Autumn
Average 2.31kWh/day in Autumn.
Winter
Average 1.05kWh/day in Winter.
Spring
Average 4.54kWh/day in Spring.

 

Ideally tilt fixed solar panels 44° South in Port Talbot, United Kingdom

To maximize your solar PV system's energy output in Port Talbot, United Kingdom (Lat/Long 51.6101, -3.7685) 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.

The sun
At Latitude: 51.6101, Longitude: -3.7685, the ideal angle to tilt panels is 44° South

Seasonally adjusted solar panel tilt angles for Port Talbot, 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 Port Talbot, 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 55° South in Autumn 65° South in Winter 44° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Port Talbot, United Kingdom as follows: In Summer, set the angle of your panels to 35° facing South. In Autumn, tilt panels to 55° facing South for maximum generation. During Winter, adjust your solar panels to a 65° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 44° angle facing South to capture the most solar energy in Port Talbot, United Kingdom.

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 Port Talbot, 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 Port Talbot, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Port Talbot, United Kingdom

Port Talbot is located in the county borough of Neath Port Talbot, Wales, United Kingdom. The topography around this area is diverse with a combination of coastal lowlands and hilly terrains. To the south lies Swansea Bay and to the north are several hills and valleys.

Large-scale solar PV projects require areas with high levels of sunlight exposure, flat terrain for easy installation and maintenance, proximity to power grids for efficient energy transmission, as well as minimal environmental or land use conflicts.

Considering these factors:

1. Coastal Areas: Flat coastal regions near Swansea Bay could be suitable for large-scale solar PV installations due to their relatively flat terrain and good sun exposure.

2. Farmland: Some farmlands around Port Talbot can also be considered if they meet the criteria mentioned above.

3. Brownfield Sites: These are previously developed lands that may not currently be in use; examples include old industrial sites or disused quarries which could potentially be repurposed into solar farms.

4. Rooftops: Large rooftops of commercial or industrial buildings within Port Talbot's urban area can also host solar panels without requiring additional land space.

However, any development would need careful planning considering local regulations about land use and potential impact on wildlife habitats especially in more rural areas surrounding Port Talbot.

It should also be noted that while Wales does receive a fair amount of sunlight compared to other parts of UK, it tends to have more cloudy days which might affect efficiency of large scale Solar PV systems.

A detailed feasibility study including site surveys would provide better insights on most suited locations for such an installation around Port Talbot.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Port Talbot, United Kingdom
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 13th of May 2024
Last Updated: Monday 21st of July 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.

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