Solar PV Analysis of Brakpan, South Africa
Brakpan, Gauteng, South Africa, situated at latitude -26.2332 and longitude 28.3644, offers a promising location for solar PV energy generation throughout the year. This Southern Sub-Tropical region experiences varying levels of solar potential across the seasons, with some notable fluctuations.
Seasonal Solar Performance
Spring emerges as the most productive season, with an impressive daily output of 7.01 kWh per kW of installed solar capacity. Summer follows closely, generating 6.26 kWh/day, while autumn maintains a respectable 5.78 kWh/day. Winter sees a dip in production, yielding 4.82 kWh/day, but still provides a substantial contribution to the overall annual energy output.
Optimal Panel Positioning
To maximize year-round solar energy production in Brakpan, Gauteng, fixed solar panels should be tilted at a 25-degree angle facing North. This optimal angle ensures the panels capture the most sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.
Environmental Considerations
While Brakpan generally offers favorable conditions for solar energy production, there are a few environmental factors to consider:
- Dust and air pollution: Brakpan's proximity to mining activities may lead to increased dust in the air, potentially reducing panel efficiency.
- Occasional hailstorms: The region can experience severe weather, including hailstorms, which may pose a risk to solar panel integrity.
Preventative Measures
To mitigate these potential issues, consider implementing the following measures:
- Regular cleaning: Establish a routine cleaning schedule to remove dust and debris from the panels, maintaining optimal efficiency.
- Hail-resistant panels: Invest in solar panels with high impact resistance ratings to withstand potential hailstorms.
- Protective covers: Consider installing removable protective covers that can be deployed during severe weather events.
By addressing these factors and optimizing panel placement, Brakpan's solar potential can be effectively harnessed, providing a reliable and sustainable energy source throughout the year.
Note: The Southern Sub Tropics extend from -23.5° latitude South down to -35° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 196 locations across South Africa. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in South Africa by location
Solar output per kW of installed solar PV by season in Brakpan
Seasonal solar PV output for Latitude: -26.2332, Longitude: 28.3644 (Brakpan, South Africa), 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 25° North in Brakpan, South Africa
To maximize your solar PV system's energy output in Brakpan, South Africa (Lat/Long -26.2332, 28.3644) throughout the year, you should tilt your panels at an angle of 25° North 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 Brakpan, South Africa
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 Brakpan, South Africa. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 25° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 10° North in Summer | 32° North in Autumn | 42° North in Winter | 20° North 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 Brakpan, South Africa
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 Brakpan, South Africa.
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 Brakpan, South Africa
The topography around Brakpan, South Africa, is characterized by gently rolling hills and relatively flat terrain. This area is part of the Highveld region, which is a large plateau that covers much of the northeastern part of South Africa. The elevation in and around Brakpan is generally between 1,600 and 1,700 meters (about 5,250 to 5,580 feet) above sea level.
The landscape surrounding Brakpan is mostly open grassland, with some scattered trees and shrubs. There are also numerous shallow depressions and small streams that crisscross the area. The soil is typically sandy or clay-like, which is a result of the region's geological history and mining activities.
When considering areas nearby that would be most suited for large-scale solar PV (photovoltaic) installations, several factors come into play. The ideal locations would have the following characteristics:
- Flat or gently sloping land: This makes it easier and more cost-effective to install solar panels.
- Open areas with minimal shading: Unobstructed access to sunlight throughout the day is crucial for maximum energy production.
- Proximity to existing infrastructure: Being close to power lines and roads can reduce development costs.
- Low ecological value: Areas that are not environmentally sensitive or used for agriculture are preferred.
Based on these criteria, the areas to the east and southeast of Brakpan would likely be well-suited for large-scale solar PV projects. These regions tend to have more open, flat land that is not heavily developed or forested. Specifically, the areas between Brakpan and Heidelberg, as well as the land stretching towards Nigel and Duduza, could offer good potential sites for solar installations.
It's important to note that while the topography and general characteristics of the land around Brakpan are favorable for solar PV, any specific project would require detailed on-site assessments. These would include studies of local weather patterns, soil conditions, and environmental impact, as well as considerations of land ownership and local regulations.
South Africa solar PV Stats as a country
South Africa ranks 21st in the world for cumulative solar PV capacity, with 6,221 total MW's of solar PV installed. This means that 2.00% of South Africa's total energy as a country comes from solar PV (that's 34th in the world). Each year South Africa is generating 105 Watts from solar PV per capita (South Africa ranks 38th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in South Africa?
Yes, there are several incentives for businesses wanting to install solar energy in South Africa. The government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy projects. These include the Renewable Energy Feed-in Tariff (REFIT) program, which provides long-term contracts with guaranteed prices for electricity generated from renewable sources; the Accelerated Depreciation Allowance (ADA), which allows businesses to deduct up to 50% of their capital expenditure on renewable energy projects from their taxable income; and the Small Scale Embedded Generation (SSEG) program, which provides financial support for small-scale solar installations. Additionally, some local governments offer grants or subsidies to help offset the cost of installing solar systems.
Do you have more up to date information than this on incentives towards solar PV projects in South Africa? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 24th of August 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.
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.
