Solar Energy Potential in Delareyville, North West, South Africa
Delareyville, North West, located in the Southern Sub Tropics of South Africa, offers a favorable environment for solar energy generation throughout the year. The location's solar potential varies across seasons, with impressive output levels that make it an attractive site for photovoltaic (PV) installations. During spring, Delareyville experiences its peak solar energy production, with an average daily output of 7.82 kWh per kW of installed solar capacity. This is followed closely by summer, which yields 6.93 kWh/day. Autumn sees a slight decrease to 5.94 kWh/day, while winter experiences the lowest output at 4.90 kWh/day. Despite the seasonal variations, the region maintains a relatively high solar energy potential year-round. For those considering a fixed panel installation in Delareyville, North West, the ideal tilt angle to maximize total year-round production is 25 degrees facing North. This angle has been calculated to optimize solar capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.Environmental and Weather Considerations
While Delareyville boasts excellent solar potential, there are a few environmental factors to consider: 1. Dust and pollen: The region's semi-arid climate can lead to dust accumulation on solar panels, potentially reducing their efficiency. Regular cleaning and maintenance can mitigate this issue. 2. Occasional hailstorms: Although rare, hailstorms can occur in the area. Installing hail-resistant panels or protective covers can safeguard the solar installation from potential damage. To ensure optimal energy production, implementing a tracking system that adjusts panel angles throughout the day can further enhance solar capture. Additionally, using high-quality, dust-resistant panels and scheduling regular maintenance can help maintain peak performance levels. In conclusion, Delareyville's location in South Africa presents an excellent opportunity for solar PV installations. With proper planning and maintenance, the site can provide substantial and consistent solar energy output throughout the year, making it an ideal location for both residential and commercial solar projects.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 Delareyville
Seasonal solar PV output for Latitude: -26.6825, Longitude: 25.4711 (Delareyville, 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 Delareyville, South Africa
To maximize your solar PV system's energy output in Delareyville, South Africa (Lat/Long -26.6825, 25.4711) 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 Delareyville, 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 Delareyville, 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 |
|---|---|---|---|
| 11° 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 Delareyville, 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 Delareyville, 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 Delareyville, South Africa
The landscape surrounding Delareyville, South Africa, is characterized by its flat, expansive terrain. This small town is situated in the North West Province, in a region known as the Highveld. The topography of the area is predominantly level, with vast open plains stretching as far as the eye can see. The elevation of Delareyville is approximately 1,300 meters (4,265 feet) above sea level, which is typical for much of the Highveld plateau. The terrain around Delareyville is largely featureless, with only subtle undulations in the landscape. There are no significant hills, mountains, or valleys in the immediate vicinity. This flat topography is a result of the area's geological history, with ancient sedimentary rocks forming a stable foundation that has been weathered over millions of years. The soil in the region is generally sandy and well-drained, supporting a mix of grassland and savanna vegetation. During the dry season, the landscape can appear quite arid, with golden grasses dominating the view. However, during the rainy season, the area transforms into a sea of green as the vegetation flourishes.
Suitability for Large-Scale Solar PV
The topography and climate of the Delareyville area make it particularly well-suited for large-scale solar photovoltaic (PV) installations. Several factors contribute to its potential as an ideal location for solar energy production: Firstly, the flat terrain provides ample space for the installation of extensive solar panel arrays without the need for significant land modification. This reduces construction costs and environmental impact. Secondly, the high elevation of the Highveld means that the air is thinner, allowing for more direct sunlight to reach the surface. This increased solar radiation intensity can lead to higher energy production from solar panels. Thirdly, the region experiences a high number of sunny days throughout the year, with relatively low cloud cover. This consistent solar exposure is crucial for maintaining efficient energy production from PV installations. The areas most suited for large-scale solar PV near Delareyville would be the open plains to the north and east of the town. These areas offer vast, uninterrupted spaces with minimal shading from natural features or human structures. The land in these directions is primarily used for agriculture, particularly grain farming, which could potentially be combined with solar energy production through agrivoltaic systems. It's worth noting that while the entire region around Delareyville has good potential for solar energy, specific site assessments would be necessary to determine the optimal locations. Factors such as proximity to existing power infrastructure, land ownership, and environmental considerations would need to be taken into account when planning large-scale solar PV installations in the area.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!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 20th of November 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.




