Solar PV Analysis of Kaukapakapa, New Zealand
Kaukapakapa, Auckland, New Zealand, located in the Southern Temperate Zone, presents a varied landscape for solar energy production throughout the year. This location experiences significant seasonal fluctuations in solar energy generation, which is typical for regions at similar latitudes.
Seasonal Solar Performance
Summer stands out as the peak season for solar energy production in Kaukapakapa, Auckland, with an impressive average of 7.17 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 5.58 kWh/day/kW. Autumn sees a noticeable decrease to 4.00 kWh/day/kW, while winter experiences the lowest output at 2.69 kWh/day/kW.
These figures indicate that Kaukapakapa is well-suited for solar energy production, particularly from late spring through early autumn. The long summer days and higher sun angle during this period contribute significantly to the overall annual energy yield.
Optimal Panel Positioning
To maximize year-round solar energy production in Kaukapakapa, Auckland, fixed solar panels should be tilted at an angle of 32 degrees facing North. This optimal angle takes into account the location's latitude and seasonal variations in sun position, ensuring the best possible energy capture throughout the year.
Environmental Considerations
While Kaukapakapa generally offers favorable conditions for solar energy production, there are some environmental factors to consider:
- Cloud cover: The region can experience periods of cloudiness, particularly during winter months, which may reduce solar output.
- Rainfall: Kaukapakapa receives moderate rainfall, which can temporarily decrease panel efficiency.
To mitigate these factors, consider installing high-efficiency panels that perform well in diffuse light conditions. Regular cleaning and maintenance of panels can also help ensure optimal performance, especially after rainy periods.
In conclusion, while Kaukapakapa experiences seasonal variations in solar energy production, its overall potential for solar PV generation is quite good. With proper panel positioning and maintenance, this location can provide substantial solar energy yields, particularly during the warmer months of the year.
Note: The Southern Temperate Zone extends from -35° latitude South down to -66.5° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 105 locations across New Zealand. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in New Zealand by location
Solar output per kW of installed solar PV by season in Kaukapakapa
Seasonal solar PV output for Latitude: -36.5841, Longitude: 174.6006 (Kaukapakapa, New Zealand), 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 32° North in Kaukapakapa, New Zealand
To maximize your solar PV system's energy output in Kaukapakapa, New Zealand (Lat/Long -36.5841, 174.6006) throughout the year, you should tilt your panels at an angle of 32° 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 Kaukapakapa, New Zealand
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 Kaukapakapa, New Zealand. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 21° North in Summer | 41° North in Autumn | 52° North in Winter | 29° 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 Kaukapakapa, New Zealand
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 Kaukapakapa, New Zealand.
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 Kaukapakapa, New Zealand
The area around Kaukapakapa, New Zealand, is characterized by a diverse and picturesque landscape. Located in the Auckland Region of the North Island, this rural locality features a mix of gently rolling hills, shallow valleys, and some flatter areas. The terrain is generally undulating, with elevations ranging from near sea level to modest hills that reach heights of around 200-300 meters above sea level.
The Kaukapakapa River meanders through the area, creating a small floodplain and contributing to the lush, green environment typical of this part of New Zealand. The surrounding countryside is a patchwork of farmland, pastures, and pockets of native bush. Small streams and creeks feed into the main river, carving subtle contours into the landscape.
As for areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, there are a few factors to consider:
The gently sloping hillsides facing north would be ideal candidates for solar farms. In the Southern Hemisphere, north-facing slopes receive more direct sunlight throughout the year, maximizing the potential for solar energy generation. Some of the more open, flatter areas to the south and southeast of Kaukapakapa might also be suitable, provided they are not prone to flooding or shadowing from nearby hills.
Areas with minimal tree cover and away from the immediate vicinity of the river would be preferable. This would likely include some of the cleared farmland in the region, particularly on the outskirts of Kaukapakapa where larger, uninterrupted tracts of land might be available.
It's worth noting that while the topography around Kaukapakapa offers some potential for solar PV, the region's climate, with its relatively high rainfall and occasional cloud cover, may not be as optimal as some other parts of New Zealand. However, advances in solar technology continue to improve efficiency even in less-than-ideal conditions.
Any large-scale solar project would need to balance the benefits of energy production with the preservation of the area's natural beauty and agricultural use, which are important aspects of the local economy and lifestyle. Careful site selection and environmental impact assessments would be crucial in determining the most appropriate locations for such developments.
New Zealand solar PV Stats as a country
New Zealand ranks 78th in the world for cumulative solar PV capacity, with 146 total MW's of solar PV installed. Each year New Zealand is generating 29 Watts from solar PV per capita (New Zealand ranks 58th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in New Zealand?
Yes, there are several incentives for businesses wanting to install solar energy in New Zealand. The government offers a range of grants and subsidies to help businesses reduce their energy costs and increase their use of renewable energy sources. These include the Solar PV Grant Scheme, which provides up to $20,000 per installation towards the cost of installing solar photovoltaic (PV) systems; the Low Emission Vehicles Contestable Fund, which provides funding for electric vehicles; and the Energy Efficiency and Conservation Authority’s Business Energy Management Programme, which helps businesses identify ways to save money on their energy bills. Additionally, some local councils offer rates rebates or other incentives for businesses that install solar panels.
Do you have more up to date information than this on incentives towards solar PV projects in New Zealand? 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: Wednesday 31st of July 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.
