Solar PV Analysis of Dannevirke, New Zealand
Dannevirke, New Zealand, located at latitude -40.2014 and longitude 176.1053, presents a varied landscape for solar energy production throughout the year. This Southern Temperate Zone location experiences notable seasonal fluctuations in solar energy generation potential.
Seasonal Solar Performance
Solar panel performance in Dannevirke peaks during the summer months, with an impressive daily output of 6.87 kWh per kW of installed capacity. Spring follows as the second-most productive season, generating 5.25 kWh per day. Autumn sees a significant drop to 3.47 kWh daily, while winter experiences the lowest output at 2.32 kWh per day.
These figures indicate that Dannevirke's location is particularly favorable for solar energy production during the warmer months of the year. The long, sunny days of summer and spring provide optimal conditions for maximizing solar panel efficiency.
Optimal Panel Positioning
To achieve the best year-round solar energy production in Dannevirke, fixed solar panels should be tilted at a 35-degree angle facing north. This orientation allows the panels to capture the maximum amount of sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.
Environmental Considerations
While Dannevirke's location is generally suitable for solar energy production, there are some environmental factors to consider. The region can experience occasional cloudy or overcast days, particularly during winter, which may temporarily reduce solar panel efficiency. Additionally, the area is known for its occasional strong winds, which could potentially impact panel stability if not properly secured.
To mitigate these factors, solar installations should include robust mounting systems capable of withstanding high winds. Regular cleaning and maintenance of panels can also help ensure optimal performance, especially during periods of reduced sunlight.
Conclusion
Overall, Dannevirke's location offers good potential for solar energy production, particularly during summer and spring. While winter months see a significant decrease in output, proper panel positioning and preventative measures can help maximize energy generation throughout the year. With careful planning and installation, solar PV systems in Dannevirke can provide a reliable source of renewable energy for local residents and businesses.
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 Dannevirke
Seasonal solar PV output for Latitude: -40.2014, Longitude: 176.1053 (Dannevirke, 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 35° North in Dannevirke, New Zealand
To maximize your solar PV system's energy output in Dannevirke, New Zealand (Lat/Long -40.2014, 176.1053) throughout the year, you should tilt your panels at an angle of 35° 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 Dannevirke, 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 Dannevirke, New Zealand. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° North tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 24° North in Summer | 45° North in Autumn | 55° North in Winter | 33° 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 Dannevirke, 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 Dannevirke, 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 Dannevirke, New Zealand
The area around Dannevirke, New Zealand, is characterized by a diverse and picturesque landscape. Located in the southern part of Hawke's Bay on the North Island, Dannevirke sits in a region known for its rolling hills and gentle valleys. The town itself is situated on relatively flat terrain, but as you move outward, the landscape becomes more varied.
To the west of Dannevirke, the land gradually rises towards the Ruahine Range, a part of the larger North Island mountain chain. These mountains create a backdrop of forested slopes and rugged peaks. As you move eastward from the town, the terrain becomes more undulating, with a mix of farmland and patches of native bush. This area is known for its pastoral beauty, with green fields stretching across the countryside.
The Manawatu River flows to the south of Dannevirke, carving a path through the landscape and creating fertile river valleys. Throughout the region, you'll find a network of smaller streams and creeks that contribute to the area's agricultural productivity.
When considering areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, there are several factors to take into account. The ideal locations would be relatively flat or gently sloping areas with good exposure to sunlight throughout the day. Some of the farmland to the east and southeast of Dannevirke could potentially be suitable, as these areas tend to have fewer obstructions and more open space.
However, it's important to note that the Hawke's Bay region, including the area around Dannevirke, experiences a variable climate with a mix of sunny and cloudy days. While there are certainly areas that could accommodate solar installations, the overall suitability for large-scale solar PV might not be as high as in some other parts of New Zealand that receive more consistent sunshine.
Any potential solar project would need to carefully consider local weather patterns, land use regulations, and environmental impacts. The gently rolling terrain in parts of the region could potentially be advantageous, allowing for the strategic placement of solar panels to maximize sun exposure while minimizing visual impact on the scenic landscape.
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 16th of October 2024
Last Updated: Monday 21st of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!
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.
