Millendon, Western Australia presents a reasonably good location for year-round solar energy generation, though with notable seasonal variations typical of its Southern Sub Tropics climate zone at coordinates -31.7992, 116.0397.

Seasonal Solar Performance

The location shows strong seasonal contrasts in solar energy production. Summer delivers the highest output at 8.95kWh per day per kilowatt of installed solar capacity, making it the peak generation period. Spring also performs well with 7.12kWh per day per kilowatt, representing the second-best season for solar production. However, winter presents challenges with significantly reduced output of just 3.43kWh per day per kilowatt - less than half the summer production. Autumn sits in the middle range at 4.90kWh per day per kilowatt, showing the transitional nature of this season.

Optimal Installation Setup

For maximum year-round energy production at Millendon, solar panels should be installed at a fixed tilt angle of 27 degrees facing north. This angle has been calculated to optimize total annual output by accounting for the sun's varying position throughout the year and weighting for the location's solar potential.

Environmental Factors and Mitigation Strategies

Several local environmental factors could impact solar production at this Western Australian location:

• Dust accumulation: The semi-arid climate can lead to dust buildup on panels, reducing efficiency
• Seasonal rainfall patterns: Irregular rain may not provide sufficient natural panel cleaning
• High summer temperatures: Extreme heat can reduce panel efficiency despite high solar irradiance
• Potential bird activity: Rural locations may experience bird droppings affecting panel performance

To maximize energy production despite these challenges, several preventative measures should be considered during installation. Regular cleaning schedules become essential, particularly during dry periods when dust accumulation is highest. Installing panels with adequate ventilation spacing helps manage heat buildup during intense summer conditions. Choosing high-quality panels with better temperature coefficients can minimize efficiency losses during peak heat periods. Additionally, incorporating bird deterrent measures and ensuring easy access for maintenance can help maintain optimal performance throughout the year. Overall, while Millendon experiences significant seasonal variation in solar output, the strong summer and spring performance combined with proper installation and maintenance practices make it a viable location for solar energy generation.

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 501 locations across Australia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Australia by location

Solar output per kW of installed solar PV by season in Millendon

Seasonal solar PV output for Latitude: -31.7992, Longitude: 116.0397 (Millendon, Australia), 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 27° North in Millendon, Australia

To maximize your solar PV system's energy output in Millendon, Australia (Lat/Long -31.7992, 116.0397) throughout the year, you should tilt your panels at an angle of 27° 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 Millendon, Australia

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 Millendon, Australia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 27° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
16° North in Summer	37° North in Autumn	47° North in Winter	25° 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 Millendon, Australia

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 Millendon, Australia.

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.

Topography for solar PV around Millendon, Australia

Topography Around Millendon

Millendon sits in the Swan Valley region of Western Australia, approximately 30 kilometers northeast of Perth. The landscape surrounding this small locality is characterized by gently undulating terrain typical of the Swan Coastal Plain. The area features low-lying hills and broad valleys that were carved by the Swan River and its tributaries over millions of years.

The topography is predominantly flat to gently rolling, with elevations ranging from about 20 to 80 meters above sea level. The Swan River meanders through the region, creating fertile alluvial flats that have made this area famous for viticulture and agriculture. To the east, the terrain gradually rises toward the Darling Scarp, which forms a more pronounced escarpment marking the edge of the Perth Hills.

The soil composition varies from sandy loams near the river to clay-based soils on higher ground. Much of the natural vegetation has been cleared for agricultural purposes, leaving a patchwork of vineyards, market gardens, and pastoral land interspersed with remnant patches of jarrah and wandoo woodland.

Optimal Areas for Large-Scale Solar Development

The relatively flat terrain surrounding Millendon presents several advantages for large-scale solar photovoltaic installations. The most suitable areas would be the broad, gently sloping plains that extend northward and eastward from the Swan River valley. These locations offer minimal shading obstacles and require less ground preparation compared to steeper terrain.

The agricultural land to the north and northeast of Millendon would be particularly well-suited for solar development. These areas feature consistent gentle slopes that naturally face north, providing optimal panel orientation for maximum solar exposure throughout the day. The terrain is stable and well-drained, reducing foundation requirements and maintenance concerns.

Areas closer to the Darling Scarp foothills, while slightly more undulating, could also accommodate solar installations with careful site planning. The higher elevations in these locations can offer advantages such as reduced atmospheric interference and improved air circulation around solar panels, which helps maintain optimal operating temperatures.

The proximity to existing electrical infrastructure along major roads and near established agricultural operations would facilitate grid connection for any large-scale solar development. The cleared nature of much of the surrounding landscape also means that environmental impact assessments would likely focus on agricultural land use rather than native vegetation clearing, potentially streamlining development approval processes.

Australia solar PV Stats as a country

Australia ranks 7th in the world for cumulative solar PV capacity, with 19,076 total MW's of solar PV installed. This means that 10.70% of Australia's total energy as a country comes from solar PV (that's 2nd in the world). Each year Australia is generating 742 Watts from solar PV per capita (Australia ranks 2nd in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Australia?

Yes, there are a variety of incentives available in Australia to businesses wanting to install solar energy. These include:

1. Renewable Energy Target (RET): The RET provides businesses with financial assistance for installing and operating renewable energy systems such as solar panels. Businesses may be eligible to receive certificates that can be sold or traded on the open market for additional income.

2. Feed-in Tariffs: Some states offer feed-in tariffs which pay businesses for generating and exporting excess electricity from their solar panel system back into the grid during peak demand periods.

3. Solar Credits: The Solar Credits program provides households and small business owners with an upfront discount when purchasing a new solar system, based on the amount of renewable energy generated by the system over its lifetime.

4. Tax Breaks: Small business owners may be able to claim tax deductions on certain expenses associated with installing a solar power system, including installation costs, maintenance expenses and interest payments related to financing arrangements taken out specifically for this purpose.

Do you have more up to date information than this on incentives towards solar PV projects in Australia? Please reach out to us and help us keep this information current. Thanks!

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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.