Solar Energy Production in Carnarvon, Western Australia

Carnarvon, Western Australia, located at the Southern Sub Tropics (coordinates -24.8857, 113.6537), offers promising conditions for solar PV energy generation throughout the year. This coastal location experiences substantial seasonal variations in solar production that prospective solar installers should consider. The seasonal solar production data reveals a significant pattern. Summer months deliver exceptional energy output at 8.80kWh per day for each kilowatt of installed capacity. Spring follows closely with 8.27kWh/day, while autumn sees a moderate decrease to 6.05kWh/day. Winter represents the lowest production period with 4.81kWh/day, though this remains relatively productive compared to many other locations at similar latitudes. For fixed solar panel installations in Carnarvon, the ideal tilt angle to maximize year-round production is 22 degrees facing North. This specific angle optimizes the capture of solar radiation across all seasons, balancing the higher sun angles of summer with the lower winter sun path.

Environmental Considerations

Several environmental factors in Carnarvon can impact solar production efficiency:

• Dust accumulation from the arid environment can significantly reduce panel efficiency, requiring regular cleaning routines or automated cleaning systems
• Coastal salt spray exposure may accelerate corrosion of mounting hardware and electrical connections, necessitating marine-grade components
• Occasional cyclonic activity during summer months poses a physical risk to installations, requiring robust mounting systems that exceed standard wind-loading specifications

To mitigate these challenges, solar installations in Carnarvon should incorporate elevated mounting to reduce dust accumulation, utilize corrosion-resistant hardware throughout, and implement automated cleaning systems where economically feasible. The substantial difference between summer/spring and winter production also suggests that slightly steeper panel angles might be considered if winter production is particularly valued. Overall, Carnarvon presents an excellent location for solar energy production, with the summer and spring seasons offering particularly abundant solar resources. Even during the less productive winter months, the region delivers respectable energy output that exceeds many other Australian locations during their winter periods.

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 Carnarvon

Seasonal solar PV output for Latitude: -24.8857, Longitude: 113.6537 (Carnarvon, 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 22° North in Carnarvon, Australia

To maximize your solar PV system's energy output in Carnarvon, Australia (Lat/Long -24.8857, 113.6537) throughout the year, you should tilt your panels at an angle of 22° 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 Carnarvon, 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 Carnarvon, Australia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 22° North tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
9° North in Summer	30° North in Autumn	40° North in Winter	18° 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 Carnarvon, 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 Carnarvon, 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 Carnarvon, Australia

Carnarvon is situated on the western coast of Australia, in Western Australia's Gascoyne region. The topography around Carnarvon is characterized predominantly by flat, arid landscapes typical of Australia's western coastal plains. The town itself sits near the mouth of the Gascoyne River, which flows into the Indian Ocean. This river, though often dry, creates a fertile delta area that contrasts with the surrounding semi-desert terrain. The landscape surrounding Carnarvon features low-lying plains with minimal elevation change. To the east, the terrain gradually rises into more rugged country as it transitions toward the inland regions of Western Australia. The coastal areas are marked by sandy beaches and dunes, while inland from the immediate coast, the landscape transforms into scrubland and sparse vegetation adapted to the arid conditions.

Soil and Terrain Characteristics

The soils around Carnarvon vary from sandy coastal deposits to red earth typical of arid Australia. The Gascoyne River basin contains alluvial soils that have supported agricultural development, particularly horticulture, in an otherwise challenging environment. Beyond this fertile corridor, the land becomes increasingly arid with thin soil cover over sedimentary rock formations. The flat terrain experiences minimal rainfall annually, contributing to the sparse vegetation patterns dominated by drought-resistant species. This combination of flat topography and limited vegetation creates an environment with few natural obstacles.

Optimal Areas for Solar PV Development

The regions east and southeast of Carnarvon present particularly favorable conditions for large-scale solar photovoltaic installations. These areas benefit from several advantageous topographical features: The flat, open terrain requires minimal land preparation for solar array installation. With few hills or significant variations in elevation, construction costs can be reduced while maximizing exposure to sunlight throughout the day. The inland areas beyond the immediate coastal zone experience less marine influence, resulting in reduced humidity and cloud cover compared to directly coastal locations. This translates to more consistent solar radiation reaching ground-based collectors. The sparse vegetation and limited agricultural value of much of this land means that solar development would have minimal impact on food production or significant natural habitats. Areas along the North West Coastal Highway, particularly on the eastern side, offer the additional advantage of proximity to existing transportation infrastructure, facilitating construction and maintenance access. The Gascoyne Junction region, approximately 170 kilometers east of Carnarvon, represents another potential area with suitable topography for solar development. This inland location features extensive flat plains with minimal competing land uses. It's worth noting that while coastal areas near Carnarvon receive abundant sunshine, they may be less ideal for large-scale solar development due to higher land values associated with tourism and recreational uses, as well as potential concerns about salt spray affecting equipment longevity.

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.