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Flag of AustraliaSolar PV Analysis of Kelvin Grove, Australia

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Kelvin Grove, Australia (by season)

Kelvin Grove, Queensland, Australia presents a very good location for year-round solar energy generation. Located in the Southern Sub Tropics, this area benefits from abundant sunshine throughout most of the year, making it well-suited for solar photovoltaic installations.

Seasonal Solar Performance

The solar energy output varies significantly across the seasons at Kelvin Grove. Summer delivers the highest production at 7.24kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best performing season with 6.30kWh per day per kW, offering excellent energy production during this period. Autumn and winter show reduced output, with autumn generating 4.55kWh per day per kW and winter producing 4.03kWh per day per kW. While winter represents the lowest production period, the output remains reasonably substantial compared to many other global locations.

Optimal Installation Configuration

For maximum year-round energy production at Kelvin Grove, solar panels should be installed at a fixed angle of 25 degrees tilted toward the north. This angle has been calculated to optimize total annual solar output by accounting for the sun's varying position throughout the year and weighting for daily solar potential.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Kelvin Grove area can impact solar panel performance:
  • Subtropical storms and heavy rainfall: The region experiences intense rainfall periods and occasional severe weather events that can temporarily reduce solar output and potentially damage equipment
  • High humidity levels: The subtropical climate creates persistent humidity that can lead to moisture-related issues and reduced panel efficiency
  • Dust and debris accumulation: Urban location and seasonal weather patterns can cause dirt, leaves, and other debris to accumulate on panels
  • Temperature effects: High summer temperatures can reduce panel efficiency despite increased sunlight availability

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several installation strategies should be considered:
  • Weather-resistant mounting systems: Use robust mounting hardware designed to withstand high winds and storm conditions typical of subtropical climates
  • Proper drainage and ventilation: Install panels with adequate spacing and drainage to prevent moisture buildup and allow air circulation for cooling
  • Regular maintenance scheduling: Implement routine cleaning schedules, particularly after storm seasons or dusty periods, to maintain optimal panel surface conditions
  • Quality inverter placement: Position inverters in shaded, well-ventilated areas to protect them from extreme heat and humidity
  • Monitoring systems: Install performance monitoring to quickly identify any weather-related efficiency drops or equipment issues
Despite these considerations, Kelvin Grove remains an excellent location for solar energy generation, with strong year-round production potential that makes solar investment highly viable for both residential and commercial applications.

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 Kelvin Grove

Seasonal solar PV output for Latitude: -27.4492, Longitude: 153.0155 (Kelvin Grove, 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:

Summer
Average 7.24kWh/day in Summer.
Autumn
Average 4.55kWh/day in Autumn.
Winter
Average 4.03kWh/day in Winter.
Spring
Average 6.30kWh/day in Spring.

 

Ideally tilt fixed solar panels 25° North in Kelvin Grove, Australia

To maximize your solar PV system's energy output in Kelvin Grove, Australia (Lat/Long -27.4492, 153.0155) 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.

The sun
At Latitude: -27.4492, Longitude: 153.0155, the ideal angle to tilt panels is 25° North

Seasonally adjusted solar panel tilt angles for Kelvin Grove, 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 Kelvin Grove, Australia. 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 33° North in Autumn 42° North in Winter 21° North in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Kelvin Grove, Australia as follows: In Summer, set the angle of your panels to 11° facing North. In Autumn, tilt panels to 33° facing North for maximum generation. During Winter, adjust your solar panels to a 42° angle towards the North for optimal energy production. Lastly, in Spring, position your panels at a 21° angle facing North to capture the most solar energy in Kelvin Grove, Australia.

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 Kelvin Grove, 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 Kelvin Grove, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Kelvin Grove, Australia

Topographical Overview of Kelvin Grove

Kelvin Grove sits approximately four kilometres northwest of Brisbane's central business district in Queensland, Australia. The area occupies elevated terrain that forms part of the undulating landscape characteristic of Brisbane's inner suburbs. The topography features gentle hills and ridges that rise between 40 and 80 metres above sea level, creating a moderately hilly environment with good natural drainage patterns. The immediate vicinity around Kelvin Grove displays a mix of residential developments, educational facilities, and remnant bushland areas. The terrain slopes generally eastward toward the Brisbane River valley, with several small creeks and gullies cutting through the landscape. These natural drainage lines have shaped the local topography over time, creating a series of ridges and valleys that define the area's character.

Regional Terrain Characteristics

The broader region surrounding Kelvin Grove extends across the Brisbane River valley system and its associated hills. To the east, the land descends toward the river flats and the city centre, while westward the terrain becomes more elevated as it approaches the foothills of the Great Dividing Range. The landscape features a combination of cleared residential and commercial areas interspersed with parks, reserves, and patches of native vegetation. North of Kelvin Grove, the topography transitions into the suburbs of Stafford and Chermside, where the terrain becomes flatter and more suitable for large-scale development. South of the area, the land rises toward Mount Coot-tha, which reaches 287 metres above sea level and represents one of the highest points in the immediate Brisbane region.

Optimal Areas for Large-Scale Solar Development

The most promising locations for substantial solar photovoltaic installations lie to the west and northwest of Kelvin Grove, where the landscape opens into broader, flatter terrain. The Samford Valley region, approximately 15 kilometres northwest, offers extensive cleared agricultural land with gentle slopes that provide excellent conditions for large solar arrays. This area benefits from minimal shading, good road access, and proximity to existing electrical infrastructure. The Lockyer Valley, located roughly 60 kilometres west of Kelvin Grove, presents another highly suitable region for major solar developments. This agricultural valley features vast expanses of relatively flat terrain with minimal topographical obstacles. The area's rural nature means fewer planning constraints compared to more densely populated areas closer to Brisbane. Industrial zones around the Port of Brisbane, southeast of Kelvin Grove, also offer potential for large-scale solar installations. While not immediately adjacent to Kelvin Grove, these areas feature flat, cleared land with existing heavy electrical infrastructure that could accommodate substantial solar facilities. The proximity to major transmission lines makes these locations particularly attractive for utility-scale projects. The Somerset region, northwest of Brisbane, provides additional opportunities for extensive solar development. This area combines suitable topography with lower land costs and fewer competing land uses, making it economically viable for large photovoltaic installations that could serve the broader Brisbane metropolitan area including Kelvin Grove.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Kelvin Grove, Australia
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 10th of August 2025
Last Updated: Monday 11th of August 2025

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