Which Direction Does Your Roof Face? Find Out If Installing Tilted Solar Panels is Worth It 

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March 26, 2024

Which Direction Does Your Roof Face? Find Out If Installing Tilted Solar Panels is Worth It 

Many people get confused about whether to install tilted solar panels or flat solar panels on their roofs or not!  Deciding which is more suitable for your household is crucial, and this article will help clear up that doubt. 

Solar panel installers consider several factors to determine the correct direction for installation. Installing panels at the wrong angle or direction can have long-term consequences. Before installation, it’s important to know your roof type, the direction of the sun, and the latitude of your home. Understanding these factors will help ensure that your solar panels receive ample sunlight. 

In Australia, solar systems are typically installed at the angle and aspect of your roof. For roofs with minimal shading, north or south-directional solar panels are advisable. However, the experts at Arise Solar can assess all aspects of your roof to provide you with the best solar panel system installed in the proper direction and angle. Ultimately, deciding whether to tilt the panels or not depends on your goal of maximizing sun energy absorption. 

Flat Solar Panel vs Tilted Solar Panels 

When comparing flat solar panels to tilted ones, it’s commonly believed that tilted panels generate more power. While this is often true, there are cases where tilting panels can decrease energy production, particularly on tin or tile roofs. If you have a flat roof, tilting the panels by 20-25 degrees is advisable, as electricity production may drop by 10-15% with flat installation. However, the decision to tilt the frame depends on factors like roof type, sun direction, shading, and latitude. 

Tilting panels at the ideal angle or orienting them according to your latitude maximizes electricity generation. In Australia, the ideal tilt angle is around 20-25 degrees. Tilted solar panels require fewer mounting materials, making them less expensive. Conversely, flat panels can enhance system efficiency by capturing more sunlight, especially during peak sun hours. However, they come with higher costs and maintenance requirements. 

Seasonal Impact 

Seasonal changes impact the efficiency of your solar panels, as the sun’s position varies throughout the year. While panels are typically fixed at a specific angle on residential roofs, this may not optimize energy production across all seasons. For instance, during winter in the northern hemisphere, the sun sits lower on the horizon, making it challenging for panels to capture sunlight efficiently. To address this, consider adjusting the tilt of your panels seasonally to align with the changing sun angles and maximize energy generation. 

Arise Solar ensures that your panels are installed correctly to maximize energy production. With the latest technology, we will be able to access your roof image and propose customized solar solutions. Additionally, our accredited installers will install a solar system to make sure you have the best output. For personalized guidance tailored to your location, contact our agents today at https://arisesolar.com.au/contact/ 

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            Extra charges apply for different panels/models. This Solar System Promotion is available for standard metropolitan based installations only. Price is after Small Scale Technology Certificates (STCs) have been assigned to Arise Solar Pty Ltd T/A Arise Solar or its agents. Any additional extras including but not limited to double storey, roof type, meter box upgrades or three phase power, may attract additional charges. *Price beat offer applies to local competitor advertised quotes only and must be for identical goods. T&C’s apply. Excludes Victoria