What is Fixed-Tilt Solar Racking? Key Points & Benefits
Fixed-tilt solar racking is a popular solution for enhancing solar energy capture without the need for complex tracking systems. This article covers what fixed-tilt solar racking is, optimal tilt angles for solar panels, and why these systems are highly valued in solar installations.
Fixed-Tilt System
A fixed-tilt system is a type of solar panel installation where the solar panels are mounted at a fixed angle, typically facing south in the northern hemisphere, to maximize sunlight exposure. Unlike tracking systems that move throughout the day, the panels in fixed-tilt racking remain stationary. The tilt angle is usually determined by the geographic location and the path of the sun, allowing for a cost-effective and simple installation with minimal maintenance.
Fixed-tilt racking systems are especially popular in large-scale commercial and utility installations, where maximizing energy generation at the lowest possible cost is a priority. By setting the solar panel tilt angle correctly, these installations optimize energy capture while minimizing the need for complex tracking technology.
Optimal Tilt for Solar Panels
The angle at which solar panels are tilted is crucial for maximizing energy output. The ideal tilt angle for solar panels varies based on location, season, and even the specific use case of the installation. For a fixed-tilt solar racking system, the recommended tilt angle is often equal to the latitude of the installation location, allowing the panels to capture sunlight efficiently year-round.
For example, in Los Angeles (latitude 34 degrees), a tilt angle of about 49 degrees is often ideal. However, seasonal adjustments can further optimize energy capture: a steeper angle may be beneficial in winter, while a less steep angle may be preferred in summer. For the best results, consulting a professional solar installer is advisable to determine the optimal tilt.
Key Factors Influencing Solar Panel Tilt Angle
- Latitude: The closer the site is to the equator, the smaller the tilt angle needed. Locations at higher latitudes benefit from a steeper angle for optimal solar exposure.
- Seasonal Adjustments: Since the sun’s position varies throughout the year, adjusting the tilt for winter and summer conditions can improve energy output. For instance, increasing the tilt by 10-15 degrees in winter can help capture more low-angle sunlight.
- Type of Installation: Roof-mounted systems often follow the roof pitch, while ground-mounted systems offer flexibility in adjusting for latitude and seasonal changes. Ground-mounted fixed-tilt racking is particularly versatile for different terrains and landscapes.
Where Can Fixed-Tilt Racking Systems Be Installed?
Fixed-tilt solar racking systems are highly versatile and can be installed in various settings:
Rooftops: Fixed-tilt solar installations on rooftops optimize the solar panel tilt angle based on the building’s latitude and location, maximizing energy efficiency.
Ground Mounts: Ideal for larger solar projects, such as those for commercial or utility-scale applications, ground mounts provide ample space for extensive solar arrays.
Advantages of Fixed-Tilt Solar Panel Racking
- Simplicity and Cost-Effectiveness: Fixed-tilt systems are straightforward to install and require minimal equipment, reducing both initial costs and ongoing maintenance needs.
- Durability and Reliability: These systems are designed to withstand harsh weather conditions, from high winds to heavy snow, making them highly reliable.
- Ease of Installation: Due to their simplicity, fixed-tilt solar panel racking systems are relatively easy to install, even for less-experienced installers, saving time and installation costs.
- Low Maintenance: Unlike tracking systems, fixed-tilt solar installations require very little upkeep. Once installed, the panels stay in place without needing regular adjustments.
- Versatility in Location: Suitable for rooftops, ground mounts, slopes, and carports, fixed-tilt racking systems can adapt to various environments, making them a flexible choice for diverse applications.
- Compatibility with Multiple Panel Sizes: These systems can support different panel sizes and configurations, allowing for flexibility in meeting project-specific requirements.
- Adaptability for Challenging Sites: Fixed-tilt solar racking excels in difficult terrains, including sloped or obstructed landscapes, making it an ideal solution for complex installation sites.
What Yuens can Offer
Yuens, a trusted wholesale supplier of solar mounting systems, offers an extensive range of solar mounting systems and related products. Since 2016, our products have been widely exported and are known for their reliability and quality. For other solar mounting systems, such as roof mounting, ground mounting and solar carport, click here to check our catalogue.
Aditionally, customized molds to meet specific project requirements are available. For more information on our range of ballast solar solutions, don’t hesitate to contact us.