Solar PV or photovoltaic panels play a central role in modern energy systems by converting sunlight into usable electricity. As Singapore pushes forward with clean energy adoption, PV technology has become increasingly accessible for residential, commercial, and industrial use. Whether you’re evaluating your first installation or comparing system options, understanding how solar PV panels work is key to maximising long-term energy returns. This guide covers the different types of solar PV panels, their efficiency ratings, and how various applications influence system performance across urban environments.
Types of Solar PV Panels: Monocrystalline vs. Polycrystalline vs. Thin-Film
There are three primary types of solar PV panels commonly used in Singapore: monocrystalline, polycrystalline, and thin-film. Each type has unique characteristics that affect cost, efficiency, and space requirements.
Monocrystalline panels are made from a single crystal structure, giving them a sleek black appearance and high energy conversion efficiency, typically between 18% and 22%. These panels are ideal for rooftops with limited space, as they produce more power per square metre.
Polycrystalline panels, recognisable by their bluish hue, are produced from multiple silicon crystals. Although slightly less efficient, ranging between 15% and 17%, they offer a lower upfront cost and are commonly used in larger installations where space is not a constraint.
Thin-film panels are the most lightweight and flexible option. Manufactured using materials such as cadmium telluride or amorphous silicon, they deliver lower efficiencies (around 10%–12%) but perform better in shaded or diffused light conditions. They’re commonly used in applications with design flexibility, such as solar façades or building-integrated PV systems.
Efficiency Ratings and System Performance
Efficiency is a critical factor when evaluating solar system solar panels, especially in land-scarce Singapore. High-efficiency panels translate into greater energy output in limited areas. However, efficiency alone shouldn’t determine panel selection. Other factors, such as temperature coefficient, power tolerance, and durability, also matter.
Singapore’s hot and humid climate can affect panel performance. Panels with lower temperature coefficients lose less efficiency when ambient temperatures rise. A reputable solar company in Singapore will typically factor in these variables during system design to optimise yield over time.
Additionally, degradation rates influence long-term performance. Most solar PV panels degrade at about 0.5% yearly, maintaining over 80% output after 25 years. Always check the warranty terms for performance and product lifespan before committing to PV panel installation.
Applications of Solar PV Panels in Singapore
Technicians can install solar PV systems in several configurations: rooftop systems, ground-mounted arrays, and building-integrated photovoltaics (BIPV). Given the scarcity of land, rooftop installations are the most common in Singapore. These can be mounted on HDB blocks, landed homes, commercial buildings, or industrial warehouses.
For commercial and industrial users, the benefits of PV systems extend beyond energy savings. Systems can be tailored to meet peak demand, stabilise energy costs, and support sustainability goals. BIPV solutions—such as solar windows, façades, or solar power roof tiles—offer aesthetic and functional value in urban architecture.
As government incentives continue to promote renewable energy, more property owners are partnering with a certified solar company in Singapore to evaluate site feasibility and submit applications under programmes like the Enhanced Capital Allowance (ECA) scheme or SolarNova.
Choosing the Right Solar Company and Installer
A successful solar panel installation in Singapore begins with selecting an experienced and accredited installer. A good solar company in Singapore will conduct a thorough site survey, assess energy consumption patterns, propose the right panel type, and manage all permitting and compliance requirements.
The installer should also offer system monitoring, performance guarantees, and maintenance plans. As solar energy is a long-term investment, choosing a company with proven experience in PV panel installation ensures higher returns and peace of mind.
Conclusion
Solar PV panels have become a practical and sustainable energy solution across Singapore’s urban landscape. Solar systems offer flexible pathways to energy independence and long-term cost savings, with various technologies suited to different needs and building types. Whether you’re planning a residential, commercial, or industrial installation, understanding panel types, system efficiency, and application-specific design will ensure optimal performance.
Contact LHN Energy today and explore how solar panels can benefit your home or business.
