Category Archives

Best Commercial Solar Install Method? Roof vs. Ground vs. Carport in Singapore

In land‑constrained Singapore, commercial solar photovoltaic (PV) systems are rapidly emerging as a smart strategy for businesses to reduce energy costs, cut carbon emissions and reinforce sustainability credentials. With rising electricity tariffs, aggressive national carbon targets, and a growing network of government incentives, companies—from warehouses to strata‑managed buildings—are increasingly evaluating solar to strengthen both their financial returns and green reputation. Yet, the optimal solar installation method can vary significantly based…

Optimal Angle and Mounting Considerations for Solar Panels on Sloped Roofs in Singapore

In Singapore’s hot and humid climate, solar energy adoption has seen a sharp rise—particularly among landed homeowners and commercial property owners aiming to reduce reliance on the national grid. For these properties, proper installation design is critical to achieving maximum solar output, especially when dealing with sloped roofs. This article explores the optimal tilt angle, installation feasibility on sloped roofs, and the types of mounting systems required, all within the…

Solar Panel Loans: Compare Top Banks in Singapore

Solar installations in Singapore typically cost between S$15,000 and S$50,000, depending on system size and components, with most residential setups ranging from S$1,500–2,000 per kWp. While upfront payment offers long-term savings and energy security, many homeowners opt for financing to avoid large lump sums and accelerate installation. The main solar financing options are: Solar loans (personal or secured loans to purchase the system), Solar leases or PPAs (Power Purchase Agreements), Green mortgage…

Thinking About Solar Panels For Your Home? Here’s What You Need to Know

When Singaporeans think about solar energy, some still associate it with off-grid living or rural applications. But in truth, the shift is happening right here in our own HDB estates, landed homes, and commercial rooftops. More residents in Singapore are installing solar panels not to disconnect from the grid, but to reduce their reliance on it, enjoy lower electricity bills, and build long-term energy resilience. Unlike regions where power supply…

Newest Solar Panel Technology: Here’s What You Need to Know About Perovskite (2025)

If you’ve been keeping up with developments in solar technology, you may have noticed a buzz around a mysterious material with a curious name: perovskite. For many, it’s just another scientific term floating around the renewable energy space. But for those of us in the industry, it represents something far more exciting – the next leap forward in solar efficiency. Our team has just returned from Intersolar Europe 2025 in…

Types of Solar Panels: A Complete Guide 2025

Summary Table: Solar Panel Types in Singapore (2025) Panel Type Efficiency (%) Lifespan (Years) Typical Use in Singapore Cost per Wp (S$) ROI & Payback Suitability Monocrystalline 20 – 25 (up to 24.8) 25 – 40 Homes, SMEs, commercial rooftops 1.30 – 1.80 Fastest (3–5 years) Highly recommended Polycrystalline 18 – 21 25 – 30 Legacy systems only Not available Outdated technology Discontinued since 2023 Thin-Film 7 – 13 10…

Are There Downsides to Solar Panels in Singapore?

Solar panels have become a cornerstone of sustainable energy solutions in Singapore, especially as the nation intensifies its shift toward cleaner, greener technologies under the Singapore Green Plan 2030. Homeowners, building owners, and businesses are increasingly attracted to the promise of reduced energy bills, lower carbon footprints, and energy independence. However, while the advantages are compelling, there are several downsides and limitations to consider—especially when applied to the unique climate,…

Can I Run Aircon (AC) with a Solar Panel in Singapore?

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In Singapore's warm and humid climate, air conditioning is a necessity in most homes and workplaces. At the same time, rising electricity costs and greater environmental awareness have prompted many to explore renewable energy solutions like solar power. A common question that arises is: Can you run your aircon using solar panels? The answer is yes—but the feasibility depends on several key factors including system size, energy consumption patterns, and…

Solar Panels for Shipyards in Singapore: A Sustainable Upgrade for Heavy Industry

Singapore’s maritime sector has long been a cornerstone of the national economy. With some of the busiest shipyards in Southeast Asia, energy consumption in these facilities is exceptionally high—driven by heavy machinery, welding operations, lighting, and large-scale equipment testing. As the world transitions to greener practices, solar energy is rapidly emerging as a viable solution for shipyards looking to cut costs and reduce carbon emissions. In Singapore, where solar irradiance…

What Is the 20% Rule for Solar Panels in Singapore?

solar panel installation

At First Solution Group, one of Singapore’s leading solar panel installation companies, we help homeowners and commercial clients optimise solar power for long-term energy efficiency. One rule of thumb we often recommend is the 20% Rule—a simple but powerful guideline to make your solar setup more resilient and cost-effective. In this article, we’ll break down what the 20% Rule means, why it matters in Singapore’s tropical climate, and how you…

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