- 02-07-25
- By: Jason
- Category: Blog
- 0 comment
What Is the 20% Rule for Solar Panels in Singapore?
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…