Installation Tips

Top 10 Things to Know Before Installing Solar Panels”

Intro:

Introduction

Investing in solar panels is one of the smartest decisions you can make for your home or business. Not only do they help you reduce electricity bills, but they also protect you from rising energy costs and contribute to a cleaner environment.

However, solar installation is a long-term commitment — one that requires proper planning and understanding of several key factors. From choosing the right system size to ensuring proper roof conditions, every step plays a crucial role in maximizing your solar efficiency and ROI.

Here are the 10 most important things to know before you install solar panels in 2025.

☀️ Assess Your Roof Condition

Your roof is the foundation of your solar system, so it must be in good shape before installation.

• Check for shade: Trees, nearby buildings, or water tanks can block sunlight and reduce efficiency.

• Roof direction: South-facing roofs are ideal in India, as they receive maximum sunlight throughout the year.

• Roof strength: Ensure the roof can handle the additional weight of panels and mounting structures.

• Roof age: If your roof is older than 15 years, consider repairs or replacement before installation.

💡 Pro Tip: Flat rooftops are also suitable for solar panels with the help of tilt-angle mounting frames.

Choose Quality Components

Not all solar products are created equal. Investing in high-quality components ensures better performance, safety, and long-term reliability.

Key components include:

• Solar Panels: Go for Tier-1 panels with 20–25 years of performance warranty. Popular brands include Adani, Waaree, Tata Power Solar, and Vikram Solar.

• Inverters: Choose a reliable brand (like Sungrow, Growatt, or Luminous) for consistent power conversion.

• Mounting Structure: Prefer rust-proof, anodized aluminum or galvanized steel.

• Cables & Connectors: Always use BIS-certified cables for safety and efficiency.

💡 Pro Tip: Cheap components might save upfront cost but can fail early, leading to higher maintenance expenses.

Verify Installer Credentials

Choosing the right installer is just as important as choosing the right equipment.

1. Hire MNRE-approved or DISCOM-empaneled installers — this is mandatory to qualify for government subsidies.

2. Check for experience — how many installations they’ve completed, and whether they provide after-sales support.

3. Ask for a site inspection report before installation.

4. Review customer feedback or testimonials.

   Understand Solar Subsidies and Incentives

   
   

   In 2025, the Government of India’s Rooftop Solar Program (Phase-II) offers up to 40% subsidy for residential consumers.

   Example:

   • For systems up to 3 kW → 40% subsidy

   • For systems between 3–10 kW → 20% subsidy on remaining capacity

   To claim this subsidy:

   1. Apply through the National Portal for Rooftop Solar (solarrooftop.gov.in).

   2. Select an MNRE-approved vendor.

   3. Complete installation and get inspection approval from your DISCOM.

   4. Receive the subsidy directly in your bank account (DBT).

   Additionally, some states like Gujarat, Haryana, and Kerala offer extra subsidies or incentives. Always check your local DISCOM website.

Conclusion

Installing solar panels isn’t just about saving on electricity bills — it’s about securing a cleaner, greener future for your family.

By planning properly, selecting certified installers, and choosing quality components, you ensure your solar system performs efficiently for decades.

Take the first step today — schedule a solar assessment, explore subsidy options, and power your home with the sun!