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Top FAQs About Hiring a Solar EPC Company Answered!

Solar EPC company expert answering client FAQS during a consultation meeting
03 Jul, 2025

Introduction

In India’s fast-evolving clean energy landscape, hiring the right Solar EPC (Engineering, Procurement, and Construction) company is crucial for project success. Whether you're a business looking to install a rooftop solar system or an industry planning a large-scale ground-mounted solar park, there are several questions you must consider before making a decision. This blog answers the top Solar EPC company FAQs to help you make the right choice.

Understanding the solar EPC process is essential because it covers everything from designing your solar power system to commissioning and maintaining it. With so many options in the market, confusion is natural. That’s why we’ve compiled this comprehensive EPC hiring guide to help you navigate the EPC firm selection process confidently. By the end of this blog, you’ll be ready to hire a solar EPC contractor in India with clarity and assurance.

Main Section: Top FAQs About Hiring a Solar EPC Company

1. What Does a Solar EPC Company Do?

A Solar EPC company handles the end-to-end execution of your solar project—engineering, procurement of components, and complete construction. This includes:

  • Designing the layout based on your site
  • Procuring quality solar panels and inverters
  • Installing and commissioning the system
  • Providing operation and maintenance (O&M) services

๐Ÿ’ก Related: What is EPC in Solar Projects?

2. What Should I Look for When Hiring a Solar EPC Company?

Here are the top EPC company selection tips:

  • Years of experience in solar EPC projects
  • Proven track record (industrial/rooftop/commercial)
  • In-house engineering and site survey team
  • BOQ transparency and warranty support
  • Access to financing or subsidy support

Explore how Rayzon Green delivers Comprehensive Solar EPC Solutions with end-to-end support.

3. What Questions Should I Ask Before Signing an EPC Contract?

These questions for solar EPC companies are must-ask:

  • Do you handle both rooftop and ground-mounted projects?
  • What’s included in the EPC scope?
  • Who will provide after-sales service?
  • Can I visit your completed sites?
  • What’s your panel efficiency and degradation rate?

๐Ÿ‘‰ Read: Questions to Ask Before Starting a Solar EPC Project

4. What Are Common Doubts About EPC Companies?

Many clients hesitate due to:

  • Unclear BOQ or pricing
  • Lack of on-time project delivery
  • Fear of panel degradation
  • No O&M service post-installation
  • EPC contract terms not being client-friendly

Rayzon Green simplifies the EPC process with transparency to remove these roadblocks.

5. How Do I Ensure EPC Cost Transparency?

A clear BOQ format for solar is vital. Ask for:

  • Panel specifications (Make, Wattage, Efficiency)
  • Inverter brand and warranty
  • Cable length and quality
  • Mounting structure specs
  • Labor, logistics, and taxes

Also read: Understanding Solar Operation and Maintenance

6. How to Choose the Best EPC Company in India?

Here’s your client guide to EPC firms:

  • Choose companies ranked in Top 10 Solar EPC Companies in India
  • Ask about their EPC service portfolio
  • Confirm on-ground execution capabilities
  • Read case studies and testimonials

Rayzon Green is recognized among the Top EPC Companies in India 2025

7. What’s the EPC Process Timeline?

The EPC process includes:

  • Site inspection and feasibility study
  • Design and documentation
  • Procurement and supply chain coordination
  • Civil and electrical installation
  • Testing, commissioning, and handover

Know more: A Step-by-Step Solar EPC Process

8. What Trends Are Shaping Solar EPC in India?

In 2025, expect:

Explore more: How India’s Solar Industry Is Leading the Clean Energy Transition

9. Why Choose Rayzon Green as Your Solar EPC Partner?

We specialize in:

Discover our services:
๐Ÿ‘‰ Rayzon Green - EPC Services
๐Ÿ‘‰ Our Projects

10. How Do EPC Companies Help Achieve Sustainability Goals?

One of the most asked Solar EPC company FAQs is how these companies contribute to long-term sustainability. A reliable EPC partner doesn't just install panels—they ensure that the system aligns with net-zero goals, carbon footprint reduction, and future scalability.

Rayzon Green’s EPC expertise ensures projects meet both short-term energy needs and long-term environmental targets. Learn more from our blog on Solar EPC’s Role in a Greener Planet and How Solar EPC Supports Energy Independence.

11. What Is the Importance of BOQ in an EPC Contract?

The Bill of Quantities (BOQ) is a crucial part of an EPC contract. It details every component—solar panels, inverters, cables, structures—ensuring transparency and accurate cost estimation for solar EPC projects. This reduces hidden charges and budget overruns.

Check out our detailed guide on the Solar EPC Procurement Process to understand what a reliable BOQ includes and why it matters in your project planning.

12. What Are the Key Benefits of Hiring an Experienced EPC Contractor?

An experienced EPC contractor:

  • Provides design flexibility for unique site conditions
  • Uses premium components with valid warranties
  • Ensures safety compliance and timely installation
  • Offers post-installation operation and maintenance (O&M) services

Rayzon Green has delivered dozens of successful industrial rooftop and ground-mounted projects across India with exceptional client satisfaction. You can see our expertise in projects that enhance property value through solar.

13. Are There Different Types of Solar EPC Services?

Yes! Solar EPC services can be tailored for:

  • Rooftop systems for industries, institutions, or homes
  • Ground-mounted systems for large-scale power generation
  • Hybrid EPC solutions with battery storage
  • Floating solar EPC for water reservoirs

Choosing the right type depends on your space, energy requirement, and budget. Read more about Ground-Mounted vs Rooftop Solar and how Rayzon Green adapts EPC planning for various applications.

14. What Post-Installation Support Should I Expect from My EPC Firm?

Top EPC firms offer long-term support through AMC (Annual Maintenance Contracts), system monitoring, cleaning schedules, and warranty claim management. Don’t hire an EPC contractor that only focuses on installation without after-sales support.

Rayzon Green believes in building lifetime relationships with clients. We ensure proactive O&M, backed by our in-house technical support that guarantees consistent system performance.

Conclusion

Choosing the right Solar EPC company in India isn’t just a one-time decision; it’s a long-term investment in your sustainability journey. From designing efficient systems to delivering precision installation, the right EPC contractor will make all the difference. These Solar EPC company FAQs are meant to guide you through each critical checkpoint of hiring.

Rayzon Green stands at the forefront of India's EPC revolution—helping industries, corporates, and institutions embrace clean energy through robust engineering and cost-effective execution. Make your solar project count with the right knowledge and a trusted EPC partner.

Call to Action

Still have doubts about EPC contracts or project timelines? Don’t worry. Rayzon Green is here to answer all your Solar EPC company FAQs and guide you from idea to installation. Contact us today for a free consultation, site assessment, and a tailor-made EPC proposal that fits your sustainability goals perfectly.

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Frequently Asked Questions (FAQs)

  1. What is the role of a Solar EPC company?
    A Solar EPC company designs, procures, and installs solar systems with post-installation support.
  2. How do I choose the best EPC firm in India?
    Check experience, portfolio, in-house capabilities, and their ranking among top solar EPC companies.
  3. What’s the average EPC project timeline?
    It takes 45–90 days depending on the size and complexity of the solar project.
  4. What should be included in an EPC contract?
    Detailed BOQ, milestone-based payments, warranties, completion date, O&M terms.
  5. Do EPC companies offer net metering and subsidy assistance?
    Yes, top EPC firms like Rayzon Green offer net metering, DISCOM approvals, and policy support.

Latest Trends & Our Service Highlights

Rayzon Green is pioneering clean energy innovation with large-scale EPC projects across India. We’ve executed rooftop installations for industrial giants and helped businesses shift toward sustainable operations through customized EPC planning.

At the recent World Future Energy Summit 2025, our technology was lauded for driving impactful energy transformation. Whether you’re looking for net metering, carbon reduction, or higher ROI, we deliver.