5 Tips For Choosing The Right Rooftop Solar EPC Contractor 👷

solar epc contractor talking with manager on field

The rise of solar energy has revolutionized the way we generate electricity. Embracing solar power not only helps reduce our carbon footprint but also brings significant savings on energy costs. If you’ve made the decision to install a rooftop solar system, congratulations! However, the next crucial step is to choose the right Engineering, Procurement, and Construction (EPC) contractor for the installation process. With numerous solar epc contractors, it can be overwhelming to select the one that best suits your needs. Fear not, for we, at Infisol Energy, are here to assist you in making an informed and confident choice for a sustainable solar future.

1. Get multiple quotes

Obtaining multiple quotes from different EPC contractors is the first step toward making an informed decision. When seeking quotes, ensure you provide accurate and detailed information about your rooftop solar project. These quotes will help you compare prices, services offered, equipment specifications, and warranties. Remember, the cheapest option isn’t always the best, as it may compromise the quality of materials and workmanship.

It’s essential to understand the components of each quote and evaluate the value for money offered by each EPC contractor. Look for transparency in pricing, a breakdown of costs, and a clear explanation of what is covered in the quote. A reputable EPC contractor will be willing to provide all necessary information and answer any questions you may have about their quote.

Note: Evaluate Technical Specifications

In addition to comparing prices, pay close attention to the technical specifications mentioned in each quote. Look for details about the solar panel brands and models, inverter efficiency, mounting systems, and any additional components included in the installation. High-quality solar panels and inverters contribute to the overall performance and longevity of your solar system.

2. Check the company’s experience

Experience is a vital factor when choosing an EPC contractor for your rooftop solar project. A well-established and experienced EPC contractor is more likely to have dealt with various types of installations and challenges. Research how long the company has been in business and inquire about their track record. Seek testimonials and reviews from past clients to gain insights into their performance, workmanship, and customer satisfaction.

Note: Local Expertise Matters

Choose an EPC contractor with experience in your region. Different areas may have unique weather conditions, local regulations, and building codes that can impact the design and installation process. A local EPC contractor will be more familiar with these factors and better equipped to handle any regional challenges.

3. Ask about the company’s qualifications

To ensure a successful rooftop solar installation, inquire about the qualifications and certifications of the EPC contractor and their team. A reputable EPC contractor should employ qualified engineers and technicians with specialized solar training and certifications. Confirm that they are licensed, insured, and adhere to safety standards.

Note: Certifications and Associations

Look for EPC contractors affiliated with recognized solar energy associations or have industry-specific certifications, such as NABCEP (North American Board of Certified Energy Practitioners). Such affiliations demonstrate their commitment to professionalism and adherence to high-quality standards.

4. Get everything in writing

Before finalizing any agreement, ensure all terms and conditions are documented in writing. A written contract provides clarity on what is expected from both parties and protects you from potential misunderstandings or disputes in the future. The contract should include:

– Detailed scope of work: Specify the solar system size, type of solar panels and inverters, mounting methods, and any additional equipment or services.

– Pricing and payment terms: Clearly state the total cost of the installation, payment schedule, and any applicable incentives or rebates.

– Warranty information: Outline the warranties provided for solar panels, inverters, and workmanship.

– Project timeline: Establish a realistic timeline for the installation process.

– Permits and approvals: Clearly define who is responsible for obtaining necessary permits and approvals.

Note: Seek Legal Advice

Consult with a legal professional or solar energy expert to review the contract before signing. A legal review ensures you understand the terms and are protected from any unfavorable conditions.

5. Ask about the company’s customer service

Effective and reliable customer service is essential when choosing an EPC contractor. A company that prioritizes customer satisfaction will be responsive to your inquiries, provide regular updates during the installation process, and promptly address any concerns or issues that may arise.

Note: References and Testimonials

Ask the EPC contractor for references or testimonials from previous customers. Reach out to these clients and inquire about their experience working with the company. Their feedback will offer valuable insights into the EPC contractor’s customer service and overall performance.

Checklist to help you choose the right rooftop solar EPC contractor:

– Get multiple quotes.

– Check the company’s experience.

– Ask about the company’s qualifications.

– Get everything in writing.

– Ask about the company’s customer service.

Additional Tips:

1. Ask about the company’s financing options

Affording a rooftop solar system can be made easier with various financing options. Many EPC contractors offer financing plans, such as solar loans or lease agreements, to spread out the cost of the installation over time. Before committing to any financing option, compare the terms and interest rates to find the best fit for your budget.

2. Check the company’s website

A well-designed and informative website is a reflection of the EPC contractor’s professionalism and commitment to customer service. Look for clear pricing information, educational resources, and a portfolio showcasing their previous projects. The website should also have an easy-to-navigate interface, making it simple for you to find the information you need.

3. Talk to past customers

Speaking directly with previous customers of the EPC contractor is an excellent way to gain firsthand insights into their experience. Ask about the installation process, any challenges faced, and how well the solar system has performed since installation. Satisfied customers are an indicator of the EPC contractor’s reliability and dedication to quality.


Selecting the right rooftop solar EPC contractor is crucial to ensuring a smooth and successful solar installation process. By following the five tips outlined in this article, you can make a well-informed decision that aligns with your budget, sustainability goals, and energy needs. Remember to thoroughly research and evaluate each EPC contractor before making your final choice.

At Infisol Energy, we are committed to delivering top-notch solar solutions that empower businesses and homeowners to embrace renewable energy with confidence. With our expertise, exceptional customer service, and track record of successful solar projects, we are confident that we can make your solar journey a seamless and rewarding one.

Visit our website infisol-energy to learn more about our services, financing options, and our past commissioned projects. Together, let’s create a greener and more sustainable future powered by the sun.

Check our previous commissioned projects📥

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