Solar EPC Companies in India

Solar EPC Companies in India

Disclaimer : This article does not indicate any ranking for the companies listed. These are a list of companies operating in the Solar EPC business. We do not vouch for the accuracy and authenticity of the data furnished in this website. Please reach out with the companies.   


In this blog, we are focusing on the top 10 Solar EPC Companies in India. We all are aware of the term “SOLAR”, but what is EPC and what do we mean when we say Solar EPC companies? Basically, EPC is an acronym that stands for Engineering, Procurement, and Construction. AN EPC company facilitates you with obtaining equipment, engineering design, and delivery of the functioning asset to the client.  In Solar Industry, EPC is sophisticated as solar installation and it is a long-term investment. It includes 

Detailed Engineering Design of Solar Plant 

In this client’s requirement analysis, weather monitoring, structural design, site survey, power generation, capacity determination, engineering design, selection of equipment with 3D modeling of the proposed Solar Power Plant are included. 

Procurement of Equipment

In this, companies like Insolergy Technologies which provides services to procure equipment along with the required parts for solar photovoltaic (PV) plants from local & global manufacturers, etc. are included.

Construction of Solar Plant

–  This activity includes mounting accessories, on-grid/ off-grid connectivity to the client’s existing power supply as well as PV Panels.

Ten Solar EPC Companies in India. 

Intersolar System Private Limited:

  • Intersolar System Private Ltd. is one of the most popular as well as reputed names in the industry and market. The company is being trusted by people for its services, and quality along with effective and long-lasting products. This company was established in 1997. Now, it is one of the best suppliers of EPC that perform the complete process of production and manufacturing with care. It has a team of professionals employees and workers who contribute to the making of quality solar products which are not only long-lasting but are affordable and don’t have any maintenance fees. It manufactures its products using the best technology. 

Solar EPC Solutions:

  • Solar EPC Solutions is one of the famous companies that excel in manufacturing the best quality products. It is counted among the best EPC companies in India. It has various branches in India as well as outside the country. The best thing about this company is that they have expertise in working in this field for 89 years. They have a team of experienced people who manufacture the best products. Also, they have a record of delivering their products on time and have a chain of satisfied customers. 

Rays Power Infra:

  • One of the most powerful and famous names in the Solar Industry is Rays Power Infra. Well, there are a lot of reasons to choose this company like environment-friendly, cost-effective & energy efficient. Unlike many companies, it has enough potential to deliver a quick return on investment. It can be a good choice if you want to have quality products. 

Refex Energy Ltd.

One of the largest solar EPC companies in India is Refex Energy Limited.  It has commissioned 530 MW till December 2021. They build as well as operate solar power plants ranging from KW-sized rooftop projects to MW-sized grid-scale projects. This company is involved in almost all the stages of the execution of a project. Project execution starts from conceptualizations, design, and project engineering. Its operation & maintenance division for solar power projects has more than 300MWp. Being a powerful and effective EPC solar company, it has left its impression in various cities and is known for its products. 

Sirmouri Solar:

One of the best and largest EPC companies is Sirmouri Solar. It is a 10-year-old solar energy company based in Gurugram, India. They have installed over 100 solar products specialized in on-grid, off-grid, etc.  This company is dedicated to Engineering, Procurement, and Commissioning (EPC) of the following : 

  • The rooftop power plant of 1kW – 1 MW.
  • Solar Water Heaters of Capacity from 100 L to 5000 L.
  • All types of Solar Systems for business, industry, school, and home.

Sirmouri Solar is a Ministry of New and Renewable Energy (MNRE) Channel partner. They also give subsidies on Solar systems. 

Enrich Energy – The solar People:

Enrich Energy offers Turnkey services from concept to commissioning with EPC for solar power projects and is headquartered in Pune, India. They have rich experience in commissioning 400 MW+ solar projects across various states of India. They are established as the pioneer in developing solar power projects and thereby recognized as the “First Private Solar Park Developer” in India. They received various awards like Green Award (2014), Excellence Award (2014) for their high-class performance and exceptional contribution to the Solar Energy sector. 

Premier Solar System:

Premier Solar System company started in 1995 and currently it guarantees a 25-year performance for its Solar Panels. They have a very strong R & D team along with technocrats (technical experts). It has an advanced manufacturing facility in Hyderabad, India. They are recognized especially for their high-quality and affordable solar products with longer life. They also earned a certificate of quality from Ispra, Italy. It is a renowned expert house that is present in 15 countries across Europe, Asia, and Africa. In the span of 5 years, it has attained a growth rate of 100% and at the same time accumulated National awards for Excellence in Performance, Entrepreneurship, and Exports.

Varshini Power:

Varshini Power Projects India Pvt. Ltd. was established in 2011 and has a headquarter in Hyderabad. It is a registered Solar Photovoltaic (PV) project integrator in NREDCAP (New and Renewable Energy Development Corporation of Andhra Pradesh). It has a strong presence in Renewable Energy. They provide Engineering, Procurement & Construction (EPC), Advisory as well as Operation & Maintenance Services that aim to Wind and Solar power projects. They also have a joint venture with a number of reputed companies across the globe. 

EMMVEE EPC solar company:

EMMVEE EPC solar company is one of the leading manufacturers with a substantial share in Europe, India, Africa, and the Middle East. They are specialized in manufacturing the best and most high-quality solar products using the best technologies. 

Vigor Solar Energy Pvt. Ltd.:

Vigor Solar Energy Private Limited is known for its class products and hence is one of the best EPC solar companies in India. Their solar power plant consulting division also provides consulting services in setting up MW level grid-connected solar PV power Plants in consortium with international companies. They believe that open roof spaces on rooftops of buildings can potentially save energy every year.


  • What are the products and services that an EPC company offers?

Ans: If it is a rooftop solar plant then it inculcates Inverter, Junction Box, Cables, Solar Panels along with other small accessories. Now, when you install a solar rooftop plant, then reports & feasibility assessment, engineering and design, procurement & supply, permits & approvals, maintenance after installation, commissioning & installation, and last but not the least financing as some of the services that an EPC company offers.

  • What models are there for the implementation of rooftop photovoltaic systems? 

Ans: There are two models for the implementation of rooftop PV systems : 

(i) CAPEX Model: In this model, the system belongs to the consumer himself and he has to bear the cost of the whole system. 

(ii) RESCO Model: In this model, the whole system is owned by the third-party project developer. Here, the consumer only purchases the energy generated. They have to pay aa per a pre-decided tariff every month according to PPA (Power Purchase Agreement). 

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