Top 10 Leading Solar EPC Companies in India | Hartek Group - EPC


Top 10 Leading Solar EPC Companies in India
Mar, 2024

Top 10 Leading Solar EPC Companies in India

Hartek Group

As India's renewable energy sector thrives, Engineering, Procurement, and Construction (EPC) companies in its solar industry have become ever more pivotal. EPC companies form the backbone of ambitious solar projects across India - responsible for designing, procuring materials, and building solar power plants. Competition among solar EPC companies has intensified in response to our nation's commitment towards sustainable sources, leading to noteworthy innovations and advancements within this field. This blog post highlights India's top 10 solar renewable energy companies while discussing their achievements and impact on shaping India's renewable energy landscape.

Hartek Group

Since 1991, Hartek Group has been an EPC business with strong power sector value chain knowledge. We are one of India's most trusted renewable energy company. Hartek's Power System business unit has completed over 350 extra high voltage and high voltage substation projects for leading industries, independent power producers, utilities, and grid infrastructure providers, powering millions nationwide and building a sustainable grid. 

Leading the Energy Transition to Renewables and Net Zero, Hartek has connected close to 7GW of Solar to the grid in utility-scale projects through its Power System and T&D expertise for leading solar developers across the country, contributing to the reduction of carbon emissions.

HARTEK GROUP is a premier engineering procurement and construction company with interests spanning the power sector value chain. Composed of five strategic business units - Power Systems, Rooftop Solar Panels, Power Distribution Products Fuel and Smart Cities.

Solar business unit has long been at the forefront of creating sustainable infrastructure and has successfully connected nearly 7GW of solar panels to utility-scale projects for leading solar developers. With an aim of connecting every consumer to clean, reliable power sources, HARTEK leads in offering rooftop solar solutions for residential, commercial, and industrial uses. Hartek Group's Power Distribution Products business unit produces electrical switchboard panels from 440V to 33,000V, Control & Relay Panels, one-stop solutions for cables, Bus Bar Trunking, Transformers and automation systems.


Tata Power Solar Systems Ltd

Bengaluru and Karnataka-based Tata Power Solar Systems Ltd. produces solar energy—a division of India's largest integrated power company, Tata Power. Tata Power Solar Systems Ltd. manufactures solar cells, modules, and systems for complete solar energy solutions. Tata Power also offers project management, engineering procurement, and construction commissioning.

Tata Power Solar has completed several large-scale solar power projects in India, including Amritsar's world's largest rooftop solar plant. It has an installed capacity of 1.1 GW for solar cell and module manufacturing.


Sterling and Wilson Solar Ltd.

It was founded in 1927 as an Indian multinational. This Mumbai-based company provides engineering, construction, and procurement.

Sterling and Wilson Solar Limited, the solar branch of Sterling and Wilson Group, offers O&M and EPC services for utility-scale solar projects. Sterling and Wilson Solar have executed global solar projects and renewable energy in India. According to IHS Markit, they were the biggest non-Chinese EPC vendor in 2019. Faridabad-based Loom Solar Pvt. Ltd. was founded in 2018 as—a manufacturer and distributor of high-quality solar panels and associated items.


Loom Solar

Solar panels, inverters, batteries, mounting frames, and more are available from Loom Solar. Using cutting-edge technology for manufacture and testing, they employ Loom Solar panels that are high-quality, efficient, and long-lasting, with simple setups and low maintenance.

The company's skilled and qualified personnel network installs residential and commercial solar energy projects throughout India. They have a range of renewable energy options to choose from.


Azure Power

Indian solar energy firm Azure Power India Pvt. Ltd. was founded in 2008. This New Delhi-based company develops, builds, and operates solar power facilities.

Azure Power manages about 7.1 GW of solar power plants in India, making it one of the biggest. They are known for providing efficient and dependable projects with real-time monitoring to maximize operations. Azure Power, an innovative Indian solar energy firm, is known for its environmentally and socially responsible initiatives and high-quality solar panels.


Vikram Solar 

Indian solar energy startup Vikram Solar Ltd. was founded in 2006. Vikram manufactures and distributes solar panels in Kolkata, West Bengal.

A leading solar panel producer of renewable energy in India, Vikram Solar has a 1.2 GW manufacturing capacity. They use cutting-edge technology to make efficient, durable, and eco-friendly panels that minimize carbon emissions in India and slash power expenses! Vikram Solar engineers, procures, and builds solar power projects in India, including the 130 MW Bhadla Solar Park in Rajasthan.


ReNew Power

Former COO Sumant Sinha founded ReNew Power Ltd. of India in 2011. Their concentration is constructing and running utility-scale wind, solar, and hydropower projects in India.

ReNew Power is one of India's significant renewable energy firms, with over 10 gigawatts of installed capacity. Known for its environmental initiatives, ReNew Power is India's #1 renewable energy firm and #2 internationally by International Finance Corporation.

Goldman Sachs, Canada Pension Plan Investment Board, Abu Dhabi Investment Authority, and JERA Co. Inc. have invested in ReNew Power. ReNew Power announced its intentions to combine with RMG Acquisition Corporation II, an SPAC, in May 2021 for $8 billion.



WAREE Energies Ltd. is a leading clean energy companies and system manufacturer. Since 2007, this Mumbai-based firm has designed, engineered, manufactured, installed, and maintained solar photovoltaic systems.

Waaree Energies produces two GW of solar modules annually and has deployed over three GW of solar power plants globally. For their environmental initiatives, Waaree Energies won the 2018 National Excellence Awards' Best Solar PV Module Manufacturer. High-quality product creation is the focus of their internal testing lab.



One of India's leading solar thermal system and photovoltaic module manufacturers is Bengaluru-based EMMVEE, established in 1992. EMMVEE has a great selection of solar water heaters, heat pumps, and culinary systems. Their cutting-edge manufacturing plant annually produces 500MW of solar modules and 250,000 solar water heaters. They also create and install projects!

Sustainability and innovation have earned EMMVEE several awards, including the India International Innovation Fair's Most Innovative Company Award in 2016. They support local communities and promote renewable energy in their sustainable development efforts.


Adani Solar Energy

A leading Indian corporation, Adani Group, owns Adani Solar Energy Pvt. Ltd. Company facilities in Mundra, Gujarat, produce 1.2 GW solar modules annually and offer projects totalling over 2 GW, including Tamil Nadu's Kamuthi Solar Power Project, India's biggest solar park. The National Excellence Awards 2020 named Adani Solar "Best Solar PV Module Manufacturer", among other environmental honours.


Bottom Line 

Top solar EPC firms are crucial to India's sustainable future. Their passion, knowledge, and invention have helped India achieve its renewable energy targets while boosting economic development and lowering carbon emissions. These businesses are dedicated to changing India's energy environment by pioneering technology and accurately managing massive projects. Hartek Group, one of India's top clean energy company, has decades of solar EPC expertise. We accelerate India's renewable energy transformation using cutting-edge technologies and best practices. Hartek Group excels in renewable energy with its comprehensive portfolio, client service, and innovation. Hartek Group leads India's sustainable energy solutions as it goes green.