India’s solar energy sector is entering a new phase of growth, with domestic manufacturing becoming increasingly important to the country’s renewable energy ambitions. From solar cells and photovoltaic (PV) modules to advanced manufacturing technologies and integrated supply chains, Indian companies are rapidly expanding their production capabilities.
Government initiatives such as the Production Linked Incentive (PLI) Scheme and the Approved List of Models and Manufacturers (ALMM) framework have encouraged investments in domestic solar manufacturing and strengthened the country’s photovoltaic supply chain.
According to the latest figures cited from Ministry of New and Renewable Energy (MNRE) updates, ALMM-listed solar module manufacturing capacity reached 217.1 GW in August 2026, while ALMM-listed solar cell manufacturing capacity stood at 31.76 GW as of July 2026.
Against this backdrop, several Indian manufacturers are scaling up operations, adopting higher-efficiency technologies and moving toward greater vertical integration. Here are seven companies playing an important role in India’s expanding solar manufacturing landscape.
1. Waaree Energies
Waaree Energies is among India’s largest solar PV manufacturers, with major manufacturing operations in Gujarat and an expanding production network.
According to company-level information available in a 2025 SEBI filing, Waaree had approximately 13.3 GW of operational module manufacturing capacity as of June 2025, including the capacity of Indosolar. The company has also outlined plans to significantly expand both module and solar cell production.
Its manufacturing portfolio includes technologies such as TOPCon, monocrystalline PERC and bifacial modules, positioning the company to serve India’s growing demand for high-efficiency photovoltaic products.
Key highlights:
- Major location: Gujarat
- Products: Solar PV modules and cells
- Operational module capacity: Approximately 13.3 GW
- Technologies: TOPCon, mono PERC, bifacial and other PV technologies
- Focus: Expansion of module and cell manufacturing
2. Adani Solar – Mundra Manufacturing Facility
Adani Solar’s manufacturing operations are centred around its Mundra, Gujarat facility. The plant is significant because it is designed around multiple stages of the photovoltaic manufacturing value chain, including solar cells and modules.
Mundra Solar PV had approximately 4 GW of operational cell and module manufacturing capacity in the June 2025 industry comparison. The company has also announced substantial plans to expand its integrated solar manufacturing capabilities.
The focus on a more vertically integrated manufacturing model reflects India’s broader push to reduce dependence on imported components and establish a stronger domestic PV ecosystem.
Key highlights:
- Location: Mundra, Gujarat
- Company: Mundra Solar PV / Adani Solar
- Products: Solar cells and modules
- Operational capacity: Approximately 4 GW
- Focus: Integrated solar manufacturing and capacity expansion
3. GREW Solar
GREW Solar has emerged as one of India’s rapidly expanding solar manufacturers, with a strategy focused on increasing both module and cell production.
The company operates a solar module manufacturing facility near Jaipur, Rajasthan, while developing cell manufacturing capabilities at Narmadapuram, Madhya Pradesh.
According to the company’s latest available disclosures, GREW Solar has approximately 6.5 GW of solar module manufacturing capacity. It has also applied for the inclusion of 3.5 GW of N-Type TOPCon G12R cell manufacturing capacity at its Narmadapuram facility under MNRE’s ALMM List-II for solar PV cells.
The company is targeting further expansion of its module manufacturing capacity to around 11 GW and is exploring upstream integration into ingot and wafer manufacturing.
Key highlights:
- Locations: Rajasthan and Madhya Pradesh
- Module capacity: Approximately 6.5 GW
- Proposed cell capacity: 3.5 GW N-Type TOPCon G12R
- Target module capacity: Around 11 GW
- Technology: N-Type TOPCon G12R and other advanced PV technologies
- Future focus: Ingot and wafer manufacturing
4. Premier Energies
Premier Energies is another major Indian solar manufacturer expanding its presence in both solar cells and modules. The company’s manufacturing operations are based in Telangana, including its major facility at Seetharampur.
In the June 2025 industry comparison, Premier Energies had approximately 5.13 GW of module manufacturing capacity and 2 GW of cell manufacturing capacity.
The company has continued to invest in additional production capacity. A 2026 industry update reported the commissioning of a 5.6 GW solar module manufacturing facility at Seetharampur, with trial production underway.
Such capacity additions highlight the growing emphasis on domestic production of high-efficiency PV components.
Key highlights:
- Location: Telangana
- Major facility: Seetharampur
- Products: Solar cells and modules
- Existing module capacity: Approximately 5.13 GW
- Existing cell capacity: Approximately 2 GW
- Expansion: Multi-GW module and cell capacity additions
5. Vikram Solar
Vikram Solar is an established Indian solar PV manufacturer with manufacturing facilities in West Bengal and Tamil Nadu.
The company’s operational module manufacturing capacity was approximately 4.5 GW as of June 2025. It has also announced plans to expand its manufacturing footprint across modules and solar cells.
Vikram Solar’s product portfolio includes TOPCon, mono PERC, monofacial and bifacial modules, reflecting the industry’s transition toward higher-efficiency photovoltaic technologies.
Key highlights:
- Locations: West Bengal and Tamil Nadu
- Products: Solar PV modules
- Operational capacity: Approximately 4.5 GW
- Technologies: TOPCon, mono PERC, monofacial and bifacial
- Focus: Expansion of module and cell manufacturing
6. Tata Power Solar
Tata Power Solar is one of India’s established players in the solar energy industry. Its operations span solar manufacturing, engineering, procurement and construction (EPC), and renewable energy project development.
The company’s Indian manufacturing operations include facilities in Karnataka, where it produces solar cells and modules.
Tata Power’s presence across different parts of the solar value chain gives it an important position as India expands domestic renewable energy production and seeks to build stronger local manufacturing capabilities.
Key highlights:
- Major manufacturing presence: Karnataka
- Products: Solar cells and modules
- Business areas: Manufacturing, solar EPC and project development
- Focus: Integrated solar energy solutions and domestic manufacturing
7. Goldi Solar
Goldi Solar is a major solar module manufacturer based in Gujarat. The company has expanded its manufacturing capabilities in response to growing demand for domestically produced PV modules.
Goldi Solar had approximately 10.7 GW of module manufacturing capacity in the June 2025 industry comparison, with plans for additional module and cell capacity.
Its manufacturing portfolio includes monocrystalline, PERC and bifacial solar modules, enabling it to cater to different segments of the growing solar market.
Key highlights:
- Location: Gujarat
- Products: Solar PV modules
- Module capacity: Approximately 10.7 GW
- Technologies: Monocrystalline, PERC and bifacial
- Focus: Additional module and cell manufacturing capacity
India’s Solar Manufacturing Moves Towards Integration
India’s solar manufacturing expansion is increasingly moving beyond simply adding module assembly capacity. The next stage is centred on solar cell manufacturing, advanced PV technologies and deeper integration across the photovoltaic value chain.
Government programmes such as the PLI Scheme and the ALMM framework have supported investments in domestic PV manufacturing while creating a structured ecosystem for approved solar module and cell manufacturers.
For rapidly expanding manufacturers, however, increasing capacity alone will not be enough. Companies will need to balance scale, technology, product quality, supply-chain resilience, sustainability and backward integration to remain competitive.
The growing adoption of technologies such as N-Type TOPCon, alongside investments in cells, wafers and ingots, could help India gradually develop a more comprehensive domestic solar manufacturing ecosystem.
The Road Ahead
India’s renewable energy ambitions are creating significant opportunities for domestic solar manufacturers. As demand for solar power continues to rise, the ability to produce high-efficiency modules and cells within the country will become increasingly important for energy security, supply-chain resilience and the development of a competitive clean-energy industry.
The seven manufacturers highlighted here demonstrate different approaches to this transformation, from large-scale module production to integrated cell and module manufacturing and planned upstream expansion.
With continued policy support, technological development and investment, India’s solar manufacturing sector could play a much larger role not only in meeting domestic demand but also in establishing the country as a globally competitive supplier of photovoltaic technologies and equipment.