China Produced Millions of Tonnes of Silicon While India Struggles Upstream: The Gap That Could Decide the Solar Manufacturing Race
By NiraDha News Editorial Team
September 9, 2026
India has emerged as one of the world's fastest-growing solar energy markets and has built an enormous manufacturing base for solar modules, yet behind the impressive numbers lies a weakness that could determine whether the country becomes genuinely self-reliant in clean-energy manufacturing or remains dependent on China for some of the most important raw materials and components used to make solar panels. The contrast is particularly striking at the beginning of the solar manufacturing chain, where China has built an industrial ecosystem of extraordinary scale while India is still struggling to establish sufficient domestic production of polysilicon, ingots and wafers. A widely cited comparison put China's polysilicon production at around 6.6 million tonnes against India's roughly 60,000 tonnes in 2023, illustrating the enormous historical difference in upstream manufacturing capacity, although the figures should not be treated as a current 2026 production comparison because India's solar manufacturing landscape has changed considerably since then. Vek Policy
The real story, therefore, is not simply that China produces more silicon than India; it is that the two countries have developed their solar industries at very different points in the value chain. India has moved rapidly into module assembly and, increasingly, cell manufacturing, while China has spent years building capabilities across almost the entire production chain, beginning with polysilicon and moving through ingots, wafers, cells and finally modules. That difference gives Chinese manufacturers advantages in scale, cost, technology, equipment, supply networks and industrial experience that are difficult for a newer manufacturing ecosystem to reproduce quickly. NITI Aayog's recent assessment shows just how concentrated global solar manufacturing remains, with China accounting for more than 85% of global PV manufacturing capacity and holding particularly dominant positions in polysilicon, wafers, cells and modules. Down To Earth
The Solar Panel Does Not Begin With a Solar Panel
One of the biggest misunderstandings surrounding solar manufacturing is that a country can become self-reliant simply by producing solar panels domestically, but the panel that consumers see at the end of the process represents only the final stage of a much longer industrial chain. The manufacturing process begins with high-purity silicon, which is converted into polysilicon, then melted into ingots, sliced into extremely thin wafers, processed into solar cells and finally assembled into modules that can be installed on rooftops, farms and large solar parks.
This distinction is critical for India because the country has made enormous progress at the final stages while remaining comparatively weak at the beginning of the chain. NITI Aayog's 2026 assessment says India's PV module manufacturing capacity had reached about 100 GW by August 2025, while cell capacity had reached roughly 25 GW by March 2025, but wafer capacity was only around 2 GW. The report also highlights India's continuing dependence on imports for upstream inputs, with China remaining a major source. Down To Earth
More recent industry assessments show that India's module manufacturing capacity has expanded even further, reaching approximately 233 GW by June 2026, while cell manufacturing capacity was around 42 GW and ingot-wafer capacity remained only about 8.12 GW. Domestic polysilicon production remains absent or extremely limited as a commercial industrial base, demonstrating that India's manufacturing growth has been heavily concentrated toward the downstream end of the solar chain. IEEFA
China's Real Advantage Is the Ecosystem
China's dominance did not emerge simply because Chinese companies decided to manufacture more solar panels than everyone else; it developed through a long industrial strategy that combined government support, cheap financing, large-scale investment, infrastructure development, skilled labour, equipment manufacturing, research and development and an enormous domestic market.
The result is an ecosystem in which one manufacturer can obtain machinery, raw materials, chemicals, components, logistics and technical expertise from a vast network of suppliers operating within the same country or region. When production reaches enormous scale, fixed costs can be distributed across millions of units, equipment can be used more efficiently and suppliers themselves become more specialised, creating a cycle in which larger production leads to lower costs and lower costs encourage even more production.
NITI Aayog's assessment notes that China's PV manufacturing capacity increased more than 18,000 times between 2004 and 2024, while the country's early strategic push into photovoltaic manufacturing was supported through measures including low-cost finance, tax incentives, industrial policies, research and development and skill development. China now dominates almost every major stage of the solar value chain. Down To Earth
That is the challenge India now faces.
India Has Built Capacity, But It Has Built It From the Bottom of the Problem
India's solar manufacturing story is nevertheless far from negative. In fact, the country has achieved remarkable growth in a relatively short period.
India's module manufacturing capacity has increased from only a few gigawatts more than a decade ago to more than 200 GW today, making the country one of the world's largest solar module manufacturing bases. Solar cell capacity has also expanded rapidly, while government programmes such as the Production Linked Incentive scheme and the Approved List of Models and Manufacturers have encouraged domestic investment and created demand for locally produced equipment. Down To Earth
The problem is that module assembly is not enough.
A company can assemble solar modules in India while importing wafers, ingots, polysilicon and even specialised manufacturing equipment from abroad. Such a factory creates domestic jobs and adds manufacturing capacity, but it does not provide complete supply-chain independence.
That is precisely why India's next phase of solar policy will have to move deeper into the value chain.
India Could Become a Solar Manufacturing Powerhouse—But Only If It Moves Upstream
India's domestic solar market provides a powerful foundation for building that deeper manufacturing ecosystem. The country is rapidly increasing solar generation capacity, and government targets require enormous additions in renewable energy over the coming years. NITI Aayog estimates that India needs to add roughly 174 GW of solar capacity to reach its 2030 target of 280 GW based on its cited planning framework. Down To Earth
This enormous domestic demand creates something China had during its own industrial rise: a large home market capable of supporting manufacturing investment before companies become globally competitive.
The opportunity is particularly important because global companies and governments are increasingly concerned about supply-chain concentration. The solar industry is one of the clearest examples of what happens when a critical clean-energy technology becomes heavily dependent on one manufacturing centre. If geopolitical tensions, trade restrictions, shipping disruptions or sudden changes in Chinese export policy affect the supply of solar components, countries that rely heavily on imports could face higher costs or delays in expanding renewable energy.
India therefore has an opportunity not merely to produce more solar panels but to position itself as one of the world's alternative manufacturing centres for the entire solar value chain.
The Problem Is Not Just Technology; It Is Cost
Building a polysilicon industry is considerably more complicated than establishing a module assembly plant because the upstream stages are capital-intensive, energy-intensive and technologically demanding.
India must invest in high-purity silicon production, polysilicon facilities, ingot furnaces, wafer slicing equipment, specialised chemicals, clean manufacturing environments and the engineering systems needed to maintain extremely precise production conditions. These investments require large amounts of capital and take time before they begin generating competitive returns.
Business Today recently reported that India imports almost all of its upstream essentials, including around 98% of wafers and 100% of polysilicon, while the country has only about 2 GW of ingot and wafer capacity in the cited assessment. It also noted that more than 90% of important upstream equipment is imported. Business Today
This demonstrates why simply imposing import restrictions cannot solve the problem.
If India restricts imports before domestic upstream capacity exists, manufacturers may find themselves unable to obtain the components they need, potentially forcing factories to reduce production or remain idle.
That risk has already become visible.
India's Solar Factories Are Facing a Different Kind of Problem
A recent Reuters report highlighted how some Indian solar manufacturers have faced production disruptions because domestic components have not become available quickly enough to replace Chinese imports. Some manufacturers reportedly faced waits of several months for domestic cells, while the new rules created pressure on factories and investments. Japan Times
This is a classic industrial-development problem: protecting domestic manufacturing can create short-term pain before the domestic supply chain becomes strong enough to replace imports.
The policy challenge is therefore to create a transition in which Indian companies can continue producing while domestic upstream suppliers are developed gradually, rather than creating a sudden gap between demand and available components.
India needs a bridge from the China-dependent present to a more integrated domestic future.
India Is Already Trying to Build That Bridge
The government has not ignored the problem. The Production Linked Incentive scheme has been used to encourage integrated solar PV manufacturing, while the Approved List of Models and Manufacturers has helped create a domestic market for Indian-made products.
NITI Aayog says the two PLI tranches together have supported 48 GW of integrated PV manufacturing capacity, while the government has also moved toward deeper backward integration by proposing stronger requirements for domestically produced wafers in future stages of the ALMM framework. Down To Earth
These measures could become important if they are implemented alongside investment in technology, skilled labour, infrastructure and competitive electricity.
The challenge is that policies alone cannot create a globally competitive solar industry.
India must eventually produce components at prices that allow its manufacturers to compete internationally.
China Is Not Standing Still
Perhaps the biggest mistake India could make would be to assume that China's current dominance means China will remain vulnerable while India catches up.
The reality is more complicated.
Chinese manufacturers are already dealing with enormous overcapacity and intense price competition within their own industry, which has forced many companies to operate under financial pressure. An Australian government-linked silicon study noted that China's polysilicon industry experienced significant overcapacity in 2025, with production capacity far exceeding demand. Australian Renewable Energy Agency
That overcapacity is a problem for Chinese manufacturers, but it can also create an advantage for global buyers because Chinese companies can sell components at extremely competitive prices.
India therefore has to compete against an industry that is not merely large but already deeply optimised.
The Next Solar War Will Be About the Entire Supply Chain
The global solar race is gradually moving beyond the question of who can assemble the most panels.
The next stage will be about who controls the complete supply chain.
Who produces polysilicon?
Who makes the ingots?
Who produces wafers?
Who develops the most efficient cells?
Who manufactures the equipment?
Who owns the technology?
Who controls the critical minerals and chemicals?
Who can produce all of these components at globally competitive prices?
These questions will determine which countries become genuine solar manufacturing powers and which countries remain assembly centres dependent on imported inputs.
India has already demonstrated that it can build enormous module capacity. The next challenge is proving that it can build the industrial foundation beneath those modules.
Why This Matters for India's Energy Security
India's dependence on imported fossil fuels has long been considered a major strategic vulnerability, which is one reason renewable energy is so important to the country's long-term economic and energy strategy.
But renewable energy does not automatically mean energy independence.
If India generates electricity from solar panels manufactured domestically but relies heavily on another country for the polysilicon, wafers, machinery and critical components required to produce those panels, part of the strategic dependence simply moves from oil and gas to industrial supply chains.
This does not mean India must produce every single component domestically at any cost. International trade will remain essential, and importing some materials can be economically sensible.
The real objective should be strategic resilience—ensuring that India possesses enough domestic capability across critical stages of the supply chain that an external disruption cannot suddenly threaten the country's renewable-energy expansion.
India Needs Scale, Not Just More Factories
One of the most important lessons from China is that manufacturing success depends on scale.
India can announce dozens of factories, but if those factories operate below capacity, use outdated technology or remain dependent on imported components, the country will struggle to compete with Chinese producers.
This issue is already becoming visible in India's module industry. An IEEFA assessment published in September 2026 found that India's approximately 233 GW of module manufacturing capacity was operating at only 35–40% utilisation, well below the estimated sustainable level of 50–65%. The organisation warned that further capacity additions without sufficient demand and integration could increase financial pressure on smaller manufacturers. IEEFA
This means India's next manufacturing strategy should not simply be “build more factories.”
It should be:
Build better factories.
Integrate the supply chain.
Improve productivity.
Develop technology.
Lower costs.
Increase exports.
And most importantly, produce the components that currently have to be imported.
The Silicon Gap Is Really an Industrial Gap
The comparison between China's millions of tonnes of polysilicon production and India's much smaller historical production should therefore be understood as a symbol of a much broader industrial difference.
It represents the difference between an economy that has spent decades developing an integrated manufacturing ecosystem and one that is now trying to build that ecosystem at extraordinary speed.
India has the market.
It has growing demand.
It has engineers.
It has capital.
It has government support.
It has a huge renewable-energy opportunity.
What it still needs is deeper integration across the manufacturing chain.
The question is whether India can build that capability quickly enough to compete with China while solar demand continues to expand around the world.
The Solar Opportunity Could Become India's Next Manufacturing Test
India's solar industry is entering a critical phase. The country has already demonstrated that it can rapidly increase module manufacturing capacity, but the next decade will determine whether that capacity develops into a truly integrated industrial ecosystem or remains dependent on imported upstream materials.
The opportunity is enormous because the global transition toward renewable energy will require vast quantities of solar equipment. India could become one of the world's major alternative suppliers if it successfully develops polysilicon, ingot, wafer, cell and module manufacturing together with competitive machinery, research and development and skilled labour.
NITI Aayog's assessment makes the direction clear: India needs to strengthen upstream manufacturing, diversify sources of capital goods, encourage strategic partnerships and develop capabilities in polysilicon, ingots and wafers if it wants to become a global manufacturing hub. Down To Earth
China's dominance has shown what is possible when an entire industrial ecosystem develops around one technology.
India now has the opportunity to build its own.
The Real Solar War Has Already Begun
The future of solar energy will not be decided only by how many gigawatts of panels a country can install. It will increasingly be decided by who controls the technologies and supply chains behind those panels.
China has built an enormous advantage by controlling the upstream and downstream stages of the solar industry, while India has moved rapidly into modules and cells but still has a significant upstream gap.
The famous comparison of 6.6 million tonnes of Chinese polysilicon versus 60,000 tonnes of Indian production in 2023 captures the scale of that historical difference, but the more important question in 2026 is what India does next. Vek Policy
If India can build competitive polysilicon, wafer and ingot manufacturing while simultaneously improving cell technology, manufacturing efficiency and export competitiveness, the country could transform its solar industry from a largely downstream manufacturing success into a complete industrial ecosystem.
If it fails to do so, India may continue to install huge amounts of solar capacity while remaining dependent on foreign suppliers for the most strategically important parts of the technology.
The solar race is therefore no longer simply about who installs the most panels. It is about who controls what lies inside them.
And in that race, India's biggest challenge is not the number of solar panels it can manufacture.
It is the depth of the industrial ecosystem behind every panel.