In a sharp reversal of fortunes for India’s solar manufacturing sector, solar exports from India dropped in September after pressure from U.S. tariff measures. As reported by the government data cited by industry sources, India’s solar-module exports plunged to about US$80 million in September, down from US$134 million in August.

The decline comes against a backdrop of increasing manufacturing capacity domestically and tightening trade conditions internationally, displaying the strain on India’s solar-export ambitions.

U.S. Tariff Measures Hit Indian Solar Export Market

The reduction in solar exports from India in September is strongly connected to the trade measures taken by the United States. Earlier this year, U.S. buyers accounted for more than 90% of India’s module exports as they sought different options to Chinese-made solar panels amid Washington’s restrictions.

However, U.S. authorities have implemented a 50% tariff on certain Indian solar goods (a legacy from the Trump administration) and are increasingly scrutinising whether Chinese-made components are being shipped via India. With the U.S. market now less accessible, solar exports from India dropped in September, showing the rapid consequence of that policy pivot.

Domestic manufacturers are now redirecting previously export-intended shipments to India’s own market, responding to weaker overseas demand and trade headwinds. As a result, they face the twin challenges of saturated domestic demand and mounting capacity.

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Key Factors Behind the Reduction

Below are some major reasons why solar exports from India dropped in September:

1. The imposition of high U.S. tariffs and tighter import scrutiny increased the cost and complexity of selling Indian-made solar modules to a market that once absorbed the majority of them.
2. Delays and risk of investigations into whether Indian exports contained Chinese-made components discouraged U.S. buyers and gave rise to uncertainty for Indian suppliers.
3. Domestic shipping and logistics costs increased, while lowered profitability led some Indian module manufacturers to scale back their export-focused production plans.
4. Rising competition from Southeast-Asian producers with lower cost bases, linked with slowing U.S. orders, pulled demand away from Indian exporters and contributed to the drop.

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The Bottom Line

The fact that solar exports from India dropped in September is a telling moment for India’s renewable-manufacturing strategy. While India’s approved solar module manufacturing capacity currently stands at about 110 GW and is projected to climb to 165 GW by March 2027, according to ratings agency ICRA, the domestic installation rate remains below the 44 to 45 GW annual target needed to meet India’s 2030 goals.

In brief, with overseas demand faltering and domestic absorption not sufficient, the oversupply risk is real. For India to recover from this slump, manufacturers will need to diversify export markets, strengthen upstream (cells, wafers, polysilicon) supply chains and adapt to shifting trade regimes. Only then can the trend of solar exports from India drop in September be reversed and the nation resume its trajectory toward becoming a central global solar-module hub.

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