Beyond Capacity: Why Compliance and Policy Stability Will Define India's Solar Future

Capacity has always been the visible part of the story. Policy certainty, compliance, and quality are the less visible, less celebrated foundations on which that capacity actually stands. Getting them right is not the next phase of India's solar growth story; it is the condition on which the story reaches the destination we’re all working towards.

August 18, 2026. By News Bureau

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ALMM

PLI schemes

Navitas Solar

Solar Cell Manufacturing

For much of the last decade, India's solar narrative has been told in GWs. Every new tender, every capacity auction, every milestone crossed on the way to the country's renewable energy targets has been a scale story: how much can be built, how fast, and at what price. As India looks toward its 500 GW non-fossil capacity target, the more consequential question is no longer how much solar the country can install, but whether the ecosystem behind that solar – the manufacturing base, the quality standards, the compliance architecture – can be trusted to perform for the next thirty years.

This is a quieter shift, but arguably a more important one. India has moved from being a market that imports modules to one that is trying to become a globally competitive manufacturing ecosystem. That transition is being engineered through two specific instruments: the Approved List of Models and Manufacturers (ALMM), which mandates eligible projects to source modules from listed domestic manufacturers, and the Production Linked Incentive (PLI) scheme, which offers financial incentives tied to actual production of solar cells and modules within the country. Together, these policies have given domestic manufacturing a real foothold in a market that for years was dominated by imports.

The Progress Is Real

It would be unfair to understate what has been achieved. Domestic module manufacturing capacity has expanded significantly over the past few years, and a growing share of utility-scale projects now use India-made modules by default, simply because ALMM requires it for many segments of the market. Cell manufacturing, being the weaker link in the domestic value chain for a long time, is now beginning to scale as PLI-linked capacity comes online. With the recent implementation of ALMM-II, investment that might once have gone toward import-dependent project development is increasingly ﬂowing into cell, ingot and wafer manufacturing facilities, and backward integration. Driving this backward integration even deeper and reducing import dependence, Navitas Solar recently committed an INR 1500 crore investment for a multi-phase 3.6 GW cell manufacturing facility with a pilot wafer and ingot line.

Where Does the Real Test Lie?

This is where the conversation needs to move beyond capacity addition. Three factors, working together, will determine whether India's manufacturing ambitions translate into a durable industry or turn into a policy-dependent bubble.

The first is policy stability. Manufacturing decisions are long-horizon decisions. A module or cell facility is typically underwritten against a demand and incentive outlook stretching well beyond a single budget cycle or policy review. Frequent changes to ALMM eligibility criteria, PLI disbursement timelines, or import duty structures might create exactly the kind of uncertainty that makes lenders and investors hesitate.

The term Stability is not to be misconstrued to mean policies can never be refined, but more from the perspective that changes should be predictable, phased, and communicated well in advance, so that a manufacturer breaking ground today can reasonably model what the operating environment will look like in year five or year ten. This matters because large-scale manufacturing capacity, once built, is not easily reversed. Investment in large-scale manufacturing facilities represents capital committed to planning, construction, equipment, and skilled labour, all coming together to generate revenue and returns over time for the stakeholders. Getting manufacturers to make that commitment requires confidence that the policy environment supporting them will still exist when the incentive period ends.

The second is compliance enforcement. By virtue of the Policy Stability factor as mentioned above, all stakeholders can be notified and informed in time, so that they can take adequate measures for validation, approvals and enforcement of the policy. This has been reasonably well managed by regulators and respective government institutions over time. Enforcement is not a bureaucratic afterthought to manufacturing policy; it is what gives the policy its meaning.

The third, and in some ways the most consequential over the long run, is quality. Solar assets are unusual among infrastructure investments in that they are expected to perform reliably for over a quarter-century, largely unattended, in harsh outdoor conditions, generating returns based on degradation curves projected decades into the future. A module that meets today's compliance checklist but underperforms in year twelve does not just hurt the developer who bought it; it becomes a data point that gets cited in the next debate about whether domestic manufacturing can be trusted or not. Consistent, rigorously enforced quality standards, third-party testing, and traceability across the supply chain are what allow ‘Made in India’ to become synonymous with ‘built to last’, rather than merely ‘built domestically’.

Why Is This a Shared Responsibility?

None of this rests solely with the government. Manufacturers have their own role to play in demonstrating that domestic production can meet international benchmarks on efficiency, durability, and bankability. Developers and financiers have a reasonable opportunity in this arena for greater involvement as stakeholders – while there is a well-established ecosystem that provides for checks and balances at the time of manufacturing, there is an opportunity for them to save potential loss of value downstream by seeking more due diligence in the EPC and O&M space, where there is a lack of adequate international standards. Testing and certification bodies have a role in maintaining rigour even as volumes scale rapidly. Policy stability, compliance, and quality are not separate tracks running in parallel; they reinforce or undermine each other.

The Real Measure of Success

India is a rapidly growing economy, and its 500 GW renewables target will very much be met. Whether it is met in a way that builds a globally competitive, self-reliant manufacturing base is a separate and harder question, one that will be answered not in installation numbers, but in whether the modules and cells produced today are still performing as promised in 2050. Capacity has always been the visible part of the story. Policy certainty, compliance, and quality are the less visible, less celebrated foundations on which that capacity actually stands. Getting them right is not the next phase of India's solar growth story; it is the condition on which the story reaches the destination we’re all working towards.

- Vineet Mittal, Director, Navitas Solar