The Green Paradox: Why Sustainable Manufacturing is the Missing Link in India's Clean Energy Story

The green economy needs more than green products; it needs manufacturers that embed sustainability into their own operations. As India advances its clean energy ambitions, the focus must extend beyond what is being built to how it is being built.

August 13, 2026. By News Bureau

Tags:

articles

Non-fossil fuel capacity

India is in the middle of an infrastructure revolution. Electric vehicles are rolling off assembly lines at a record pace. Solar farms are spreading across arid landscapes that once sat idle; India crossed 100 GW of installed solar capacity in early 2025, a 36-fold increase from just 2.82 GW a decade ago, with a record 24.5 GW added in 2024 alone. Smart grids are threading themselves through cities that, a decade ago, could barely sustain reliable power. The country has set its sights on 500 GW of non-fossil fuel capacity by 2030 and net-zero emissions by 2070. The numbers are compelling, the ambition is real, and the direction is right.

Yet the environmental cost of building the green economy itself deserves far greater attention than it currently receives. The IEA projects a 45 percent surge in copper demand from the energy sector alone by 2030, with supply potentially falling short by as much as 20 percent under a net-zero scenario. India’s copper demand already rose 9.3 percent in FY25 to 1,878 kilotonnes, driven by infrastructure, renewables, and electric mobility, and by 2050, India is forecast to become the world’s second-largest copper-consuming economy. The metal that powers the clean energy transition must itself be produced responsibly.

The Contradiction at the Heart of the Transition

Each electric vehicle contains approximately 80 kilograms of copper, nearly four times the copper found in a conventional petrol car. Each wind turbine requires up to 4 tonnes of it. The conductivity that only high-purity copper can provide reliably is the bedrock of every kilometre of high-efficiency power transmission line. As India races toward its 2070 net-zero target, the pressure on copper supply is intensifying fast.
Copper is indispensable to the clean energy transition. But transforming raw copper into a usable industrial material requires an extensive manufacturing process. It is cast, drawn, annealed, and extruded through manufacturing processes that, if run carelessly, carry their own significant environmental footprint. Primary copper production leaves a measurable impact on the environment in the form of atmospheric emissions, solid waste, and waterborne pollutants, a reality that sits uneasily alongside the clean energy narrative copper is meant to serve. The irony is uncomfortable: we risk building a clean energy future on a supply chain that has not yet cleaned up its own act. This is the green paradox, and it is one that the manufacturing sector can no longer afford to ignore.

Why Manufacturing is the Overlooked Variable

In any conversation about the clean energy transition between policymakers and industry experts, what typically takes centre stage is the outcome rather than the means of reaching it. The focus of their discussion would be the solar panels, electric vehicles, and the grid rather than the production process of these products. Yet this blind spot carries a measurable cost. According to the IEA, industrial combustion and manufacturing processes account for 21 percent of global greenhouse gas emissions, making it the second largest emitting sector in the world, behind only power generation.

However, the truth is that manufacturing is one of the most critical parts of the value chain. Every decision taken on a factory floor on energy consumption, material waste, process optimisation, and operational design has a direct bearing on the carbon footprint of each product that leaves it. The manufacturing of wind turbine components alone is the single largest contributor to a turbine's lifetime carbon and energy footprint, accounting for as much as 84 percent of its total energy requirement over a 20-year lifecycle. A turbine built through an energy-intensive and wasteful process carries an environmental burden that could take considerably longer to offset, whereas one built with manufacturing efficiency in mind can offset its full carbon debt in as little as seven months.

Copper as a Case Study in Responsible Manufacturing

Copper offers a compelling lens through which to examine this challenge, because unlike many industrial materials, it comes with a built-in sustainability advantage. Copper is 100 percent recyclable, with an infinite life cycle; it can be melted, refined, and repurposed indefinitely without any reduction of its electrical properties or functionality. The environmental case for recycling it is equally compelling: recycling copper requires up to 85 percent less energy than primary production, and recycling a single tonne of copper can prevent up to 15 metric tonnes of CO₂ from entering the atmosphere. Today, nearly one-third of global copper consumption is already met through recycled sources, and that share is growing. In India specifically, recycled copper already accounts for 42 percent of total domestic demand, up from 38.4 percent just a year earlier, a signal that the industry is moving in the right direction. In an era of increasing emphasis on circular economics, copper is no longer simply an electrical conductor. It is a measure of how responsibly a manufacturer chooses to operate.

But recyclability alone is not enough. The way copper is manufactured in its primary form, the precision of the casting process, and the energy consumed during wire drawing and the waste generated through annealing, all of this matters enormously. A manufacturer that leverages copper's inherent recyclability while also minimising operational waste is not merely compliant. It is genuinely contributing to the environmental goals that the clean energy sector exists to serve. The standard, in other words, cannot stop at the product; it must extend to the process.

The Role of Technology in Closing the Gap

The tools to close this gap already exist. Digital manufacturing technology, production monitoring on a real-time basis, automation of quality control, and logistics systems could be combined to make any waste and excessive energy consumption unnecessary. In other words, what used to be regarded as overhead expenses should now be considered an integral part of the modern manufacturing process. With real-time tracking of precisely how much material is being consumed, at which stage in the manufacturing process inefficiencies are observed, and how production can be fine-tuned to prevent the emergence of waste, a factory does not merely function more efficiently. It operates sustainably as well. Indeed, precision and sustainability turn out to be one and the same goal viewed through the prism of different approaches.

A Call to the Industry

The green economy needs more than green products; it needs manufacturers that embed sustainability into their own operations. As India advances its clean energy ambitions, the focus must extend beyond what is being built to how it is being built. The sustainability of the energy transition will depend on solar parks, electric vehicles, and smart grids, but mostly, on the manufacturing processes that support them.

With advances in technology, recycling, and process efficiency, manufacturers have an opportunity to reduce their environmental footprint while strengthening competitiveness. Sustainability is no longer just a compliance requirement; it is becoming a business imperative. The clean energy future will be built with copper, steel, silicon, and countless other materials that pass through factories before they reach the field. Manufacturing is not a footnote to the sustainability story; rather, it is the foundation everything else is built on.

- Pramod C, Director, Gopalan Metals