India possesses more than 200 billion tonnes of proven coal reserves and nearly 400 billion tonnes of total geological coal resources, making it one of the most coal-endowed nations in the world. Coal continues to play a critical role in India’s economic growth, energy security, industrial development, and food security through fertilizer production. Coal-based thermal power plants still account for nearly 70 per cent of India’s electricity generation. Recognizing the strategic importance of domestic coal resources, India has initiated a major policy shift toward coal gasification and coal-to-chemicals.
The Government of India has announced ambitious targets to achieve 100 million tonnes of coal gasification by 2030 and approved incentive support of approximately Rs 8,500 crore under various schemes to accelerate commercial deployment. Additional viability gap funding, fiscal incentives, and policy support are being extended for sectors such as fertilizers, methanol, synthetic fuels, hydrogen, and chemicals. This strategic push has acquired greater urgency due to growing geopolitical instability in the Middle East and recurring disruptions in global crude oil and LNG supply chains. India currently imports nearly 85-90 per cent of its crude oil requirements and about half of its natural gas demand, exposing the economy to major external vulnerabilities.
Despite sustained investments in domestic oil and gas exploration, India’s hydrocarbon import dependence remains high. Simultaneously, the country has made substantial progress in renewable energy, including solar power, bio-ethanol blending, compressed biogas, and green hydrogen initiatives. India’s National Green Hydrogen Mission aims to produce 5 million tonnes of green hydrogen annually by 2030. However, renewable energy alone may not fully address the country’s rapidly growing industrial feedstock and energy requirements in the medium term. In this context, coal gasification emerges as an important strategic pathway for enhancing energy sovereignty, reducing import dependence, and strengthening industrial self-reliance. Traditionally, coal in India has been used primarily for electricity generation. Through gasification, however, coal can be converted into synthesis gas (syngas), a mixture of carbon monoxide and hydrogen, which serves as a versatile feedstock for producing Ammonia and fertilizers, Methanol and chemicals, Synthetic Natural Gas (SNG), Hydrogen, Steel, Transport fuels and synthetic diesel.
Coal gasification therefore enables coal to move beyond combustion toward higher-value industrial applications. Globally, hydrogen production today is dominated by fossil fuels ~ around 62 per cent is produced from natural gas; about 18-20 per cent from coal gasification, and the remainder from oil and electrolysis. China has emerged as the world leader in coal gasification and coal-to-chemicals. It produces approximately 20 million tonnes of hydrogen annually from coal and accounts for nearly 60 per cent of global gasifier capacity. China operates large integrated coal-to-methanol, coal-to-olefins, coal-to-liquids, and coal-to-SNG complexes primarily to reduce dependence on imported LNG and petrochemicals.
Unlike many Western economies that scaled down coal gasification due to environmental concerns and access to cheaper natural gas, China continues to aggressively modernize and expand its coal gasification sector using advanced gasifiers integrated with carbon management technologies. The biggest technical challenge for India is the high ash content of domestic coal, which typically ranges between 30-45 per cent, significantly higher than coal used in many international gasification projects. Several coal characteristics critically influence gasifier performance. These include ash fusion temperature; slagging behaviour; Coal rank; Reactivity; Moisture content; Caking index; Petrographic properties; Crushing strength; Surface area and Mineral composition.
These parameters directly impact carbon conversion efficiency, syngas quality, refractory life, operational reliability, and maintenance costs. Therefore, technology selection becomes the single most critical determinant of project success. Fluidized-bed gasifiers are considered relatively suitable for Indian high-ash coal because of their better feedstock flexibility, lower operating temperatures, improved ash handling capability, and higher tolerance to coal variability. However, entrained-flow gasifiers, fixed-bed systems, and plasma-assisted technologies may also have selective applications depending on coal quality and downstream product requirements. India’s coal gasification ecosystem is still at a relatively early stage of commercialization.
While pilot and demonstration projects have shown promise, large-scale commercially successful operating plants remain limited. Projects such as Talcher Fertilizer, JSPL’s gasification initiatives, Coal India Limited projects, BHEL pilot systems, and emerging clusters in Vidarbha, represent important progress. However, India still lacks extensive operational experience in large integrated coal-to-chemicals complexes comparable to China. The initial deployment phase must therefore prioritize commercially proven technologies, guaranteed performance systems, experienced engineering partners, reliable EPC contractors, and integrated operational expertise. Strategic partnerships and technology transfer arrangements with experienced international players can significantly reduce technical and financial risks during the scale-up phase.
Major global gasification technology providers include Shell, GE Vernova, Air Liquide, Siemens Energy, and Sasol. India should simultaneously localize imported technologies and develop indigenous engineering capabilities through sustained R&D investment and industry-academia collaboration. Coal gasification economics are highly sensitive to imported LNG prices, domestic coal pricing, carbon costs, water availability, plant scale, and downstream product integration. Integrated coal mining and gasification complexes located near pitheads can substantially improve project economics by reducing transportation costs and enabling downstream value addition.
From a strategic perspective, coal gasification can reduce dependence on imported LNG, strengthen fertilizer security, support domestic methanol and hydrogen production, create industrial clusters, generate employment, and improve trade balance stability. For India, long-term energy security may outweigh short-term commercial fluctuations. The following additional strategic recommendations may be kept in mind.
* Develop Integrated Coal-to-Chemicals Hubs: India should establish integrated coal-to-chemicals industrial corridors near major coalfields in Talcher, Ib Valley, Singrauli, Korba, and Vidarbha. These hubs should combine coal mining, gasification, fertilizers, methanol, hydrogen, and downstream chemical manufacturing. This integrated model has been highly successful in China.
* Prioritize Fertilizer and Methanol Production: In the initial phase, coal gasification should focus on ammonia-urea production, methanol, dimethyl ether (DME), and substitute natural gas. These sectors offer stable demand, strategic importance, and stronger economic viability. Methanol blending in transport fuels can also reduce crude oil imports.
* Establish National Coal Gasification Technology Centres: India should establish dedicated national centres for gasifier testing, digital simulation, pilot validation, refractory development, catalyst research, ash utilization, and CCS integration. These centres should operate jointly with IITs, CSIR laboratories, BHEL, Coal India, and private industry.
* Accelerate Digital Twin and AI-Based Optimization: Digital twins, AI-driven predictive maintenance, and advanced process modelling can significantly improve operational reliability, energy efficiency, safety, and adaptation of foreign technologies to Indian coal. Virtual simulation environments can reduce pilot plant costs and accelerate commercialization.
* Build a Carbon Management Roadmap: Coal gasification produces concentrated CO2 streams, making carbon capture technically easier compared to conventional coal combustion. India should adopt a phased approach ~ Phase I: Efficiency optimization, Phase II: CO2 utilization, and Phase III: CCS integration where commercially viable. Captured CO2 can potentially be utilized in chemicals, methanol, enhanced oil recovery, synthetic fuels, and building materials.
* Water Security Must Be Central: Coal gasification is water-intensive. Future projects should incorporate zero liquid discharge systems, wastewater recycling, dry cooling technologies, treated sewage water utilization, and integrated water management planning. Water availability could become a decisive factor for project viability.
* Create an International Coal Gasification Alliance: India should lead the formation of an “International Coal Gasification Alliance” involving China, South Africa, Australia, Indonesia, Germany, and other coal-rich economies. The alliance could focus on advanced gasification technologies, hydrogen production, carbon management, underground coal gasification, digitalization, and industrial decarbonization.
* Strengthen Environmental and Safety Governance: Future projects must incorporate advanced emission control systems, robust lifecycle carbon accounting, independent safety audits, environmental monitoring, and strong community engagement frameworks. Dedicated safety budgets and sophisticated risk assessment systems are essential for both mining and gasification operations. Coal gasification represents a major strategic opportunity for India to convert its abundant coal reserves into higher-value industrial products while reducing dependence on imported fossil fuels.
Coal ~ often referred to as the “black diamond” ~ can become a foundation for India’s future energy security if transformed into hydrogen, fertilizers, chemicals, synthetic fuels, and cleaner industrial feedstocks through modern gasification technologies. However, the success of India’s coal gasification mission will depend not merely on policy announcements, but on commercially proven technologies, integrated project planning, reliable execution, environmental safeguards, water management, financial viability, and sustained institutional support. With the right policy architecture, international collaboration, and technology strategy, India can build a globally competitive coal gasification ecosystem and move significantly closer toward long-term energy independence and industrial self-reliance.
(The writer is Chair, Environment & Climate Change Committee, PHDCCI and former Chairman, EAC – Ministry of Environment, Forest & Climate Change. He can be reached at jeewanprakashgupta @indrax.co.in)