The city gas distribution (CGD) sector is undergoing a critical phase of transformation, driven by policy ambition, expanding infrastructure and the broader energy transition agenda. The parallel development of compressed natural gas (CNG) and piped natural gas (PNG) infrastructure reflects a strategic shift towards cleaner, more efficient and domestically resilient energy systems. However, despite substantial progress in network expansion and regulatory coverage, the sector continues to face complex challenges related to infrastructure scalability, market adoption, operational efficiency and emerging competition.
Dynamic ecosystem driving CNG expansion
The expansion of CNG infrastructure in India has advanced considerably under the CGD framework, particularly following multiple bidding rounds conducted by the Petroleum and Natural Gas Regulatory Board. A total of 307 geographical areas (GAs) have been authorised, covering approximately 98 per cent of the population and nearly the entire national territory. Despite this extensive allocation, the pace of CNG infrastructure development remains uneven due to persistent structural and operational constraints.
A key limitation is the low availability and accessibility of CNG stations. Although CGD entities are responsible for infrastructure development within their allocated regions, initial expansion is largely dependent on existing oil marketing company (OMC) retail outlets. These outlets typically have limited spatial capacity, restricting the installation and scalability of CNG dispensing units. Furthermore, CNG facilities are often located in less visible sections of these outlets, reducing consumer awareness and affecting demand generation.
The absence of a robust regulatory framework mandating fuel transition also constrains market development. In regions where regulatory interventions have been implemented, such as Delhi, CNG adoption has been gradual but steady, reaching significant market share over a prolonged period. However, in newly authorised areas, the lack of similar mandates results in slower customer conversion rates. This is further exacerbated by limited consumer awareness and the perceived inconvenience associated with vehicle conversion.
The geographical expansion of CGD networks into large districts has transformed the operational model from city-based systems to district-level distribution networks. This shift introduces challenges related to infrastructure viability, particularly in regions with low population density or limited industrial activity. In such areas, demand aggregation is slow, making it difficult to achieve the scale required for economically sustainable operations.
Land availability and cost represent another major barrier to infrastructure expansion. Earlier, CGD entities benefited from government-supported land allocation, enabling the development of dedicated CNG stations. In contrast, newer entrants face significant challenges in acquiring suitable land parcels at strategic locations. Industry assessments suggest that exclusive CNG stations demonstrate higher throughput compared to co-located OMC outlets, indicating the importance of dedicated infrastructure. However, high capital costs and regulatory constraints limit their widespread development.
Pricing dynamics also play a critical role in influencing consumer behaviour. The reduced price differential between CNG and conventional fuels, particularly diesel, weakens the economic incentive for fuel switching. Historically, substantial cost advantages facilitated large-scale adoption among commercial vehicle segments. In the current scenario, the absence of such differentials necessitates targeted pricing strategies and incentives to encourage conversion, especially among high-consumption users such as freight and public transport operators.
In addition to market-related challenges, the sector faces increasing competition from alternative energy solutions, particularly electric vehicles (EVs). Policy support, technological advancements and declining costs in the EV ecosystem are enhancing their attractiveness as a long-term mobility option. This trend introduces uncertainty in future CNG demand, requiring CGD entities to adopt adaptive and forward-looking strategies.
Operational inefficiencies further affect the performance of CGD networks. A significant concern is the presence of unaccounted-for gas, with losses reported in the range of 3-8 per cent. These losses arise from leakages, metering inaccuracies and system inefficiencies, directly impacting profitability. The adoption of advanced technologies such as supervisory control and data acquisition (SCADA) systems, geographic information system (GIS) and internet of things (IoT)-based monitoring can enhance operational efficiency and reduce such losses. However, the level of technological integration varies across companies.
Infrastructure reliability is another critical factor influencing consumer confidence. Frequent disruptions due to third-party pipeline damage, particularly during road excavation activities, highlight the need for better coordination mechanisms. The integration of digital mapping systems and centralised infrastructure planning platforms can improve visibility and reduce such risks. Additionally, network redundancy through pipeline looping is essential to ensure an uninterrupted gas supply.
Human resource constraints also pose challenges to the sector’s expansion. The rapid growth of CNG infrastructure requires a skilled workforce capable of managing high-pressure systems and ensuring safety compliance. However, there is a shortage of trained personnel, particularly in emerging markets. This necessitates investment in workforce development and increased reliance on automation technologies.
Finally, service-related factors such as refuelling time and queueing at stations affect user experience. Compared to conventional fuels, CNG refuelling requires longer durations, leading to congestion at high-demand locations. Addressing these issues through improved station design, fast-filling technologies and demand management strategies is essential to enhance customer satisfaction.
Potential path and challenges in PNG infra development
The rising attention on PNG infrastructure development reflects both the rapid expansion of the CGD ecosystem and the intensifying need to address last-mile and operational challenges. At a macro level, the PNG segment has witnessed significant expansion in recent years, supported by policy reforms and infrastructure investments. However, despite the progress, there remains a substantial gap between infrastructure availability and actual consumer adoption. While pipeline networks have expanded considerably, a large number of households with access to PNG connectivity have not transitioned from alternative fuels. This indicates that infrastructure creation alone is insufficient, and targeted policy measures are required to drive end-user conversion.
A major constraint in PNG infrastructure development continues to be the complexity of obtaining trenching and pipeline-laying permissions. Urban environments, particularly dense metropolitan regions such as Mumbai, present acute challenges due to restricted construction windows, extensive road concretisation and high restoration charges. In certain cases, road restoration costs are disproportionately high, significantly affecting project viability and extending cost recovery periods. Additionally, the absence of uniform policies across jurisdictions and the lack of a single-window clearance mechanism further delay execution timelines.
Right-of-way limitations and the absence of dedicated utility corridors exacerbate these challenges. Pipeline installation often requires navigating congested underground utility networks, including water pipelines, electrical cables and telecommunications infrastructure, many of which are not accurately mapped. This leads to operational risks, including third-party damage, service disruptions and safety hazards. In high-density urban areas, continuous excavation by multiple agencies without coordinated planning increases the likelihood of such incidents.
Another key challenge lies in securing approvals at the community or society level for domestic PNG connections. Even where pipeline infrastructure is available, delays in obtaining consent from residential societies hinder customer onboarding. Historically, the absence of a strong regulatory push for PNG adoption has contributed to slower conversion rates, particularly in comparison to mandated transitions observed in select markets.
Recent policy interventions have significantly altered this landscape. Government-issued notifications mandating the transition from liquefied petroleum gas (LPG) to PNG in areas where pipeline connectivity is available have accelerated demand. These measures include provisions for deemed approvals, time-bound clearances and restrictions on continued LPG usage in PNG-connected buildings. Such regulatory support has led to a surge in connection requests across CGD networks, indicating the effectiveness of policy-driven demand creation.
However, this rapid increase in demand has introduced new operational challenges. One of the most immediate concerns is the availability of skilled workforce and contractors required for large-scale connection roll-out. The sudden escalation in connection targets has created a mismatch between demand for labour and its availability. Additionally, supply chain constraints have emerged, particularly in the procurement of essential materials such as pipes, fittings and meters. These challenges are further intensified by external factors affecting manufacturing and logistics, leading to delays in project execution.
Cost considerations also play a critical role in infrastructure deployment. While technological advancements such as smart metering offer operational benefits, their higher costs pose challenges in a sector where cost recovery mechanisms are limited. Balancing technological adoption with economic feasibility remains a key concern for CGD operators.
In response to these challenges, CGD entities such as Mahanagar Gas Limited (MGL) are increasingly leveraging advanced technologies to enhance operational efficiency and infrastructure management. The establishment of integrated command and control centres, integrating SCADA and GIS, enables real-time monitoring of pipeline networks, pressure levels and asset performance. These systems support proactive decision-making, rapid incident response and improved network reliability. Advanced leak detection technologies, including high-precision methane analysers, further strengthen safety and maintenance capabilities.
Digitalisation is also transforming customer engagement and service delivery. Customer relationship management platforms, mobile applications and multi-channel support systems are being deployed to streamline interactions and improve user experience. Automated systems for work permits, incident reporting and operational tracking enhance transparency and efficiency across the value chain.
Looking ahead, the future of PNG infrastructure is closely linked to the integration of emerging energy solutions. MGL is actively exploring hydrogen blending in PNG networks through pilot projects, including both network-level and end-use applications. These initiatives aim to evaluate the technical feasibility, safety considerations and economic viability of hydrogen integration, contributing to the development of national standards and policies. Similarly, the potential for compressed biogas (CBG) blending is being explored as part of a broader strategy to diversify the gas supply mix and enhance sustainability.
The expansion of the national gas grid further supports PNG infrastructure growth by improving connectivity to previously underserved regions. Ongoing pipeline projects and capacity enhancements are facilitating the extension of CGD networks into new demand clusters, thereby strengthening the overall ecosystem and moving towards the objective of a unified gas grid.
Anticipated future growth and requisites
The evolving priority of India’s CGD segment is focusing on CNG and PNG infrastructure development and strong future growth. With strong policy backing and increasing emphasis on a cleaner energy transition, PNG infrastructure is positioned as a critical component in achieving the government’s target of raising the share of natural gas in the primary energy mix from approximately 6 per cent to 15 per cent. This ambition is supported by a projected investment of nearly Rs 1,200 billion in CGD infrastructure over the next decade and an expected compound annual growth rate of around 19 per cent, indicating a phase of accelerated expansion.
The current scale of infrastructure development demonstrates substantial progress. The CGD network now extends across hundreds of GAs, supported by an extensive pipeline network of around 300,000 inch-km. National targets further aim to expand PNG connections to over 120 million households by 2034, alongside the parallel development of over 18,000 CNG stations. This integrated growth strategy underscores the importance of PNG in providing reliable, clean and scalable energy access across urban as well as emerging semi-urban and rural markets.
However, infrastructure expansion continues to face critical constraints that directly impact growth outcomes. One of the most significant challenges is the lack of universal connectivity to the national gas grid. A considerable number of authorised GAs remain either partially connected or dependent on virtual pipeline solutions such as tanker-based supply systems. In several cases, complete disconnection from the grid persists, delaying network commissioning and limiting supply reliability. Addressing these connectivity gaps is essential for ensuring uniform infrastructure development across regions.
Right-of-use issues remain a major impediment to pipeline expansion. The requirement to obtain multiple approvals from various agencies, including municipal bodies, highways authorities and railways, results in procedural delays and increased project costs. The absence of a streamlined, single-window clearance mechanism further complicates execution, highlighting the need for institutional reforms to improve the ease of doing business in the sector. Similarly, land acquisition for key infrastructure components such as city gate stations and district regulating stations continues to pose challenges, particularly in densely populated or administratively complex regions.
From a financial perspective, the viability of PNG infrastructure is closely linked to demand density. While high-demand urban clusters support faster returns on investment, low-demand or geographically dispersed areas create economic constraints for CGD operators. The expansion into such regions, though essential for universal access, requires careful planning and innovative delivery models to balance commercial sustainability with policy objectives.
In this context, technology emerges as a central enabler of both infrastructure development and operational efficiency. A higher adoption of advanced systems such as SCADA and GIS will further enable real-time monitoring and centralised control of pipeline networks. These technologies support functions such as pressure management, leak detection and remote operations, thereby enhancing system reliability and safety. More robust integration with IoT-based sensors and analytics platforms will facilitate predictive maintenance, allowing operators to identify potential failures and optimise asset performance.
Operational excellence is increasingly becoming the defining factor in the next phase of CGD growth. Infrastructure strengthening measures include ensuring adequate pipeline pressure, augmenting compression capacity at high-demand locations, and developing online and daughter booster stations in demand-rich areas. Additional dispensing units at high-throughput stations and preventive maintenance practices are being implemented to reduce downtime and improve service continuity. Supply chain optimisation, including improved cascade logistics and coordination between mother and daughter stations, further contributes to efficient network operations.
Customer-centric innovations are also gaining importance in the PNG ecosystem. Digital platforms enabling automated billing, smart metering and real-time consumption tracking are enhancing transparency and user engagement. The development of customer dashboards, QR-based payment systems, and self-service interfaces reflects a shift towards improved service delivery and consumer experience. These measures are critical in building customer confidence and accelerating adoption.
In parallel, data-driven decision-making is being institutionalised across CGD operations. GA-wise and station-wise performance monitoring, supported by analytics dashboards, allows operators to identify inefficiencies and implement corrective measures. This transition signifies a shift from a licensing-driven growth model to one focused on operational performance and efficiency.
The sector is also exploring new growth pathways through the integration of alternative energy solutions. Initiatives such as CBG integration, liquefied CNG infrastructure and pilot projects in green hydrogen blending are being pursued to enhance sustainability and diversify the energy mix. These developments align with broader decarbonisation goals and position PNG infrastructure as a flexible and future-ready energy system.
In sum
Overall, the trajectory of CNG and PNG infrastructure in India indicates strong long-term potential, but also underscores the need for a transition from expansion-led growth to efficiency-driven consolidation. Addressing structural bottlenecks such as land access, regulatory fragmentation, grid connectivity and workforce constraints will be essential to unlock scale benefits. Simultaneously, the integration of advanced technologies, data-driven operations and alternative fuels such as hydrogen and biogas will define the next phase of sectoral evolution. Ultimately, the sustainability and competitiveness of the CGD ecosystem will depend on its ability to balance economic viability with policy objectives, while adapting to a rapidly changing energy landscape.
Based on inputs from presentations by Bharat Petroleum Corporation Limited, Mahanagar Gas Limited and Hindustan Petroleum Corporation Limited at a recent India Infrastructure conference.
