2024-08-10-科尔尼-riding_the_wave_to_net_zero_-_Kearney_11页_370kb

Compressed Biogas (CBG) in India's Net-Zero Pathway

India's transition to compressed biogas (CBG) is critical for decarbonization, particularly in hard-to-abate sectors like manufacturing and energy. CBG, derived from bio-resources, is poised to grow significantly over the next decade, contributing up to 20-30% of emissions abatement. Projects like the SATAT scheme and aggressive CGD network development support this growth.

Key Opportunities

• Potential Feedstock: India has abundant bio-waste, including agricultural residue, municipal solid waste (MSW), press mud, and animal manure, enabling the production of 60-65 million metric tons of CBG annually at peak capacity.
• Market Growth: CBG production is projected to increase from under 1 billion cubic meters today to about 20 billion cubic meters by 2040. India's CBG market could reach $15 billion, with investments exceeding $35 billion, driven by policy mandates, rising demand, and ecosystem maturity.
• Decarbonization Role: CBG can help achieve carbon neutrality by replacing fossil fuels and integrating with green hydrogen production, with potential to cover hard-to-abate sector emissions.

Major Challenges

• Limited Infrastructure: Fewer than 50 CBG plants exist, far below the goal of 5,000, due to feedstock variability, high capex (e.g., land, machinery, technology licensing), and operational difficulties like waste segregation and storage.
• Economic Issues: Business cases are often unviable due to low revenue models, high feedstock costs, and policy uncertainties, with limited monetization from bio-manure or carbon credits.
• Operational Hurdles: Challenges include localized feedstock sourcing, high labor intensity, lack of gas offtake infrastructure, and scalability constraints, limiting widespread adoption.

Strategies for Enhancement

• Business Case Optimization: Leverage six value enhancement levers, such as monetizing bio-manure (e.g., through MDA schemes), carbon credits, and removing intermediaries, to boost ROI by 7-9%.
• Policy Advocacy: Support open-access policies for grid injection, subsidies (e.g., MNRE and UP state incentives), and mandatory blending in CGD networks to attract investments and create demand.
• Partnerships and Localization: Engage in long-term feedstock contracts, farmers' collaborations, and modular plant designs to ensure hyperlocal operations within 100 km radii, improving economics and circularity.
• Ecosystem Development: Multi-feedstock models and collaborations with private players (e.g., NEPs and tech firms) can address feedstock and market gaps, fostering innovation and scalability.

Future Outlook

CBG is at a pivotal inflection point, similar to bioethanol a decade ago. By 2040, India could see exponential growth in CBG plants and market size, driven by trends like maturing policy frameworks, corporate investments, and circular economy initiatives. Businesses can position CBG as a core part of their decarbonization strategy.

This summary highlights CBG's potential as a key energy source, but its success depends on addressing current challenges through integrated policy, technological, and business-model innovations.