Petronet LNG, Gruner form 50:50 JV to set up 10 compressed biogas plants at Rs 1,200 crore

New Delhi: Petronet LNG and Gruner Renewable Energy have formed a 50:50 joint venture to develop 10 compressed biogas (CBG) plants across India, with a proposed investment of approximately Rs 1,200 crore, as the companies seek to establish a large-scale renewable gas business.

The proposed facilities will each have a designed production capacity of 18 metric tonnes per day, taking the combined capacity to around 180 metric tonnes per day.

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The partnership marks Petronet LNG’s diversification beyond its established liquefied natural gas (LNG) infrastructure business into renewable gas production, an emerging segment that could help India reduce its dependence on imported fossil fuels.

JV to integrate entire CBG value chain

According to a company statement, the joint venture will follow an integrated business model covering feedstock procurement, engineering, procurement and construction (EPC), plant operations and maintenance, and offtake of organic manure generated during biogas production.

The companies described the arrangement as a first-of-its-kind model in India, with the joint venture partner assuming responsibility for several critical stages of the CBG value chain.

The approach is intended to address some of the industry’s persistent challenges, particularly securing reliable agricultural and organic waste supplies, maintaining plant utilisation and developing markets for by-products.

However, the commercial viability of such integration will depend on effective execution and the availability of feedstock at competitive prices.

Average investment of Rs 120 crore per plant

The proposed investment of Rs 1,200 crore translates into an average expenditure of approximately Rs 120 crore for each CBG facility.

Actual project costs could vary depending on location, land availability, feedstock composition, transportation requirements and technology.

Unlike standalone CBG projects, the joint venture plans to develop a portfolio of plants, potentially allowing the partners to achieve economies of scale in procurement, financing and operations.

The companies have not specified the locations of the proposed facilities, their commissioning timelines or the funding structure for the investment.

Petronet LNG diversifies into renewable gas

For Petronet LNG, the partnership offers an opportunity to expand its presence in India’s evolving gas market by adding renewable fuel production to its existing LNG infrastructure operations.

The company brings experience in large-scale energy infrastructure, gas markets and project development, while Gruner Renewable Energy contributes expertise in CBG technology, feedstock mobilisation, engineering and plant management.

Petronet LNG’s institutional standing could also help the venture secure financing and develop commercial relationships with industrial and other potential gas consumers.

For Gruner, the partnership provides an opportunity to move beyond individual project development towards a larger renewable gas platform backed by an established energy infrastructure company.

CBG offers alternative to fossil-based natural gas

Compressed biogas, produced by processing agricultural residues, animal waste and other organic materials, can serve as a renewable alternative to conventional natural gas in transport, industrial and commercial applications.

Its wider adoption could contribute to India’s clean-energy transition while creating additional income opportunities in rural areas through agricultural waste collection and processing.

The production process also generates organic manure, which can provide an additional revenue stream if reliable markets are established.

However, the economics of CBG production remain sensitive to feedstock availability, collection costs, transportation distances, plant efficiency and assured demand for the finished gas.

Commercial viability remains key challenge

The Petronet-Gruner partnership represents an attempt to bring greater scale and institutional investment into India’s CBG industry, which has faced challenges in moving from project announcements to sustained commercial operations.

While the proposed 180-tonne-per-day capacity is significant, actual output will depend on timely commissioning, consistent feedstock supplies and efficient plant operations.

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The companies will also need to secure dependable CBG offtake arrangements and manage financing and operating costs to make the facilities commercially sustainable.

The real test for the Rs 1,200-crore venture will be whether its integrated business model can deliver reliable renewable gas production at competitive costs, rather than merely adding to the growing pipeline of announced CBG projects.

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