Keystone Energy

Keystone Energy is an Indian waste-to-energy and torrefaction technology company operating through Keystone Energy Systems LLP and Keystone Green Energy Pvt. Ltd. It uses proprietary continuous torrefaction technology to convert waste into high calorific torrefied fuel and other products. The company has designed and deployed industrial-scale torrefaction plants and EPC projects for clients including NTPC and Delhi Jal Board.

Keystone Energy Systems LLP was founded in 2016 as an initiative to utilize novel solutions in the waste to energy industry. In 2016, the company developed its own waste to electricity gasification technology. In 2017, it secured a contract to build a gasification based 500 Tons Per Day Waste to Electricity plant in Srinagar. In 2021, Keystone Energy developed its own proprietary torrefaction technology. In 2022, it set up a 50 TPD STP Sludge to Charcoal Pilot Plant for Delhi Jal Board. In 2023, Keystone Energy applied for a patent for its proprietary torrefaction technology. In 2024, it set up a 100 Tons Per Day RDF to Torrefied Charcoal Plant in Warangal, Telangana, and secured a contract to build a 500 Tons Per Day MSW to Torrefied MSW Plant for NTPC Ltd. in Gorakhpur, Uttar Pradesh. In 2025, Keystone Green Energy Pvt. Ltd. secured a contract to build a 200 Tons Per Day Biomass to Torrefied Biomass Plant for TransPacific Engineers in Sangrur, Punjab.

1. 1Torrefaction Plant Manufacturer & EPC | Keystone Energykeystone-energy.in
2. 2About Keystone Energy | Torrefaction Since 2016keystone-energy.in
3. 3Keystone Energywikidata.org