Renewable Energy
  • Designed and engineered over 850 MW of biomass based power plants and co-generation projects; and more than 40 MW solid waste-to-energy projects
  • Due diligence & project development for 250 MW of hydropower
  • Provided feasibility solution of over 20 MW of solar PV power generation in various industries/buildings
  • 400,000 LPD solar water heating in industrial processes; Solar PV generation
Renewable Energy

DESL is actively involved in providing both consulting and engineering services for development of renewable energy projects including biomass, waste-to-energy, solar and small hydro projects. DESL has contributed to development of over 850 MW of power projects based on different renewable energy resources globally. Development of biomass energy systems comprises a major share of DESL's renewable energy portfolio.


The services provided by DESL are categorized as follows:


 A) Biomass: Project development and Feasibility studies include

  • Biomass resource assessment studies
  • Techno-economic feasibility studies
  • Optimal selection of plant generation capacity considering long term sustainability
  • Efficient and reliable plant configuration
  • Integration and tie-in with existing process in case of captive and co-generation plants
  • Realistic project costing
  • Policy & regulatory support
  • Preparation of detailed project report


Some of the significant achievements include:

  • Development and deployment of innovative methodology for resource assessment of agro-residues for MNRE, Government of India; Rajasthan Renewable Energy Corporation and DfID, UK High Commission, India
  • Commissioning of 12 MW straw fired power plant at Patiala, Punjab, 1st of its kind in the world
  • Re-commissioning of 10 MW paddy straw fired Jhalkheri power plant in Punjab
  • Successful development of 8 MW mustard residue fired power plant (2nd such project in India)
  • Development of the highest rated bagasse cogeneration plant (4x30 MW rated at 105 bar pressure, 540oC temperature) in India
  • Development of world's largest single site co-generation plant (105 MW in Sudan)


B) Waste To Energy

  • Project development
  • Feasibility studies
  • Project engineering and management services for waste to energy power plants similar to biomass based power plants.


C) Hydro Power

DESL has carried out a number of feasibility studies for development of small hydro power plants in India, China, Tajikistan and Nepal. DESL has also been involved as lenders engineers in successful development of two hydro projects in China.


D) Solar
Feasibility studies for

  • Application of solar thermal technologies for industries process heating applications
  • Solar photovoltaic based power generation


E) Wind

DESL has carried out technical evaluation studies for assessment of feasibility of investment in wind energy based power generation.


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