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Power - Reciprocating engine - 6,000 kW - Landfill gas

Template assignment

Base case
  • Central grid connection
Proposed case
  • 6 MW reciprocating engine power plant is to be fuelled by gas from a nearby landfill
  • Estimated cost of installation is about $3,000/kW
  • Electricity can be sold to grid for $0.10/kWh
  • The landfill was opened in 1970 and is expected to be used for 60 years
  • Wastes are moderately decomposable, site precipitation is about 750 mm/yr
  • Waste disposal at the landfill was initially 100,000 t/yr and is expected to reach 300,000 t/yr during the final year of use
  • Intervening years saw following waste disposal:

  • Estimated 10% inert materials in waste
  • Landfill gas will start to be used in 2010, project life is 25 years
  • Operating costs are about $750,000 per year
Solution

The worked-out solution is the data file selected from within the RETScreen Project Database. The user automatically downloads the Project Database file while downloading the RETScreen software.