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Utilizing the Energy Resource Potential of DOE Lands (2017) / Chapter Skim
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Appendix C Description of NREL Model
Pages 42-45

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From page 42...
... resource data, technology cost curves, and technology performance equations. According to NREL, "REopt is an energy planning platform offering multiple technology integration and optimization capabilities to help clients meet their cost savings and energy performance goals."1 As inputs, REOpt uses location of sites, land availability, and utility usage.
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From page 43...
... Other Photovoltaics: ITC, SREC 30% ITC 10% ITC No ITC Wind: PTC 2014 PTC No PTC No PTC Biomass: Feedstock cost −20% Varies, see Appendix C +20% Waste to energy: Tipping fee −20% Varies, see Appendix C +20% Landfill gas: Fuel cost −20% Varies, see Appendix C +20% NOTE: ITC, investment tax credit; LCOE, levelized cost of electricity; PTC, production tax credit; SREC, solar renewable energy credit. REFERENCE Kandt, A., E
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From page 44...
... turndown ratio 40% >713 kW, <6.67 MW: $0.82/W-yr Fuel heat content 9.2 mmBtu/ton >6.67 MW: $0.15/W-yr O&M cost: Landfill gas Internal combustion Electrical efficiency 33% Gas cost: $1/mmBtu engine that generates Availability 85% Piping cost: $346,200 electricity only Assumed efficiency of 80% existing heating system Marginal installation cost: 0-110 kW: $5.65/W Min. turndown ratio 30% >110 kW but <3 MW: $2.56 Fuel heat content 10.6 mmBtu/ton >3 MW: $2.41/W Max.
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From page 45...
... . TABLE C-3 Representative Turbines Used in NREL's Analysis of Wind Power Size Small Medium Large Nameplate 10 kW 100 kW 3,000 kW 2,000 kW 1,800 kW IEC class (average wind velocity)
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Key Terms

  • marginal installation
  • energy laboratory
  • national renewable
  • energy performance
  • electrical efficiency

  • energy planning
  • sensitivity analysis
  • solar power
  • landfill gas
  • tax credit

  • generates electricity
  • energy optimization
  • wind power
  • levelized cost
  • condensing turbine

  • electricity availability
  • power size
  • internal combustion
  • average wind
  • cost calculation

  • production tax
  • makes estimates
  • million british
  • technology cost
  • incentives assumptions

  • help clients
  • gas internal
  • cost curves
  • investment tax
  • estimate generation


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