Wind Cost Model based on ATB-Formatted Cost Data

Wind Cost Model based on ATB-Formatted Cost Data#

NREL's Annual Technology Baseline (ATB) is commonly referenced for technology costs such as overnight capital cost, fixed operations and maintenance costs, and capital expenditures. The atb_wind_cost cost model available in H2I that is intended to be easily used with cost values pulled from NREL's ATB Excel workbook.

Note

The Annual Technology Baseline (ATB) is updated annually. While we do our best to update our documentation regularly, be sure that you're using the most recent version of the ATB in case our links are pointing to an older version.

There are specific costs and performance specifications in the ATB for:

Example usage of this cost model in the tech_config.yaml file is shown in the first section below.

ATB Wind Cost Model#

The inputs for cost_parameters are capex_per_kW and opex_per_kW_per_year. From the ATB workbook, a value for capex_per_kW can be found on any of the wind-specific tabs in the Excel Workbook under the "Overnight Capital Cost" section or the "CAPEX" section. The values in the "CAPEX" section include overnight capital costs, construction finance factor, and grid connection costs. A value for opex_per_kW_per_year can be found on any of the wind-specific tabs in the Excel Workbook under the "Fixed Operation and Maintenance Expenses" section.

Here is an example of how to use the atb_wind_cost model in the tech_config.yaml file:

technologies:
  wind:
    performance_model:
      model: "pysam_wind_plant_performance"
    cost_model:
      model: "atb_wind_cost"
    model_inputs:
      shared_parameters:
        num_turbines: 20
        turbine_rating_kw: 6000
      performance_parameters:
        hub_height: 115
        rotor_diameter: 170
            ...
      cost_parameters:
          capex_per_kW: 1044
          opex_per_kW_per_year: 18
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