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Solar Advisor Model for Concentrating Solar Power (CSP)

Solar Advisor Model for Concentrating Solar Power (CSP). Contents. This presentation is intended to follow the SAM introductory presentation. A separate presentation covers modeling concentrating solar power systems. Note that each of the following slides is annotated with presenter notes. 2.

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Solar Advisor Model for Concentrating Solar Power (CSP)

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  1. Solar Advisor Modelfor Concentrating Solar Power (CSP) NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy operated by the Alliance for Sustainable Energy, LLC

  2. Contents This presentation is intended to follow the SAM introductory presentation. A separate presentation covers modeling concentrating solar power systems. Note that each of the following slides is annotated with presenter notes.. 2 User Interface Overview Modeling CSP Systems

  3. Solar Advisor Model for CSP User Interface Overview 3

  4. Main Window 4

  5. Access to Input Pages • Navigation menu provides access to input pages. • Green button indicates active page. 5

  6. Access to Results • Summary displays the results page with Metrics table, sliders, and graphs. • Spreadsheet opens the results workbook in Excel. • Time Series Graphs opens the data viewer. 6

  7. Access to Results • Changing the value of one or more inputs causes the Run Analysis button to replace the results buttons. 7

  8. Cases • A file contains one or more cases. • Cases allow for comparison of projects with different system configurations. locations, financing structures, etc. • A case consists of a complete set of inputs and results. • Tabs provide access to cases. • The current case is indicated by a green tab. 8

  9. Input Variable Types • By default, all data fields are populated by sample data. • Type values into fields, or link to cells in an Excel spreadsheet. 9

  10. Linked Spreadsheet Excel SAM Inputs “SentTo” “CapturedFrom” 10

  11. Results Summary Page 11

  12. Results Spreadsheet • List of inputs • Cash flow detail • Hourly energy values • Monthly and annual averages 12

  13. Data Viewer • Graphical representation of hourly outputs • Statistical graphs 13

  14. Sliders 14

  15. Sliders 15

  16. Sensitivity Analysis • Assign multiple values to any input variable • Use graphs and sliders to view results 16

  17. Solar Advisor Model for CSP Modeling CSP Systems 17

  18. CSP Sample File 18

  19. CSP Trough Market Options 19

  20. Climate • Download an EPW file from the Energy Plus website (TMY3 files are available as EPW) • Choose a location from the list of built-in TMY2 files • Or, Convert a file to TMY2 using Meteonorm or other software (some conversion tools are available on the SAM Google Group) • Download a weather file in TMY2 format from the NREL Solar Prospector website (beta version) 20 20

  21. Financials • Choose market: Central or distributed • For distributed market, choose financing type: Cash, loan, or third-party financing • Enter parameters • Results displayed as metrics (LCOE, NPV, IRR, etc.) and annual cash flow summary and detail LCOE and other economic metrics are very sensitive to financial inputs! 21

  22. Incentives • Incentive Types • Investment tax credit • Production tax credit • Capacity-based incentive • Production-based incentive • Incentives from up to four sources • Federal government • State government • Utility • Other • Modify Tax Implications • Taxable incentives • Incentive impact on depreciation 22

  23. System 23 • Configuration • Parabolic trough • Dish-Stirling • Solar Field • Layout (size, number and arrangement of collectors, etc.) • Heat transfer fluid properties • Collector and Receiver • Dimensions and properties • Power Block / Engine • Capacity • Efficiency coefficients • Storage (trough only) • Capacity, heat loss parameters, dispatch • Parasitic Losses Libraries of default values facilitate selection of input values

  24. Costs • Module and inverter costs in $/W or $/unit. • Operation and maintenance (O&M) costs. • Fixed annual cost ($/yr) • Fixed per rated capacity ($/kW-dc) • Variable per total annual output ($/MWh-ac) • Default values are illustrative and not based on actual projects. • Actual costs depend on location, project type, market conditions • See SAM website for resources 24

  25. Questions? • Online Help and User Guide • Help menu and buttons • SAM Website • http://www.nrel.gov/analysis/sam • Google Groups • http://groups.google.com/group/sam-user-group • Email User Support • Solar_Advisor_Support@nrel.gov 25

  26. Thank You! 26 Solar_Advisor_Support@nrel.govhttp://www.nrel.gov/analysis/sam

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