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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

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

contents
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

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

5

access to results
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

access to results7
Access to Results
  • Changing the value of one or more inputs causes the Run Analysis button to replace the results buttons.

7

cases
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

input variable types
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

linked spreadsheet
Linked Spreadsheet

Excel

SAM Inputs

“SentTo”

“CapturedFrom”

10

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

12

data viewer
Data Viewer
  • Graphical representation of hourly outputs
  • Statistical graphs

13

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

16

climate
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

financials
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

incentives
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

system
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

costs
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

questions
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

thank you
Thank You!

26

Solar_Advisor_Support@nrel.govhttp://www.nrel.gov/analysis/sam