The Impact of Different Economic Performance Metrics on the Perceived Value of Solar Photovoltaics The Impact of Different Economic Performance Metrics on the Perceived Value of Solar Photovoltaics

  • Drury E
  • Denholm P
  • Margolis R
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Abstract

Photovoltaic (PV) systems are installed by several types of market participants, ranging from residential customers to large-scale project developers and utilities. Each type of market participant frequently uses a different economic performance metric to characterize PV value because they are looking for different types of returns from a PV investment. This report finds that different economic performance metrics frequently show different price thresholds for when a PV investment becomes profitable or attractive. Several project parameters, such as financing terms, can have a significant impact on some metrics [e.g., internal rate of return (IRR), net present value (NPV), and benefit-to-cost (B/C) ratio] while having a minimal impact on other metrics (e.g., simple payback time). As such, the choice of economic performance metric by different customer types can significantly shape each customer’s perception of PV investment value and ultimately their adoption decision.

Author-supplied keywords

  • LCOE
  • NREL/TP-6A20-52197
  • October 2011
  • PV
  • economic performance
  • energy
  • incentives
  • internal rate of return
  • levelized cost of energy
  • monthly bill savings
  • net present value
  • payback
  • photovoltaic

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Authors

  • Easan Drury

  • Paul Denholm

  • Robert Margolis

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