Abstract: . . .  "market-pull" concept evolved due to a lack of knowledge about the nature of the economics of actual photovoltaic applications. Now that this knowledge is growing, there is a need to understand the factors that influence the economics and to specify a uniform methodology to take these factors into account. There are at least three major requirements or features which this methodology must exhibit. These issues will be more fully elaborated in the course of the discussion later. First, there is a need . . .
. . .  can make these decisions in isolation since it is necessary to understand how alternative R&D budget allocations affect future technology development along many dimensions. The claim is made, however, that knowledge of at what point technologies reach economic "break-even" in the marketplace is a vital piece of the information that is needed. 23. National Bureau of Standards, U.S. Department of Commerce, Hourly Solar Radiation Data for Vertical and Horizontal Surfaces on Average Days in the United . . .
. . .  user, is determined by the utility rate structure and whatever the utility is willing to pay for surplus energy supplied by the owner to the grid. If the rate structure reflects the load demand on the utility (as under peak-load pricing), then this valuation explicitly values the "quality" component of the energy supplied by the device. Second, it is a figure defined in dollar units. This automatically adjusts for the scale of the device and allows direct comparison between two devices in the same . . .
. . .  Follow-on Project Under ERDA Contract E(11-1)-2744 "Conceptual Design and Systems Analysis of Photovoltaic Power Systems", 1977. 18. General Electric Co., op. cit., p. L-3. 19. ibid, p. 1-4. 20. For more detailed description of the total systems cost methodology, see reference 13, Appendix F. 21. General Electric Co., op. cit., p. M-6. 22. It must be emphasized that this index provides only a part of the information necessary to make R&D investment choices and decisions. No one measure can make these . . .
. . .  made, however, that knowledge of at what point technologies reach economic "break-even" in the marketplace is a vital piece of the information that is needed. 23. National Bureau of Standards, U.S. Department of Commerce, Hourly Solar Radiation Data for Vertical and Horizontal Surfaces on Average Days in the United States and Canada, Washington, D.C., April 1977. 24. City of Los Angeles, Department of Water and Power.  . . .
. . .  dimensions. The claim is made, however, that knowledge of at what point technologies reach economic "break-even" in the marketplace is a vital piece of the information that is needed. 23. National Bureau of Standards, U.S. Department of Commerce, Hourly Solar Radiation Data for Vertical and Horizontal Surfaces on Average Days in the United States and Canada, Washington, D.C., April 1977. 24. City of Los Angeles, Department of Water and Power.  . . .
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