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Photovoltaics: Unlimited Electrical Energy from the Sun

SEP 01, 1993
Bulk electrical power generation using the available solar energy of a kilowatt per square meter will occur when photovoltaic cells decline in price below 10 cents per kilowatt‐hour.

DOI: 10.1063/1.881362

Jack L. Stone

The first practical solar cell was developed at Bell Laboratories in 1954. With the advent of the space program, photovoltaic cells made from semiconductor‐grade silicon quickly became the power source of choice for use on satellites. The systems were very reliable, and cost was of little concern. In the early 1970s, the disruption of oil supplies to the industrialized world led to serious consideration of photovoltaics as a terrestrial power source. This application focused research attention on improving performance, lowering costs and increasing reliability. These three issues remain important today even though researchers have made extraordinary progress over the years. This article details that progress.

References

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    US Patent 2 780 765, 5 February 1957.

  2. 2. M. A. Green, Solar Cells—Operating Principles, Technology, and System Applications, Prentice‐Hall, Englewood Cliffs, N.J. (1982).

  3. 3. A. F. Fahrenbruch, R. H. Bube, Fundamentals of Solar Cells—Photovoltaic Energy Conversion, Academic, New York (1983).

  4. 4. K. Zweibel, Harnessing Solar Power—the Photovoltaic Challenge, Plenum, New York (1990).

  5. 5. H. J. Hovel, Semiconductors and Semimetals, Vol. 11: Solar Cells, Academic, New York (1975).

  6. 6. Proc. 22nd IEEE Photovoltaic Specialists Conf., IEEE, New York (1991).
    B. K. Das, S. N. Singh, eds., Proc. 7th Int. Photovoltaic Science and Engineering Conf., Oxford & IBH Publishing Co., New Delhi (1992).
    A. Luque, G. Sala, W. Palz, G. Dos Santos, P. Helm, eds., Proc. 10th EC Photovoltaic Solar Energy Conf., Kluwer, Dordrecht, The Netherlands (1991).

  7. 7. Natl. Renewable Energy Lab., Photovoltaics Program Plan FY 1991‐FY 1995, Natl. Photovoltaics Program, US Dept. of Energy, Washington, D.C. (October 1991).

More about the Authors

Jack L. Stone. National Renewable Energy Laboratory, Golden, Colorado.

This Content Appeared In
pt-cover_1993_09.jpeg

Volume 46, Number 9

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