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| Solar Energy Fact Sheets
Informative Fact Sheets
about Solar Energy
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Solar: Rapidly Growing Markets
Solar technologies are likely to follow similar market penetration commercialization
paths to that of other high technology products such as the fax machine, the
cellular telephone and the personal computer.
There are now more than 10,000 homes in the United States that are entirely
powered by solar energy.
Over 60% of solar
technology sales are exports.
Sales are primarily to developing countries, which comprise over one-third
of the earth's population.
| Solar energy is harnessed in many ways. Photovoltaics (PV)
converts sunlight directly to electricity and are used to power everything
from roadside phones to suburban homes. Solar energy is used to heat pools
and to produce hot water, saving consumers millions of dollars annually.
Large scale solar thermal power plants generate enough clean electricity
to power thousands of homes day and night. |
Photovoltaic (PV) Technology
Worldwide sales of photovoltaic products totaled over 90 megawatts in 1996,
up 14% from 1995. US firms have a 43% share of this $1 billion global market.
The annual US Market for PV on buildings could top $2.5 billion in the next
10 years with Japanese and European markets having similar potential.
The potential U.S. market for photovoltaics is nearly 9,000 megawatts. At
a low estimate of $3 per watt, this translates into a $27 billion market in
the US alone.
The fastest growing markets for photovoltaic systems include the utility,
rural electrification, telecommunications, and military sectors. These market
sectors are expected to require more than 1,200 megawatts of PV by the year
2000.
Solar
Thermal Energy
The U.S. spends more than $13 billion-a-year on energy for home water heating.
That is the equivalent of 11.4 barrels of oil per household, more than the
amount of oil (in the form of gasoline) burned by a medium-sized automobile
driven 12,000 miles.
There are more than one million solar hot water heating installations in
the U.S.
More than 300,000 solar pool heating systems have been installed in the
United States, providing efficient heating to residential and commercial swimming
pools around the country.
Over 700 megawatts of solar
thermal electric systems should be deployed by the year 2003 in the U.S.
and internationally. The market for these systems should exceed 5,000 megawatts
by 2010, enough to serve the residential needs of 7 million people (or a state
larger than Georgia) which will save the energy equivalent of 46 million barrels
of oil per year.
Solar Pool Heating System Shipments
| Year |
Pool shipments
(in thousand square feet) |
| 1987 |
3157 |
| 1988 |
3326 |
| 1989 |
4283 |
| 1990 |
3645 |
| 1991 |
5585 |
| 1992 |
6187 |
| 1993 |
6025 |
| 1994 |
6823 |
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