Solar energy is a source of energy, which originates from the sun. Out

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Solar energy is a source of energy, which originates from the sun.Out of the total energy in the world, 1% of it is produced from thesun (U.S. Department of Energy). Solar energy efficiency can beenhanced: Conversion of solar energy into electricity is possiblewith a efficiency of 10% to 20% (U.S. Department of Energy). The keywords used to obtain the data include renewable energy sources, costand sustainable energy sources.

For competitiveness of economic value of solar energy and lowermanufacturing costs, efficiency improvement is very crucial. Toreduce the costs of fabrication and infrastructure, use of newmaterials on solar cells is critical this is referred to as materialpurity. Titanium dioxide molecules and dye molecules can be combinedto collect electric charges. Increasing the competitiveness ofsystems requires efficiency improvements. There is a need to storesolar energy for use in emergency cases, that is, on a cloudyweather. Solar energy be stored to be used in pumping water. Storageof solar energy can also help a great deal in capacitorseffectiveness.

There is a need for awareness programs so that many people canembrace and invest in solar energy, which is now considered as themost environment friendly source of energy. With the way technologyis improving, the world needs a safe, reliable, cheap and environmentfriendly energy to propel us to the future. Solar energy is providinga solution to energy and a hope for sustainable energy in the globe.

ENERGY SOURCE FOR ELECTRICITY

% OF TOTAL

ENERGY output

quantity needed

cost estimate

HYDROELECTRIC

7

6

6

140

NUCLEAR

17

19

18

340

BIOMASS

1

3

14

125

SOLAR

2

6

21

250

WIND

3

12

24

420

Total

30

46

83

1275

Works Cited

DOE (U.S. Department of Energy).&nbsp&nbspSolar America Initiative:A Plan for the Integrated Research, Development, and MarketTransformation of Solar Energy Technologies. Office of EnergyEfficiency and Renewable Energy Solar Energy Technologies Program.&nbspWashington, D.C. 2007. Print

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