Solar electric production systems with energy storage were simulated and compared, including an ammonia thermochemical cycle, compressed air energy storage (CAES), pumped hydroelectric energy storage (PHES), vanadium flow battery, and thermal energy storage (TES). All systems used the same parabolic concentrator to collect solar energy and Stirling engine to produce electricity. Efficiency and storage losses were modeled after existing experiments. At receiver and ammonia synthesis temperatures of 800 K, efficiencies of all systems except TES were initially similar at 17–19%, while TES provided ∼23%. Further, TES was most efficient for diurnal-scale storage. However, lower time-dependent storage losses caused the ammonia system to have the highest efficiency after one month of storage and to be increasingly favored as time of storage increased. Solar electric production with full capacity factor may be most efficient with a combination of systems including direct solar-electric production and systems with both diurnal and long-term storage.
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February 2015
Research-Article
Efficiency of Solar Electricity Production With Long-Term Storage
Mostafa Shakeri,
Mostafa Shakeri
1
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
e-mail: mostafa.shakeri@louisville.edu
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: mostafa.shakeri@louisville.edu
1Corresponding author.
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Maryam Soltanzadeh,
Maryam Soltanzadeh
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
Louisville, KY 40292
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
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R. Eric Berson,
R. Eric Berson
Bioreactor Laboratory,
Department of Chemical Engineering,
e-mail: eric.berson@louisville.edu
Department of Chemical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: eric.berson@louisville.edu
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M. Keith Sharp
M. Keith Sharp
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
e-mail: keith.sharp@louisville.edu
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: keith.sharp@louisville.edu
Search for other works by this author on:
Mostafa Shakeri
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
e-mail: mostafa.shakeri@louisville.edu
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: mostafa.shakeri@louisville.edu
Maryam Soltanzadeh
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
Louisville, KY 40292
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
R. Eric Berson
Bioreactor Laboratory,
Department of Chemical Engineering,
e-mail: eric.berson@louisville.edu
Department of Chemical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: eric.berson@louisville.edu
M. Keith Sharp
Renewable Energy Applications Laboratory,
Department of Mechanical Engineering,
e-mail: keith.sharp@louisville.edu
Department of Mechanical Engineering,
University of Louisville
,Louisville, KY 40292
e-mail: keith.sharp@louisville.edu
1Corresponding author.
Contributed by the Solar Energy Division of ASME for publication in the JOURNAL OF SOLAR ENERGY ENGINEERING: Including Wind Energy and Building Energy Conservation. Manuscript received July 10, 2012; final manuscript received May 13, 2014; published online August 25, 2014. Assoc. Editor: Nathan Siegel.
J. Sol. Energy Eng. Feb 2015, 137(1): 011007 (9 pages)
Published Online: August 25, 2014
Article history
Received:
July 10, 2012
Revision Received:
May 13, 2014
Citation
Shakeri, M., Soltanzadeh, M., Eric Berson, R., and Keith Sharp, M. (August 25, 2014). "Efficiency of Solar Electricity Production With Long-Term Storage." ASME. J. Sol. Energy Eng. February 2015; 137(1): 011007. https://doi.org/10.1115/1.4028140
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