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Techno-economic analysis and environmental benefits of solar industrial process heating based on parabolic trough collectors

Journal Article · · Sustainable Energy Technologies and Assessments
 [1];  [2];  [3];  [3]
  1. Univ. of Utah, Salt Lake City, UT (United States); OSTI
  2. University of Kashan (Iran)
  3. Univ. of Utah, Salt Lake City, UT (United States)

In this work, detailed techno-economic and environmental analyses are conducted for employing a 5 MWt parabolic trough-based solar industrial process heat (SIPH) plant in Salt Lake City, Utah. According to the results, an optimum solar multiple of 1.5 was determined, allowing the plant to generate annual thermal energy of 15389.24 MWth with a capacity factor of 35.1% and levelized cost of heat (LCOH) of $$\$$ 26.3$/MWth. Considering a 30% investment tax credit and a 30% reduction in the total installed cost could reduce the LCOH to $$\$$ 19.30$/MWth and $$\$$ 18.52$/MWth, respectively. Employing parabolic trough collectors could avoid emissions of 3,582,422.47 kg, 147.99 kg, 3,341.66 kg, and 14.32 kg for CO2, PM, NOx, and SO2, respectively per year compared to a natural gas-based plant. Further, it also caused an annual external cost savings of between $$\$$ 99,900$ and $$\$$ 357,004$. Including the external costs in the LCOH analysis shows that the SIPH plant is economically competitive with a natural gas-based plant, further demonstrating its value. A further comparison demonstrated the economic superiority of a parabolic trough-driven IPH plant over a photovoltaic-driven electric boiler plant. In summary, with reducing installed costs and providing incentives, parabolic trough-driven IPH plants will be an economically and environmentally viable option.

Research Organization:
Univ. of Utah, Salt Lake City, UT (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0007712
OSTI ID:
1977644
Alternate ID(s):
OSTI ID: 1804145
Journal Information:
Sustainable Energy Technologies and Assessments, Journal Name: Sustainable Energy Technologies and Assessments Journal Issue: C Vol. 47; ISSN 2213-1388
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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