Power-to-heat in CSP systems for capacity expansion | Zendy

Stefano Giuliano | Zendy; Michael Puppe | Zendy; Kareem Noureldin | Zendy

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Power-to-heat in CSP systems for capacity expansion

Author(s) -

Stefano Giuliano,

Michael Puppe,

Kareem Noureldin

Publication year - 2019

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.5117589

Subject(s) - cost of electricity by source , thermal energy storage , electricity , electricity system , process engineering , electricity generation , electric power system , cogeneration , stand alone power system , concentrated solar power , thermal power station , environmental science , power (physics) , computer science , solar energy , engineering , renewable energy , waste management , electrical engineering , distributed generation , ecology , quantum mechanics , biology , physics

The objective of this paper is the evaluation of trends when a power-to-heat system with electrical heaters is integrated to a molten salt solar tower to additionally charge the thermal energy storage system and to expand the capacity of the CSP plant. Therefore a techno-economic analysis was carried out considering several economical and technical boundary conditions. The results show a significant impact on the availability of excess electricity and its cost. Depending on system layout and the cost of the used electricity the overall LCOE of such plants can be reduced by up to 25%. Therefore such power-to-heat systems can offer an economic and strategic benefit to solar thermal power plants.

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