Optimized dispatch in a first-principles concentrating solar power production model

Michael J. Wagner, Alexandra M. Newman, William T. Hamilton and Robert J. Braun

Applied Energy, 2017, vol. 203, issue C, 959-971

Abstract: Concentrating solar power towers, which include a steam-Rankine cycle with molten salt thermal energy storage, is an emerging technology whose maximum effectiveness relies on an optimal operational and dispatch policy. Given parameters such as start-up and shut-down penalties, expected electricity price profiles, solar availability, and system interoperability requirements, this paper seeks a profit-maximizing solution that determines start-up and shut-down times for the power cycle and solar receiver, and the times at which to dispatch stored and instantaneous quantities of energy over a 48-h horizon at hourly fidelity. The mixed-integer linear program (MIP) is subject to constraints including: (i) minimum and maximum rates of start-up and shut-down, (ii) energy balance, including energetic state of the system as a whole and its components, (iii) logical rules governing the operational modes of the power cycle and solar receiver, and (iv) operational consistency between time periods.

Keywords: Dispatch optimization; Grid integration; Concentrating Solar Power (CSP); Thermal energy storage; Mixed-integer linear programming; Systems analysis (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (25)

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DOI: 10.1016/j.apenergy.2017.06.072

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