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Concentrating solar power for less than USD 0.07 per kWh: finally the breakthrough?

Liliestam, Johan and Pitz-Paal, Robert (2018) Concentrating solar power for less than USD 0.07 per kWh: finally the breakthrough? Renewable Energy Focus, 26, pp. 17-21. Elsevier. DOI: https://doi.org/10.1016/j.ref.2018.06.002 ISSN 1878-0229

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Abstract

The cheap power purchase agreements (PPAs) for two recent concentrating solar power (CSP) projects in Australia (Aurora) and Dubai (DEWA IV) raise questions of how such low costs can be achieved, and whether this could mark the commercial breakthrough of this technology. Here, we investigate these projects with the information available, and seek reasons for the low PPAs. Both projects have low technology costs – which are prerequisites but insufficient as explanations for the low bids. For Aurora, a key explanation is its business model that allows it to sell power outside the PPA, during high-price times when the sun sets and the growing PV fleet goes offline, revealing the market value of CSP. For DEWA IV, a key factor is its extraordinarily long PPA duration, but we expect that it also has very low financing costs. We conclude that both projects can probably be replicated, either in places with an increasing PV fleet and strong “duck curve” problems (replicating Aurora) or in places with low policy risks and access to cheap capital (replicating DEWA IV); such places could include the US, Southern Europe, or the Gulf region.

Item URL in elib:https://elib.dlr.de/124273/
Document Type:Article
Title:Concentrating solar power for less than USD 0.07 per kWh: finally the breakthrough?
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Liliestam, Johanjohan.lilliestam (at) usys.ethz.chUNSPECIFIED
Pitz-Paal, RobertRobert.Pitz-Paal (at) dlr.dehttps://orcid.org/0000-0002-3542-3391
Date:September 2018
Journal or Publication Title:Renewable Energy Focus
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:26
DOI :https://doi.org/10.1016/j.ref.2018.06.002
Page Range:pp. 17-21
Editors:
EditorsEmail
Arent, Douglas J.NREL
Publisher:Elsevier
ISSN:1878-0229
Status:Published
Keywords:CSP;PPA; DEWA; LCOE
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Advanced Heat Transfer Media
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Leitungsbereich Solarforschung
Deposited By: Pitz-Paal, Robert
Deposited On:17 Dec 2018 10:14
Last Modified:23 Feb 2019 00:23

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