Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

Boubault, Antoine; Ho, Clifford K.; Hall, Aaron; Lambert, Timothy N.; Ambrosini, Andrea

doi:10.1016/j.renene.2015.06.059

Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

Journal Article · Wed Jul 08 00:00:00 EDT 2015 · Renewable Energy

DOI:https://doi.org/10.1016/j.renene.2015.06.059· OSTI ID:1236480

Boubault, Antoine ^[1]; Ho, Clifford K. ^[1]; Hall, Aaron ^[1]; Lambert, Timothy N. ^[1]; Ambrosini, Andrea ^[1]

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

The contribution of each component of a power generation plant to the levelized cost of energy (LCOE) can be estimated and used to increase the power output while reducing system operation and maintenance costs. The LCOE is used in order to quantify solar receiver coating influence on the LCOE of solar power towers. Two new parameters are introduced: the absolute levelized cost of coating (LCOC) and the LCOC efficiency. Depending on the material properties, aging, costs, and temperature, the absolute LCOC enables quantifying the cost-effectiveness of absorber coatings, as well as finding optimal operating conditions. The absolute LCOC is investigated for different hypothetic coatings and is demonstrated on Pyromark 2500 paint. Results show that absorber coatings yield lower LCOE values in most cases, even at significant costs. Optimal reapplication intervals range from one to five years. At receiver temperatures greater than 700 °C, non-selective coatings are not always worthwhile while durable selective coatings consistently reduce the LCOE—up to 12% of the value obtained for an uncoated receiver. Moreover the absolute LCOC is a powerful tool to characterize and compare different coatings, not only considering their initial efficiencies but also including their durability.

Research Organization:: Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Program (EE-2A)

Grant/Contract Number:: AC04-94AL85000

OSTI ID:: 1236480

Alternate ID(s):: OSTI ID: 1406936

Report Number(s):: SAND--2015-5083J; PII: S0960148115300823

Journal Information:: Renewable Energy, Journal Name: Renewable Energy Journal Issue: C Vol. 85; ISSN 0960-1481

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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14 SOLAR ENERGY
LCOC
LCOE
aging
coating
durability
solar absorber

Levelized cost of energy (LCOE) metric to characterize solar absorber coatings for the CSP industry

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