Beyond the grid: The promise of solar concentration for non-electrical energy generation

Harry Apostoleris, Matteo Chiesa

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

As electricity from both photovoltaics and concentrating solar power has become dramatically more affordable in the last several years, the prospect of converting entire national electrical grids to run almost entirely on renewable energy has become feasible in any location with a strong solar resource. However, focusing only on the electric grid neglects the large portion of our energy usage which is thermal rather than electrical. One frequently proposed solution has been to simply electrify all thermal processes, for example in heavy industry, space and water heating. We suggest that the direct use of solar heat for thermal processes enables savings in terms of energy loss, land usage and dollar cost. Focusing on the requirements of heavy industry, desalination and long-distance heat transport, we identify the current and future potential of efficient collection, use and distribution of solar heat to extend the ongoing renewable revolution beyond the grid.

Original languageBritish English
Title of host publicationNonimaging Optics
Subtitle of host publicationEfficient Design for Illumination and Solar Concentration XVI
EditorsRoland Winston, Eli Yablonovitch
PublisherSPIE
ISBN (Electronic)9781510629332
DOIs
StatePublished - 2019
EventNonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI 2019 - San Diego, United States
Duration: 11 Aug 201912 Aug 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11120
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceNonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI 2019
Country/TerritoryUnited States
CitySan Diego
Period11/08/1912/08/19

Keywords

  • Desalination
  • Process heat
  • Solar concentration
  • Solar thermal power
  • Thermal energy storage

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