Integrated power-to-gas and gas-to-power with air and natural-gas storage

Kaveh Rajab Khalilpour, Ignacio E. Grossmann, Anthony Vassallo

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Compressed-air energy storage (CAES) is an energy-storage option with a history of almost half a century. The concept of CAES is formed around the integration of air storage with a gas-fired power generator. Here, we introduce a methodology that a gas power-generating plant installs both air- and natural-gas-storage systems to utilize the stored energy as well as the real economic value of natural gas, following the market dynamics. The energy-storage hybridization increases the operation complexity substantially. We present a detailed mixed-integer techno-economic formulation for operation scheduling of such a system. An example is also provided for a 180 MW gas generator in Australia with results showing how the storage facilities could improve the revenues of the plant. The analyses also show the existence of optimal conditions for a mix of natural gas and storage sizes in a given regional market jurisdiction in order to achieve the highest economic revenue.

Original languageEnglish
Pages (from-to)1322-1340
Number of pages19
JournalIndustrial and Engineering Chemistry Research
Volume58
Issue number3
DOIs
Publication statusPublished - 23 Jan 2019

Keywords

  • Energy storage
  • Compressed air energy storage
  • CAES
  • Optimisation algorithm
  • Energy systems analysis
  • Electricity market
  • Smart grid
  • Renewable energy integration

Cite this

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abstract = "Compressed-air energy storage (CAES) is an energy-storage option with a history of almost half a century. The concept of CAES is formed around the integration of air storage with a gas-fired power generator. Here, we introduce a methodology that a gas power-generating plant installs both air- and natural-gas-storage systems to utilize the stored energy as well as the real economic value of natural gas, following the market dynamics. The energy-storage hybridization increases the operation complexity substantially. We present a detailed mixed-integer techno-economic formulation for operation scheduling of such a system. An example is also provided for a 180 MW gas generator in Australia with results showing how the storage facilities could improve the revenues of the plant. The analyses also show the existence of optimal conditions for a mix of natural gas and storage sizes in a given regional market jurisdiction in order to achieve the highest economic revenue.",
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Integrated power-to-gas and gas-to-power with air and natural-gas storage. / Khalilpour, Kaveh Rajab; Grossmann, Ignacio E.; Vassallo, Anthony.

In: Industrial and Engineering Chemistry Research, Vol. 58, No. 3, 23.01.2019, p. 1322-1340.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Grossmann, Ignacio E.

AU - Vassallo, Anthony

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KW - Optimisation algorithm

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KW - Electricity market

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