The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems
An opportunity to decarbonise the offshore oil and gas sector lies in the integration of renewable energy sources with energy storage in a hybrid energy system (HES). Such concept enables maximising the exploitation of carbon-free renewable power, while minimising the emissions associated with conve...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-12-01
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| Series: | Energies |
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| Online Access: | https://www.mdpi.com/1996-1073/14/23/8123 |
| _version_ | 1797507856493182976 |
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| author | Luca Riboldi Marcin Pilarczyk Lars O. Nord |
| author_facet | Luca Riboldi Marcin Pilarczyk Lars O. Nord |
| author_sort | Luca Riboldi |
| collection | DOAJ |
| description | An opportunity to decarbonise the offshore oil and gas sector lies in the integration of renewable energy sources with energy storage in a hybrid energy system (HES). Such concept enables maximising the exploitation of carbon-free renewable power, while minimising the emissions associated with conventional power generation systems such as gas turbines. Offshore plants, in addition to electrical and mechanical power, also require process heat for their operation. Solutions that provide low-emission heat in parallel to power are necessary to reach a very high degree of decarbonisation. This paper investigates different options to supply process heat in offshore HES, while the electric power is mostly covered by a wind turbine. All HES configurations include energy storage in the form of hydrogen tied to proton exchange membrane (PEM) electrolysers and fuel cells stacks. As a basis for comparison, a standard configuration relying solely on a gas turbine and a waste heat recovery unit is considered. A HES combined with a waste heat recovery unit to supply heat proved efficient when low renewable power capacity is integrated but unable to deliver a total CO<sub>2</sub> emission reduction higher than around 40%. Alternative configurations, such as the utilization of gas-fired or electric heaters, become more competitive at large installed renewable capacity, approaching CO<sub>2</sub> emission reductions of up to 80%. |
| first_indexed | 2024-03-10T04:54:21Z |
| format | Article |
| id | doaj.art-7b3529dd60cf4fa586985f8aa1ecb3b4 |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-10T04:54:21Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-7b3529dd60cf4fa586985f8aa1ecb3b42023-11-23T02:22:59ZengMDPI AGEnergies1996-10732021-12-011423812310.3390/en14238123The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy SystemsLuca Riboldi0Marcin Pilarczyk1Lars O. Nord2Department of Energy and Process Engineering, NTNU Norwegian University of Science and Technology, 7491 Trondheim, NorwayDepartment of Energy and Process Engineering, NTNU Norwegian University of Science and Technology, 7491 Trondheim, NorwayDepartment of Energy and Process Engineering, NTNU Norwegian University of Science and Technology, 7491 Trondheim, NorwayAn opportunity to decarbonise the offshore oil and gas sector lies in the integration of renewable energy sources with energy storage in a hybrid energy system (HES). Such concept enables maximising the exploitation of carbon-free renewable power, while minimising the emissions associated with conventional power generation systems such as gas turbines. Offshore plants, in addition to electrical and mechanical power, also require process heat for their operation. Solutions that provide low-emission heat in parallel to power are necessary to reach a very high degree of decarbonisation. This paper investigates different options to supply process heat in offshore HES, while the electric power is mostly covered by a wind turbine. All HES configurations include energy storage in the form of hydrogen tied to proton exchange membrane (PEM) electrolysers and fuel cells stacks. As a basis for comparison, a standard configuration relying solely on a gas turbine and a waste heat recovery unit is considered. A HES combined with a waste heat recovery unit to supply heat proved efficient when low renewable power capacity is integrated but unable to deliver a total CO<sub>2</sub> emission reduction higher than around 40%. Alternative configurations, such as the utilization of gas-fired or electric heaters, become more competitive at large installed renewable capacity, approaching CO<sub>2</sub> emission reductions of up to 80%.https://www.mdpi.com/1996-1073/14/23/8123hybrid systemoffshore windenergy storagecarbon dioxide footprinthydrogen |
| spellingShingle | Luca Riboldi Marcin Pilarczyk Lars O. Nord The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems Energies hybrid system offshore wind energy storage carbon dioxide footprint hydrogen |
| title | The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems |
| title_full | The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems |
| title_fullStr | The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems |
| title_full_unstemmed | The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems |
| title_short | The Impact of Process Heat on the Decarbonisation Potential of Offshore Installations by Hybrid Energy Systems |
| title_sort | impact of process heat on the decarbonisation potential of offshore installations by hybrid energy systems |
| topic | hybrid system offshore wind energy storage carbon dioxide footprint hydrogen |
| url | https://www.mdpi.com/1996-1073/14/23/8123 |
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