Full energy sector transition towards 100% renewable energy supply: Integrating power, heat, transport and industry sectors including desalination

Dmitrii Bogdanov, Ashish Gulagi, Mahdi Fasihi and Christian Breyer

Applied Energy, 2021, vol. 283, issue C, No S0306261920316639

Abstract: Transition towards long-term sustainable energy systems is one of the biggest challenges faced by the global society. By 2050, not only greenhouse gas emissions have to be eliminated in all energy sectors: power, heat, transport and industry but also these sectors should be closely coupled allowing maximum synergy effects and efficiency. A tool allowing modelling of complex energy system transition for power, heat, transport and industry sectors, responsible for over 75% of the CO2eq emissions, in full hourly resolution, is presented in this research and tested for the case of Kazakhstan. The results show that transition towards a 100% sustainable and renewable energy based system by 2050 is possible even for the case of severe climate conditions and an energy intensive industry, observed in Kazakhstan. The power sector becomes backbone of the entire energy system, due to more intense electrification induced sector coupling. The results show that electrification and integration of sectors enables additional flexibility, leading to more efficient systems and lower energy supply cost, even though integration effect varies from sector to sector. The levelised cost of electricity can be reduced from 62 €/MWh in 2015 to 46 €/MWh in 2050 in a fully integrated system, while the cost of heat stays on a comparable level within the range of 30–35 €/MWh, leading to an energy system cost on a level of 40–45 €/MWh. Transition towards 100% renewable energy supply shrinks CO2eq emissions from these sectors to zero in 2050 with 90% of the reduction achieved by 2040.

Keywords: 100% renewable energy; Energy transition; Sector coupling; Heat sector; Transport sector; Industry (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (77)

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DOI: 10.1016/j.apenergy.2020.116273

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