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The Role of Hydrogen for Deep Decarbonization of Energy Systems: A Chilean Case Study


In this paper we implement a long-term multi-sectoral energy planning model to evaluate the role of green hydrogen in the energy mix of Chile, a country with a high renewable potential, under stringent emission reduction objectives in 2050. Our results show that green hydrogen is a cost-effective and environmentally friendly route especially for hard-to-abate sectors, such as interprovincial and freight transport. They also suggest a strong synergy of hydrogen with electricity generation from renewable sources. Our numerical simulations show that Chile should (i) start immediately to develop hydrogen production through electrolyzers all along the country, (ii) keep investing in wind and solar generation capacities ensuring a low cost hydrogen production and reinforce the power transmission grid to allow nodal hydrogen production, (iii) foster the use of electric mobility for cars and local buses and of hydrogen for long-haul trucks and interprovincial buses and, (iv) develop seasonal hydrogen storage and hydrogen cells to be exploited for electricity supply, especially for the most stringent emission reduction objectives.

Funding source: This research has been partially funded by grant PIA-ACT-192094 (ANID, Chile). The second author acknowledges support provided by ANID/FONDECYT 1190325 (Chile), by NPRP grant number 10- 0212-170447 from the Qatar National Research Fund (a member of Qatar Foundation) and by the Canadian IVADO programme (VORTEX Project). The fourth author acknowledges the support provided by EPSRC through Supergen Energy Networks Hub EP/S00078X/2, and by ANID (Chile) through Instituto Sistemas Complejos de Ingeniería ANID PIA/PUENTE AFB220003, ANID/FONDAP/15110019 SERC-Chile, ANID/FONDECYT Iniciación 11220388, ANID/FONDEF/ID21I10119 grants, and ANID/Millennium Scientific Initiative/ICN2021_023 (Millennium Institute on Green Ammonia as Energy Vector—MIGA).
Related subjects: Policy & Socio-Economics

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