Power-to-ammonia in future North European 100 % renewable power and heat system

Jussi Ikäheimo (Corresponding Author), Juha Kiviluoma, Robert Weiss, Hannele Holttinen

Research output: Contribution to journalArticleScientificpeer-review

14 Citations (Scopus)

Abstract

Power-to-gas and other chemicals-based storages are often suggested for energy systems with high shares of variable renewable energy. Here we study the North European power and district heat system with alternative long-term storage, the power-to-ammonia (P2A) technology. Assuming fully renewable power and heat sectors and large-scale electrification of road transport, we perform simultaneous optimization of capacity investments and dispatch scheduling of wind, solar, hydro and thermal power, energy storages as well as transmission, focusing on year 2050. We find that P2A has three major roles: it provides renewable feedstock to fertilizer industry and it contributes significantly to system balancing over both time (energy storage) and space (energy transfer). The marginal cost of power-based ammonia production in the studied scenarios varied between 431 and 528 €/t, which is in the range of recent ammonia prices. Costs of P2A plants were dominated by electrolysis. In the power and heat sector, with our cost assumptions, P2A becomes competitive compared to fossil natural gas only if gas price or CO2 emission price rises above 70 €/MWh or 200 €/tCO2.

Original languageEnglish
Pages (from-to)17295-17308
Number of pages14
JournalInternational Journal of Hydrogen Energy
Volume43
Issue number36
DOIs
Publication statusPublished - 6 Sep 2018
MoE publication typeA1 Journal article-refereed

Fingerprint

ammonia
Ammonia
energy storage
costs
heat
sectors
Energy storage
electrification
fertilizers
turbogenerators
renewable energy
scheduling
natural gas
fossils
electrolysis
roads
gases
Costs
Solar wind
Fertilizers

Keywords

  • Electrolysis
  • Energy storages
  • Hydrogen carriers
  • Large-scale integration of renewable power generation
  • Power-to-ammonia
  • Renewable hydrogen

Cite this

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abstract = "Power-to-gas and other chemicals-based storages are often suggested for energy systems with high shares of variable renewable energy. Here we study the North European power and district heat system with alternative long-term storage, the power-to-ammonia (P2A) technology. Assuming fully renewable power and heat sectors and large-scale electrification of road transport, we perform simultaneous optimization of capacity investments and dispatch scheduling of wind, solar, hydro and thermal power, energy storages as well as transmission, focusing on year 2050. We find that P2A has three major roles: it provides renewable feedstock to fertilizer industry and it contributes significantly to system balancing over both time (energy storage) and space (energy transfer). The marginal cost of power-based ammonia production in the studied scenarios varied between 431 and 528 €/t, which is in the range of recent ammonia prices. Costs of P2A plants were dominated by electrolysis. In the power and heat sector, with our cost assumptions, P2A becomes competitive compared to fossil natural gas only if gas price or CO2 emission price rises above 70 €/MWh or 200 €/tCO2.",
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Power-to-ammonia in future North European 100 % renewable power and heat system. / Ikäheimo, Jussi (Corresponding Author); Kiviluoma, Juha; Weiss, Robert; Holttinen, Hannele.

In: International Journal of Hydrogen Energy, Vol. 43, No. 36, 06.09.2018, p. 17295-17308.

Research output: Contribution to journalArticleScientificpeer-review

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