A decision-support framework for sustainable hydrogen refueling stations under solar variability and tariff reforms

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dc.authorid0000-0002-1038-7224
dc.authorid0000-0002-2073-8956
dc.authorid0000-0002-1947-9053
dc.contributor.authorDemirci, Alpaslan
dc.contributor.authorOzturk, Zafer
dc.contributor.authorDagal, Idriss
dc.date.accessioned2026-01-31T15:08:18Z
dc.date.available2026-01-31T15:08:18Z
dc.date.issued2026
dc.departmentİstanbul Beykent Üniversitesi
dc.description.abstractThe large-scale deployment of sustainable hydrogen refueling stations (HRS) faces critical barriers from siting constraints, solar resource variability, and electricity tariff reforms that reshape grid economics. While previous studies often address these drivers in isolation, they rarely capture the trade-offs of photovoltaic (PV)-electrolyzer-hydrogen storage scaling under real-world conditions. This study develops a high-resolution techno-economic-environmental framework that evaluates HRS performance under land-use limitations, solar variability, tariff reforms, and hydrogen storage autonomy scenarios. Results show that siting constraints and tariff reforms can push grid dependency above 70% and hydrogen costs up to 15.8 $/kg, whereas optimal configurations reduce the Levelized Cost of Hydrogen (LCOH) to 7.72 $/kg and cut CO2 emissions by more than 70%. These optimal cases occur where PV self-consumption remains around 55%-65%, reflecting efficient utilization and balanced operation. By contrast, oversizing PV without improving self-consumption ratio (SCR) raises curtailment to 55%. Extending storage autonomy further strengthens energy security and reduces emissions, but also lengthens payback periods, underscoring the dual nature of autonomy. Overall, the framework delivers actionable insights for policymakers and investors, linking siting constraints, solar variability, and tariff reforms to the design of resilient, cost-effective, and sustainable hydrogen infrastructures that support long-term energy security.
dc.identifier.doi10.1016/j.ijhydene.2025.152892
dc.identifier.issn0360-3199
dc.identifier.issn1879-3487
dc.identifier.scopus2-s2.0-105023829725
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org./10.1016/j.ijhydene.2025.152892
dc.identifier.urihttps://hdl.handle.net/20.500.12662/10652
dc.identifier.volume200
dc.identifier.wosWOS:001637656800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPergamon-Elsevier Science Ltd
dc.relation.ispartofInternational Journal of Hydrogen Energy
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260128
dc.subjectHydrogen refueling stations
dc.subjectPhotovoltaic integration
dc.subjectElectricity tariff reforms
dc.subjectLevelized cost of hydrogen
dc.subjectDecision-support framework
dc.subjectSolar variability
dc.titleA decision-support framework for sustainable hydrogen refueling stations under solar variability and tariff reforms
dc.typeArticle

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