Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Techno-Economic Analysis of Hybrid Energy Storage System with Renewable Energy Coupling Hydrogen Technology

Version 1 : Received: 17 July 2023 / Approved: 18 July 2023 / Online: 19 July 2023 (08:38:17 CEST)

How to cite: Jung, H.Y. Techno-Economic Analysis of Hybrid Energy Storage System with Renewable Energy Coupling Hydrogen Technology. Preprints 2023, 2023071281. https://doi.org/10.20944/preprints202307.1281.v1 Jung, H.Y. Techno-Economic Analysis of Hybrid Energy Storage System with Renewable Energy Coupling Hydrogen Technology. Preprints 2023, 2023071281. https://doi.org/10.20944/preprints202307.1281.v1

Abstract

At 100% penetration, intermittent renewable energy causes outages. To flatten the leaping supply and demand curves of renewable energy, an energy storage medium and carrier are required. The Hydrogen energy stotrage system (HydESS), which combines a proton exchange membrane (PEM)-based water electrolysis (WE) system and a fuel cell (FC), has the quickest response time, the longest duration, and the greatest storage capacity. HOMER tools for techno-economic analysis are used to evaluate the HydESS hybrid system. Kyiv, Ukraine, is appealing due to its spatial-temporal wind speed, solar irradiance, and energy security. With an LCOE of $0.245 kWh−1 and 9.3% fuel cell power output, the most feasible solution is onshore wind turbine-coupled PEMFC HydESS. As a result 1,000-kW wind power, 250-kW PEMFC, 250-kW PEMWE, and 441-kW BESS are optimized to serve a 3,900 kWh day academic residence load. When compared to a diesel generator and a BESS, the hybrid HydESS reduces CO2 emissions by 4,132 tons over a 25-year period. The LCOE of a hybrid HydESS system is determined by the SOFC lifetime rather than the PEMFC's 2% difference between 40,000 and 50,000 h with the same rated power. This study recommends accelerating PEMFC development with fluctuation-endurable materials and design.

Keywords

techno-economic analysis; hybrid optimization of multiple energy resources (HOMER); hybrid energy storage system (HESS); hydrogen energy storage system (HydESS),; levelized cost of energy (LCOE); battery energy storage system (BESS),

Subject

Environmental and Earth Sciences, Environmental Science

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