Comparative Analysis on the Economy of Hydrogen Production Technology for Offshore Wind Power Consumption

doi:10.12204/j.issn.1000-7229.2021.12.015

Abstract

Abstract:

Offshore wind power has become an important field for the development and utilization of wind power due to abundant resources and wide area. However, the strong randomness and intermittent nature of offshore wind power bring many problems to the safe and reliable consumption of offshore wind power. Hydrogen production from wind power is an effective means to improve wind power utilization and alleviate wind curtailment, and it has become a focusing application in the development and research of offshore wind power. This paper comprehensively considers the scheme, equipment investment cost, operation and maintenance cost of hydrogen production technology, and gives the economic evaluation method of the domestic hydrogen production technology from offshore wind power; This paper establishes three technical schemes and economic models for hydrogen production on shore, hydrogen production on offshore platform with hydrogen transported through pipeline and hydrogen production from offshore platform with hydrogen transported by ships. According to relevant research and literature data, taking a 300 MW offshore wind farm as an example, three kinds of hydrogen production technical schemes at different offshore distances are compared in terms of economic efficiency. The results show that among the three technical schemes, hydrogen production from offshore platform with hydrogen transported by ships is the most economic; and the offshore distance increases, the uniform annual value of this scheme is basically unchanged. But with the offshore distance increases, the uniform annual value of the hydrogen production on shore and hydrogen production from offshore platform with hydrogen transported through pipeline schemes increase in different degrees.

Key words: offshore wind power, onshore hydrogen production, offshore platform hydrogen production, economic analysis

CLC Number:

TM614

TIAN Tian, LI Yixue, HUANG Lei, SHU Jie. Comparative Analysis on the Economy of Hydrogen Production Technology for Offshore Wind Power Consumption[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(12): 136-144.

Figures/Tables 19

Table 1 Summary of offshore wind power demonstration projects in the world in recent 5 years

Fig.1 Topology of on-shore hydrogen production system for offshore wind power via AC transmission

Fig.2 Topology of on-shore hydrogen production system for offshore wind power via DC transmission

Fig.3 Topology of hydrogen production system on offshore platform with hydrogen transported by ships

Fig.4 Topology of hydrogen production system on offshore platform with hydrogen transported through pipeline

Table 2 Annual maintenance rate of equipment

Table 3 Economic parameters of onshore hydrogen production system from offshore wind power

Table 4 Investment cost of onshore hydrogen production system from offshore wind power via AC transmission

Table 5 Investment cost of onshore hydrogen production system from offshore wind power via DC transmission

Table 6 Loss of AC and DC cables to different distances

Fig.5 Column chart of cost composition of onshore hydrogen production system from offshore wind power via AC transmission

Fig.6 Column chart of cost composition of onshore hydrogen production system from offshore wind power via AC transmission

Table 7 Economic parameters of hydrogen production on offshore platform with hydrogen transported through pipeline

Table 8 Investment cost of hydrogen production on offshore platform with hydrogen transported through pipeline

Fig.7 Column chart of the cost composition of hydrogen production on offshore platforms with hydrogen transported through pipeline system

Table 9 Economic parameters of hydrogen production on offshore platform with hydrogen transported by ships

Table 10 Investment cost of hydrogen production on offshore platform with hydrogen transported by ships

Fig.8 Column chart of the cost composition of hydrogen production on offshore platforms with hydrogen transported by ships

Fig.9 Variation of uniform annual value of different wind power hydrogen production systems versus offshore distance of a 300 MW wind farm

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