Fig. 3: Spatial distribution of levelized cost of hydrogen for four water electrolysis hydrogen production systems.
From: Economic and environmental competitiveness of multiple hydrogen production pathways in China

a–d Panels are WE1, WE2, WE3, WE4, respectively. The shading on the map represents the levelized cost of hydrogen, the pie chart represents the cost components. Map Source: Standard Map Service of the Ministry of Natural Resources, People’s Republic of China [Map Review Number: GS (2020) 4619].