Shell, Mitsubishi and Vattenfall have teamed up with German heating firm Warme Hamburg to convert an old coal plant to a 100 MW electrolyzer facility. The companies signed a letter of intent this week after Vattenfall retired the 1.6 GW plant in Hamburg’s Moorburg district in December last year. Subject to investment decisions, the production of green hydrogen at Moorburg could start in 2025, making use of the 380 kV grid connection, supply of wind power, and access to ships for export, which supported the previous coal plant. The companies will apply for EU funding under the Important Projects of Common European Interest program, with the submission of a project outline before March 2021. Siemens Gamesa has signed a deal…