Adds additional ranks of boilers, steam engines, steam turbines, power poles, nuclear reactors, and adds primary load versions of steam engines and turbines.
Mods introducing new content into the game.
Counted when a user downloads a mod release for the first time. Before Nov 2021 it counted everytime a user clicked the mods download button.
Counted when a user downloads a mod for the first time. Has no data before Dec 2022