Quote Originally Posted by Zanarkand-Ronso View Post
Im narrowing my conversation to FFXIV, so in this case, are we talking about the electricity that the servers produce in order to run the game?
Because Im sure any and every online gaming company would love to use such things, if they exist and are affordable.
They do exist and the cost isn't great. A lot of data centres do capture the waste heat from servers and turn it into power, or supply it as heating to local residents. For any company with shareholders, placing one's servers in facilities like that are a few simple to get brownie points.

Quote Originally Posted by Komoritane View Post
the best I can do for you there is to turn mine off when not in use.
At the power point I hope, there is a surprising lot of vampire current in your tv, kitchen equipment, monitors, and plugpacks! If your home has been fitted with a smart meter there are devices that can record that and help you reduce further (a wise thing for anyone running on solar power too)