Are There Servers in Satisfactory?

Yes, your Satisfactory server is always online. That is the main reason to pay for game server hosting. All power and network traffic are covered in your subscription so that your server can be online all of the time.

Does Satisfactory have dedicated servers yet?

Dedicated servers are currently being worked on at higher priority with no set release date. Some information about them is already known: ... However, the server (regardless of player activity) will need to be restarted every 24 or 48 hours, which might happen automatically.

Is there multiplayer in Satisfactory?

Thankfully, there's a cooperative mode that allows you to play Satisfactory with other people online, with no hard limit on the number of players you can invite (the game officially supports up to four). This includes cross-platform multiplayer across both Steam and Epic Games.