From The 7 Essential Meta Questions of Every Beta:
The issue of holding fair elections is largely technical. The long-term solution will likely come from us. Still, bring up these issues in meta. There is a lot of room for innovation. Discussing the criteria of a great moderator is important and picking out potential candidates is a great way to introduce outstanding contributors to your community. And we are completely open to appointing temporary Moderators when someone’s contribution makes them a standout choice for your community’s human exception handler.
So, who should we appoint as our pro-tempore moderators for the Great Outdoors?
Self nominations are okay, and even encouraged. Most sites have not had sufficient time for many users to stand out. Self nomination is simply a way to say, “I’m interested. Let my record speak for itself.”
From: Moderator Pro Tempore.