Midnight Star’s free-to-play business model is quite tame. It doesn’t have a limited energy system that forces you to stop playing after a while, and it doesn’t lock content behind a paywall.

Evergy recommends it for customers with electric vehicles that can be charged between midnight and 6 a.m.

Starting Oct. 1, all western Missouri electricity customers will be switched onto one of Evergy’s new time-of-use rate plans. Here’s how they’ve worked in other cities.