Version: (make sure you are on the latest version before reporting):

• Minecraft:1.15.2
• Forge: 31.1.30
• Powah: 1.1.10

Issue description:

Therme generators flicker with the amount of power they produce. (At least the text is writes) The efficiency jumps from 77% to 177% to 277% at random. I have a

Steps to reproduce:

Pretty much just place a thermo gen on a heat source. In my case it's a hardned one on top of a blazing block.