What version of EnergyPlus is Honeybee using (you can use the “HB Check Versions” component to see)?
Between 9.3 and 9.4, the E+ team decided to change the names of all the outputs that are related to electricity and natural gas, which can cause a situation like this. So make sure you are using LBT core libraries from the 1.2 release and E+ 9.4.