We have used GRE for over 8 years. 10 years ago we moved to an all electric house (plus it was a 30 year old home so not that efficient to begin with) for the first time in our lives. We were shocked when we received our “winter” season bills well into $400-500 range. Summer season was equally as bad. We switched to GRE and that alone took us back into the $200-300 range which was much more feasible for our family of 6. Very grateful to still be with GRE and to continue to get great service from them!