Underhill. Natural gas is about 1/3 the equivalent price of oil. Natural gas is regulated by the state of Vermont. If VGS wants to raise rates, the state has to approve it.

https://www.nationalgridus.com/media/miscassets/advantagesgraph_980x551.png

That said, my house is well insulated, I have no tall ceilings, and I do have pretty good windows