I don't work for the gas company or anything related to them.. When I got my bill. I saw all the estimates for this winter were way off..
Given the actual weather and how unusually cold it was.. I would give them a pass.
"They had billed all the extra gas I used through the winter at the new higher rate." they should have only bill the April at that rate,
Gas prices for the last few years have been artificially low... Mild winters, over production etc.
This is only the beginning of the increases!!