I think its wrong to blame just the generators for current prices-there are many other factors involved and if you want to allocate blame to who "generated" this situation then blame all parties,God(the weather),the government,poor communication(?conspiracy in allowing extra potline-but I have no evidence to support this).
Yes Government could do a bit of pushing/encouragement eg to ensure offshore gas continues-or else generators will abandon the use of gas to cover droughts and periods of peak demand in winter. More regulation is likely to be wrong.Repeal of the future drill ban would be a start.