Bulb were ok initially but have made many price increases and are now not really competitive
Their Green Energy is not really that Green but that applies to most Suppliers. The Electricity is mainly Green in that they mainly purchase from Green energy suppliers. The Gas is not really Green at all. A tiny amount id produced from Sewerage etc but that's only about 3% and its debatable as to whether that's green the other 97% is not green at all and they just use Carbon offsetting