Scottish Power

[Karamia]

I am with Scottish Power and on a fixed tariff until April 2023 but have noticed they keep changing the calculation they use to convert the gas units to kwh. It keeps increasing - first it was equivalent of X units by 11.17, then X 11.27 and now has crept up again to X 11.3. So it looks like I am using more kwh of gas when I am infact using same amount. Can they change the calculation when on a fixed tariff?

[murraymints]

have you asked them ?

[bobbinwales]

Yes they do change slightly with all suppliers. Maybe it's dependant on temperature or pressure or quality of the gas. Maybe someone can explain for us or can fined a answer on google

[bobbinwales]

https://www.theenergyshop.com/guides/how-to-convert-gas-units-to-kwh#:~:text=That%20is%20because%20gas%20meters,the%20bill%20(or%20quote).

[bobbinwales]

It seems national grid tell suppliers what correction factor they med to apply...and it is based on temp and pressure. Your meter measures volume then converts it to kwh

[Atheist]

I think it's to do with the calorific value of the gas. CV is the amount of heat contained in one unit (cu m) of gas. The CV can fluctuate. By using the CV factor they are able to charge you by the Kw rather than the actual volume of gas used.

[Atheist]

I should have referred to Kwh rather than Kw.

[gingejbee]

Yes, it is all about the calorific value of the gas...it has nothing to do with your fixed-rate tariff - you will be charged at the same rate until next April.

[murraymints]

I am Scottish Power too..so thank you for those responses :-) x

[Karamia]

Thank you for the replies. It just seems unfair that when on a fixed rate I will pay more (lets say for example) for 50 units of gas in October than for the same 50 units of gas I used in September.

[perseverer]

You are getting more heat from a unit of gas, so the higher cost.

[bobbinwales]

Its not unfair though as your being charged for the number of kwhours you use, that adjustment is done (up or down) to make sure it reflects your true kwh usage