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Gas cost

  • 15-01-2015 5:37pm
    #1
    JuneJones
    Registered Users, Registered Users 2 Posts: 71 ✭✭


    I did a meter reading of my gas boiler on 3 December last and also today. It went from 3098 to 3196

    Is this 98 units and is it possible to calculate the cost of the gas used by the units?

    I use gas just for rads and to heat water and am concerned re bill as have to use it a lot lately


Comments

  • #2
    Alun
    Registered Users, Registered Users 2 Posts: 21,499 ✭✭✭✭Alun


    Its cubic metres. If you look at a recent bill you'll see a conversion factor to convert from cubic meters to kWh, which is what you're billed for. The price per kWh will also be on the bill. Note that the conversion factor changes regularly so what you actually get charged might be different.


  • #3
    JuneJones
    Registered Users, Registered Users 2 Posts: 71 ✭✭JuneJones


    Alun wrote: »
    Its cubic metres. If you look at a recent bill you'll see a conversion factor to convert from cubic meters to kWh, which is what you're billed for. The price per kWh will also be on the bill. Note that the conversion factor changes regularly so what you actually get charged might be different.

    so is it 98 x price per kwh? the amount of wh is on the bill so no need to convert?

    Or how can one calculate approximate bill from the reading. Approx is all I want

    "Note that the conversion factor changes regularly" why is this


  • #4
    Alun
    Registered Users, Registered Users 2 Posts: 21,499 ✭✭✭✭Alun


    No. 98 cubic meters needs to be multiplied by the conversion factor and then by the price per kWh. On my last bill the conversion factor was 11.3911 for example, so that'd be 98 x 11.9811 = 1,174kWh. The rate per kWh will depend on your supplier and your tariff, but I pay €0.05377 per kWh plus €0.0037 per kWh carbon tax, plus 13.5% VAT on the total.

    The conversion factor changes due to changes in the calorific value of the gas, i.e. how much heat is generated by burning it, and this changes due to differences in where the gas is sourced and other factors lie pressure and temperature. It can also be different in different parts of the country depending on where the supply is sourced. Bord Gais Networks test the supply regularly and work out the conversion factor based on those tests.


  • #5
    JuneJones
    Registered Users, Registered Users 2 Posts: 71 ✭✭JuneJones


    Alun wrote: »
    No. 98 cubic meters needs to be multiplied by the conversion factor and then by the price per kWh. On my last bill the conversion factor was 11.3911 for example, so that'd be 98 x 11.9811 = 1,174kWh. The rate per kWh will depend on your supplier and your tariff, but I pay €0.05377 per kWh plus €0.0037 per kWh carbon tax, plus 13.5% VAT on the total.

    The conversion factor changes due to changes in the calorific value of the gas, i.e. how much heat is generated by burning it, and this changes due to differences in where the gas is sourced and other factors lie pressure and temperature. It can also be different in different parts of the country depending on where the supply is sourced. Bord Gais Networks test the supply regularly and work out the conversion factor based on those tests.
    Thanks understand now


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