I have written a spreadsheet program to calculate the annual cost of gas and electricity based on the kilowatt hours used or in the case of gas, either kilowatt hours, cubic meters or cubic feet. To use the program you also need standing charge details and cost per kilowatt hour of both fuels from your supplier. There are three sheets to allow a comparison of 3 suppliers. The program allows the input of both standing charge and non standing charge tariffs and can be in excel (xls) or openoffice spreadsheet (ods) format. If anybody is interested, I will upload to this thread.

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