sci.energy

CJT wrote:

>
>Do they ever actually meter therms, or measure ccf and convert?
>It seems to me to actually measure the therms, they'd need to
>continuously monitor the heating value of the gas being delivered,
>and that seems quite difficult compared with just measuring cf.
>Of course, assuming they've stripped the gas down to nearly pure
>methane, the conversion is easy, but natural gas can vary according
>to ethane and higher content.


They do here... Meter reading is by CCF, then a conversion factor applied to get
therm, multiplied by the rate per therm. The factor changes slightly every
month...