The Energy Business Department's data showed that in the same period last year, daily consumption rate was at 8,200 tonnes.
The price of LPG for household consumption has been raised by Bt0.50 per kg per month since September 1. The department's data showed that during September 1-October 2, only 51,086 out of 7.7 million eligible households have registered for the rights to buy the gas at the old price.
Somnuek Bamrungsalee, director-general of the department, admitted that there was a problem with the registration process and this would be tackled.
Against lower household consumption, consumption for transportation purpose during January-September rose by 65 per cent, from 2,900 tonnes a day to 4,800. Volume of LPG used in the manufacturing and petrochemical industries stayed at 1,700 and 7,100 tonnes a day.
Thailand imported 157,000 tonnes of LPG per month on average in the nine months, boosting the accumulated subsidies to Bt24 billion.