British wholesale gas prices rose on Thursday morning as cooler weather forecasts pointed to increased demand.
The day-ahead contract was 0.25 pence higher at 40.50 pence per therm by 0838 GMT.
The within-day contract was up by 0.65 pence at 40.50 p/therm.
The UK gas system was over-supplied by 6.8 million cubic metres...
