UK GAS-Prices mixed as imports from Norway rise but temperatures cool

LONDON, Sept 30 (Reuters) - Prompt British wholesale gas prices were mixed on Monday morning, as gas for immediate delivery was lower on higher imports from Norway.

* The within-day gas price < TRGBNBPWKD> was down 0.90 pence at 25.60 pence per therm by 0841 GMT.

* The day-ahead gas contract was up 0.80 p at 25.60 p/therm.

* Traders said imports of gas from Norway to Britain had ramped up on Monday sending within-day prices lower, while the day-ahead price was buoyed by cooler temperatures and an expected increase in demand for heating.

* Imports from Norway through the Langeled pipeline were around 14 mcm on Monday, up from around 6 mcm the previous day.

* Total imports of Norwegian gas to Britain were around 37 mcm/day on Monday, data from Norwegian gas operator Gassco showed.

* With temperatures set to dip, analysts at Refinitv increased their forecast for day-ahead local distribution zone gas demand by 5 mcm compared with their previous forecast, they said in a daily research note.

* Further out on the curve, prices were little changed.

* October contract flat at 30.75 p/therm.

* Winter 2019 contract flat at 47.25 pence per therm.

* Day-ahead gas price at the Dutch TTF hub up 0.60 euro at 10.00 euros per megawatt hour.

* Benchmark Dec-19 EU carbon contract down 0.10 euro at 25.19 euros per tonne. (Reporting by Susanna Twidale; editing by Nina Chestney)