UK GAS-Prices rise on weaker supply, strong power plant demand

LONDON May 26 (Reuters) - British wholesale gas prices rose
on Wednesday morning as Norwegian imports and domestic
production declined and demand from power plants rose, leaving
the system undersupplied.

* The within-day contract was up 1.00 pence at
71.00
p/therm by 0900 GMT.

* The day-ahead contract was up 0.25 p at 70.00
p/therm.

* Flows from Norway through the Langeled pipeline were at 52
million cubic metres (mcm) on Wednesday morning, down 14 mcm
from the previous day.

* In Britain, domestic supply was curbed ahead of expected
maintenance at the Forties pipeline system.

* “FTP maintenance will start tomorrow, but most of the
production
has already adjusted down ahead of the maintenance,” analysts at
Refinitiv said in a daily research note.

* Demand for gas from Britain’s power plants rose as
forecasts for
output from the country’s wind farms fell.

* Peak wind power generation is forecast at 3.3 gigawatts
(GW) on
Wednesday, falling to 2.1 GW on Thursday, Elexon data showed.

* Britain’s gas system was undersupplied with demand
forecast at
192.0 mcm and flows at 179.4 mcm/day, National Grid data showed.

* The June contract was up 0.60 p at 67.00
p/therm.

* The day-ahead gas price at the Dutch TTF hub
was up
0.35 euro at 26.70 per megawatt hour.

* The benchmark Dec-21 EU carbon contract was up
0.90
euro at 54.22 euros per tonne.

* The equivalent Dec-21 British carbon contract

* was up 0.85 p at 51.75 pounds per tonne.
(Reporting By Susanna Twidale; editing by Barbara Lewis)