OSLO, Nov 28 (Reuters) - Royal Dutch Shell's giantOrmen Lange gas field in the Norwegian North Sea remains downdue to power supply issues and a storm, the company told theNordic power bourse on Thursday.
Ormen Lange halted production late on Wednesday because of apower trip and its operator said it would take up to 12 hours toresume production.
However, unexpected glitches delayed the start up, reducingNorway's output by nearly a fifth, compounding problems causedby reduced output at Statoil's Troll field.
Norway is Western Europe's biggest gas supplier, accountingfor about a fifth of the European Union's gas needs.