The financial body cuts its growth forecast for the UK and warns the war threatens to throw the global economy "off course".
Lord George Robertson, a former Labour defence secretary, will use a speech to accuse "non-military experts in the Treasury" of "vandalism".
Chris Walker says he will name staff from five agencies unless suitable disciplinary action is taken.
Providers can encourage people to use energy when "weather conditions result in excess supply".
The gang gloated about their crimes while two of them referred to themselves as Bonnie and Clyde.