Needless to say, TEPCO is whining more than a Boeing 777 about this since their Tokyo nuke power plants are all shut down for repairs and they want to be excused for brownouts ... Or just to be allowed to turn the leaky Nukes back on line...
Nuked
Feb 20th 2003 / The Economist / link to paid sub only
...Indeed Tepco has begun a campaign to ask consumers to conserve energy, saying that a cold snap in March could otherwise wipe out its safety-net of supplies. The outlook for Tokyo's hot and humid summer, when demand for electricity is at its peak, is grim. Tepco reckons that it may fall short of expected demand by as much as 20% if its nuclear-power plants remain closed. Tepco will probably push to restart its reactors, claiming they are safe.
