Japan turns down the heat and dims the lights to avoid power cut after quake
Up to 3 million households had faced the threat of blackouts, as utility Tokyo Electric Power Co warned of tight supply and surging demand as snow fell across Tokyo and the temperature dropped to 2 degrees Celsius.
Japan issues power warning after quake hits supply
Overnight, the government issued its first-ever electricity crunch warning for the capital and other regions, with supply dented because several thermal power plants remain offline after the quake.