Blackouts power: Effect of Northern power grid failure on domestic area & businesses

Power is very necessarty source in our life. Northern Regional Grid was a major grid disturbance in Northern Region at 02.33 hrs on 30-07-2012. Northern Regional Grid load was about 36,000 MW at the time of disturbance. Subsequently, there was another grid disturbance at 13.00 hrs on 31-07-2012 resulting in collapse of Northern, Eastern and North-Eastern regional grids. This is possibly the first time that all three grids have collapsed simultaneously. Till late in the evening, around 25000 MW of the total 50,000 MW had been restored. About 13,000 MW has been restored in the Northern region and about 4,000 MW in the Eastern region. Supply to the affected regions is being extended from western and southern Grids. The total load of about 48,000 MW was affected in this black out. The northern grid covers a vast region that is home to 28 percent of India's 1.2 billion populations, and includes the states of Jammu and Kashmir, Punjab, Rajasthan and Uttar Pradesh. A massive power cut blacked out northern India Monday, leaving more than 1.2 million people without power, shutting down water plants and stranding hundreds of trains in the worst outage in a decade. Indian company that specializes in selling power backup inverters claims to have 100 million "satisfied customers On 31 July 2012, Monday, 370 million people lost power for hours when the northern grid collapsed. On Tuesday, 620 million had no electricity after the grid collapsed again, dragging down two neighboring grids. This article is about accidental power failures. For intentionally engineered ones, see rolling blackout.