It believes that the global power shortfall in the next decade will be much greater than predicted, perhaps over 500,000MW.
Keeping them closed has led to significant financial losses for power companies, which have been forced to make up for the power shortfall with expensive fossil fuel imports.
Despite widespread investor fears of a power glut, analysts say a few states, including New York, Florida and California, may eventually face a power shortfall if new plants are not constructed.
But Puri said that if the economy "does start to roar again" in the way that Modi intends, the country will face a serious power shortfall by 2017.
The combination of factors made it unclear from one moment to the next which crisis was worse, the financial strain or the power shortfall.
Mr. Detmers added that the agency had plans to make up for the power shortfall if Southern California Edison were to file for bankruptcy.
Analysts credit him with spotting the huge power shortfall that was opening up in developing countries, and positioning Aggreko to help fill the gap while continuing with its more humdrum business contracts in Europe and America.
Having convinced its customers that a massive energy-saving sacrifice was necessary, it has now found that it has more back-up than it thought.On April 15th it lowered its estimate of the power shortfall during peak summer months to 3-4.3 gigawatts, from 8.5GW announced three weeks earlier.
This ensures that the airship can be deployed round the clock throughout the year at that specific geographical location, without any power shortfall.
It has boosted power generation from its fossil fuel plants, as well as importing costly fuels such as oil and gas, to make up for a nuclear power shortfall when all of Japan's nuclear reactors were shut down last year.
