Big data analytics has sparked a reinvention of the smart grid.

GTM Research forecasts cumulative global spending on smart-grid-related  analytics to top $20.6 billion between the years 2012 and 2020. Globally, it  predicts an annual spending of $3.8 billion in 2020.

The firm estimates that “for utilities deploying these technologies, the  achieved return on this investment will exceed $121.8 billion globally over the  same nine-year time period,” according to its latest report.

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