Walmart Broadens ROI for Green Power
Harvard Business Review
FEBRUARY 7, 2012
And the commitment to green energy has helped Walmart take third place on the U.S. The actual cash payback periods are getting shorter, but they rarely meet the typical 2-year (or so) ROI required by most large companies. First, 75 percent of Walmart's California stores now have "some kind of renewable energy system."
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