article thumbnail

Walmart Broadens ROI for Green Power

Harvard Business Review

For example] the longer term payback on solar helps us get to scale down the road.". It also recognizes that, in the meantime, operational managers will gain valuable experience and knowledge about how to optimize the new power systems. We worship internal rates of return (IRR) to our detriment.

ROI 13
article thumbnail

Two Forces Moving Business Closer to Climate Action

Harvard Business Review

and an IRR of 27% for those companies with the most aggressive, science-based goals and actions on climate. Even those hippies over at asset manager Lazard calculate that the cost of solar PV technologies has dropped nearly 80% in five years. Hundreds of thousands of people made their voices heard.

IRR 8