Bringing building performance into the age of the portfolio owner—and capturing a $290B prize

Summary: Commercial building retrofits aren't happening at a rate or scale needed to address climate change, due in large part to a building-by-building approach which makes them difficult to implement, and even more challenging to finance. But a new approach take a portfolio approach to energy optimization, revealing new ways to capture a $290B prize. RMI's Jamie Mandel and Philip Keuhn describe this pioneering approach.