The company has a wind portfolio of 1.6GW and a solar pipeline of 130MW.

“The bottom line is that this business has gone from zero to multi-hundred-million-dollar revenue,” DER president Greg Wolf tells Recharge.

Its rapid and highly profitable rise is thanks to a business model that others would do well to emulate — if they are able to.

To start with, DER — unlike some developers — will not build projects that do not have long-term power-purchase agreements (PPAs) in place.