Lynn Jurich explains in the video above that her company gets money from banks — hundreds of millions of dollars — and then uses that money to finance the installation of solar systems on homes. Homeowners pay on a monthly basis, not up front, at rates that are comparable to or cheaper than the grid (SunRun says).
We still don’t know how much money SunRun makes on each home, but we do know that the company’s model has exploded. Most new solar is now being installed with the leasing model and other companies like SolarCity and Sungevity are trying to horn in on SunRun’s business (even if SunRun remains the largest solar leasing company).
The takeaway from SunRun is simple, though: sometimes the innovations that matter aren’t technical but financial (or even social). Of course, developing more efficient, less expensive solar cells helps, but the technology development alone cannot guarantee successful market deployments.
Truth and Traditions 
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