Pleasant, spoke with multiple people on the team and did a technical exercise. Technical exercise was quantitative solar/storage valuation exercise. Went through three rounds of interview and did not get the job.
I applied in-person. The process took 4 months. I interviewed at E3 (San Francisco, CA) in Feb 2018
Interview
First round interview is a phone interview. The second round is a case interview. And the third round is an on-site interview. About 10 people talked to me throughout the day.