#1 Northern California: a. San Jose, b. San Francisco, c. Fresno, d. Sacramento, e. Oakland
#2 Southern California: a. San Diego, b. Los Angelos, c. Bakersfield, d. Long Beach, e. Santa Ana, f. Chula Vista, g. Riverside
#3 Austin, TX
#4 Washington, DC
#5 Phoenix, AZ
#6 Portland, OR
#7 Albuquerque, NM
#8 Scottsdale, AZ
#9 Denver, CO
#10 San Antonio, TX

Source: The Open PV Project

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