Starting in 2019, Santa Monica electricity customers will be served by a new entity called the Clean Power Alliance of Southern California (CPA). CPA will offer customers competitively priced electricity sourced from 100%, 50% or 36% renewable energy. Nothing else changes -- Southern California Edison (SCE) will continue to deliver power to customers, send the bills, and be responsible for resolving any electricity service issues. 

Clean Power Alliance (CPA) will offer three-tier rate options:  

• 100% renewable (7-9% cost premium compared to SCE) 
• 50% renewable (0-1% discount compared to SCE)  
• 36% renewable energy (1% discount compared to SCE) 

Read More: https://www.santamonica.gov/blog/clean-power-is-coming-to-santa-monica