The average monthly cost for electricity in Southern California can vary depending on numerous factors, including the size of the home, energy usage habits, specific rates set by Southern California Edison, and the time of year. On average, residential customers may expect to pay around one hundred to one hundred fifty dollars per month, although this figure can fluctuate. Some customers who are more energy-efficient or use renewable energy sources may find their monthly costs to be lower, while others may have higher bills if their usage increases. It is also essential to consider how seasonal changes, such as higher air conditioning use during summer, can impact the monthly electricity costs. For detailed information on rates and any potential discounts or assistance programs, customers may want to refer to the current web page of Southern California Edison.