The battle is heating up over an effort to replace SDG&E in the city of San Diego with a nonprofit power company. Dueling reports seek to estimate the costs of transitioning to a municipal power company. The estimates range from $3.5 billion to $13 billion. Business was brisk in front of the Costco store in Bay Ho on Tuesday, as volunteers encouraged people to sign the petition to “fire SDG&E.” “Electric rates are just ridiculous. They just keep going up, and I don't know who's getting all the money, but it's a big rip off,” said one man who signed the petition. The petition would force a ballot initiative in November to establish a nonprofit power company run by the City of San Diego. MORE: https://www.cbs8.com/article/news/local/dueling-reports-estimate-costs-nonprofit-power-company-san-diego/509-0030ece9-632f-4ac9-9e4f-10d7ed71d4b2