briefly, cta allows the services. they do not take over the p.g. in the delivery of the energy, metering, and billing. -- do not take over the pg&e delivery. it provides a different electricity source. they still do the distribution. you would still call them if you need service, and all of those things continue, and state law provides that customers will be given an opportunity to opt out. it is a system that your enrolled and unless you opt out. it provides for two opt out options before we cut over, and two after at no cost, obviously. it provides the customers the ability to choose the supplier for their energy, and they have a choice based on the environmental impact and their own personal views on what they would like to have. this started back in 2002, when state law allowed for them to take effect. in may 2004, the board of supervisors established our first cca program. in 2005, the mayor declared the official part of the program so that we could work with pg&e, and then the budget was changed to put $5 million into the budget " to have see