SDG&E in socal offers an EV rate with 9c/kwh off peak. The off peak hours are 12am to 6am weekdays and 12am to 2pm weekends and holidays. There is a $16 monthly fee, but still worth it for EV owners.
We have been on that rate for a few months (see my post above). Combined with solar PV and a storage battery, and the extremely high peak rates, we have actually had generation credits the past couple of months. We will see what happens in the fall when weather is still hot and solar production is reduced.
On top of that, there's an $850 EV Climate Credit coming our way through the utility. This is an annual credit that you need to apply for early in the calendar year. It's financed by California's cap and trade program, but it's first come first serve and varies from year to year.