That price could easily be dollars. Most places in the US have far cheaper electric rates than California. Three years ago I had a pretty similar rate in Texas. I'm in a similar boat, my 11¢/kWh plan just finished and new rates were ~14¢+.
USD. I live in Texas and locked in a 3 year rate. It comes with a larger cancellation fee ($250ish), but if I'm doing 1500-2000kWh a month most months, I'm easily saving money even if I cancel before the year is even up because the rate difference is usually 1.5-2c.