I live in the USA - California, and 150W 24/x would cost about $550/yr. In fact it would cost me a lot more, as my family shifted to time-of-use billing to save

I live in the USA - California, and 150W 24/x would cost about $550/yr. In fact it would cost me a lot more, as my family shifted to time-of-use billing to save money (yeah, it means we don't do certain things between 4-8pm, but with some adjustment it's made a difference in our bills).