I saw an Xcel Energy promotion for a Powerwall system with rebates taking the cost down from $13.5K to $3.5K, in Denver CO USA. I would have been very tempted

I saw an Xcel Energy promotion for a Powerwall system with rebates taking the cost down from $13.5K to $3.5K, in Denver CO USA. I would have been very tempted by that except I don't have Xcel for electric in my area. edit: Check to see if you have rebates in your area.