“I predict that long before 2030 we will have long lasting batteries for less than $50/kWh everywhere. Your house will get a 20 kWh battery costing just $1000 that will earn itself back in less than three years and …

…and make sure your electricity use never peaks during the day, that your voltage hardly fluctuates, and that you will never experience a blackout again. Companies and business parks will buy larger batteries that quickly solve their grid congestion woes.”