At the scale of using these to power whole cities , I think we really need to begin considering the environmental impact of Lithium batteries . Cars , laptops , and phones need to be portable , so for now lithium ion batteries are the obvious solution . Storing solar power at the city or regional scale can be massive in scale and stationary , pump storage for instance . <| sep |> Klipsch Music Center in Noblesville , Indiana . Big outdoor amphitheater and locals get pissed that the music breaks noise ordinances . Fortunately the city seems to realize it helps generate local business . Who moves next to a huge amphitheater and then gets mad that they can hear everything ? What do they think an amphitheater is ? !