A home or business with solar panels, battery storage, and connection to the electrical grid could be both a producer and consumer of energy. A very neat idea. Maybe we could connect treadmills to our home “grid” and simultaneously get cardio and store electricity for future use or sale…

https://www.linkedin.com/today/post/article/20140302203055-127714-energy-sector-s-newest-power-player-elon-musk?trk=eml-ced-b-art-M-1&midToken=AQH426MKGSWS3g&ut=2noNuOgJPFuC81&_mSplash=1