![](https://erg.berkeley.edu/wp-content/uploads/2013/11/callaway_mug.jpg)
ERG associate professor Duncan Callaway co-authored this post with ARE associate professor Meredith Fowlie for the Energy Institute at Haas blog on grid dis-integration and the potential economic effects of grid defection. As solar PV and storage costs fall, the additional cost associated with generating and storing electricity on a smaller scale could be more than offset by the transmission/distribution/retail service costs eliminated with a decentralized system.