Past Tesletter articles
Storm Watch is the alert that Tesla issues every time that some areas might lose power (e.g. because of a hurricane). If Storm Watch is activated, all the Powerwalls in that area immediately start charging to full using the grid so they can be ready to back up the house. In the US, during normal operations, Powerwalls connected to a solar installation can’t take energy from the grid. During normal circumstances, they are only allowed to charge from solar.
Read more: TwitterFrom issue #80