Plug-in solar has remained in the shadows because of a lack of safety standards and often costly requirements imposed by ...

Bills have been introduced in at least 24 states to allow residents to install and use plug-in devices with outputs of up to 1,200 watts — without utility company permission.

Under the bill, plug-in solar devices would no longer need an interconnection agreement, a contract between customer and utility which ensures technical compatibility when connecting a new energy ...