Rhode Island lawmakers have proposed legislation to introduce small, portable solar arrays that can be connected to a standard wall outlet and reduce the amount of electricity a person consumes from the power grid. The legislation defines these devices and provides exemptions from the permitting and utility-agreement processes required for larger solar installations. A typical portable system, which costs between $500 and $1,200, provides energy to power household appliances and lights. The proposal aims to help reduce high energy bills and reduce reliance on fossil fuels.