Grid-tied, on-grid, utility-interactive, grid intertie, and grid backfeeding are all terms used to describe the same concept – a solar system that is connected to the utility power grid.
Use sunlight as a source of energy to generate direct current electricity.
Grid-tie inverters are used between local electrical power generators: solar panel, wind turbine, hydro-electric, and the grid.
Net metering is an electricity policy for consumers who own renewable energy facilities (such as … solar power) which allows them to use electricity whenever needed while contributing their production to the grid.