An on-grid solar system, also known as a grid-tied solar system, is a popular choice for solar panel installation in Lucknow, functions alongside the grid. Accordingly, any excess or shortage of energy can be fed into the grid through net metering. Since they may receive credit for any excess power their system generates and cut their electricity costs, many home customers are choosing on-grid solar systems. Either from the grid or the solar system, you will always have power. They are battery-free.