A grid-connected photovoltaic system or photovoltaic system connected to the grid is a solar photovoltaic system connected to the grid. A photovoltaic system connected to the grid consists of solar panels, one or more inverters, a power conditioning unit and a grid connection equipment. They range from small residential and commercial rooftop systems to large utility-scale solar power plants. Unlike standalone power systems, a system connected to the network rarely includes an integrated battery solution, as they remain very expensive. When the conditions are correct, the photovoltaic system connected to the grid supplies the surplus energy, beyond the consumption by the connected load, to the electricity grid.
Residential ceiling systems connected to the grid that have a capacity of more than 10 kilowatts can satisfy the burden of most consumers. They can feed the excess energy to the network where it is consumed by other users. The feedback is done through a meter to monitor the energy transferred. The photovoltaic voltage may be less than the average consumption, in which case the consumer will continue to buy power from the grid, but less than previously. If the photovoltaic power substantially exceeds the average consumption, the energy produced by the panels will be much higher than the demand. In this case, excess power can generate revenue by selling it to the grid. Depending on your agreement with your local network power company, the consumer only has to pay the cost of the electricity consumed minus the value of the electricity generated. This will be a negative number if more electricity is generated than the one consumed. In addition, in some cases, cash incentives are paid from the network operator to the consumer. The connection of the photovoltaic energy system can only be made through an interconnection agreement between the consumer and the utility. The agreement details the different security standards to follow during the connection.