Grid-Tie Solar PV system or grid-connected photovoltaic system is an electricity generating solar PV power system that is connected to the utility grid.
In a grid-connected PV system, one or several inverters, a power conditioning unit and grid connection are included.
They range from small residential and commercial rooftop systems to large utility-scale solar power stations.
Unlike stand-alone power systems, a grid-connected system rarely includes an integrated battery solution, as they are still very expensive. When conditions are right, the grid-connected PV system supplies the excess power, beyond consumption by the connected load, to the utility grid.
Advantages and Features of Grid Tie Solar PV system
It can offset a customer’s electricity
Grid-tie solar PV systems such as Net Metering and Feed-in Tariff which are offered by some system operators can offset a customer’s electricity usage costs. In some locations though, grid technologies cannot cope with distributed generation feeding into the grid, so the export of surplus electricity is not possible and that surplus is earthed.
Easy to Install
Grid-connected PV systems are comparatively easier to install as they do not require a battery system.
Storage Losses not involved
Grid interconnection of photovoltaic (PV) power generation systems has the advantage of effective utilization of generated power because there are no storage losses involved.
A Carbon-Negative System
A photovoltaic power system is carbon-negative over its lifespan, as any energy produced over and above that to build the panel initially offsets the need for burning fossil fuels. Even though the sun doesn’t always shine, any installation gives a reasonably predictable average reduction in carbon consumption.
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