Smart Export Guarantee
Introduction
Smart Export Guarantee (SEG) provides an opportunity to sell unused solar energy back to the grid. This income can help offset energy bills, however the rates that energy companies buy electricity back for is much lower than the costs of buying electricity from that same provider. It is therefore always cheaper to use the electricity created by the solar power, rather than using energy from the grid when your solar PV isn’t producing energy.
To benefit from SEG, you can use the same energy company that you purchase your electricity from. Alternatively, you can enter a contract with a different supplier.
You must have a good understanding of how much energy you use, and at what times of the day, to ensure you choose the right tariff. If you’re using a lot of energy in the evenings or overnight, and less energy during the day, you will want a tariff where your purchase price for electricity is as low as possible. This is because your use of energy is outside the main sunlight hours, when solar is productive, which means you will have to continue purchasing energy from the grid. However, you will also be exporting more energy to the grid in the day, so finding a high tariff for your export will be beneficial.
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