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THE OFF-GRID

STANDALONE PV POWER SYSTEM

An off-grid standalone PV Power system suitable for remote areas as islands where there are limited access to electricity from the national power grid. This solution can be designed with renewable energy resources such as solar or wind energy combined with diesel generators and back-up batteries for continuous electricity supply 24/7.

THE GRID-TIE

PV POWER SYSTEM

A grid-tie PV Power system is especially suitable for areas where the national power grid is available. This system will use the photovoltaic power as the first priority power supply for the electrical appliances. If the electric power comes in excess, this surplus of energy will be transferred to the national power grid. When the system is short of electricity, it will take power from the national grid as a supplementary power source.

The grid-tie system’s advantages are the lowest investment cost compared to the other PV solutions, sustainability and longevity.

The grid-tie system’s drawback is the shutdown of the system when the electricity from the national power grid is cut off.

THE GRID-INTERACTIVE

PV POWER SYSTEM

A grid-interative PV power system is the same as a grid-tie PV power system but the former comes equipped with back-up batteries.

The grid-interactive system’s advantage is to maintain the power supply to the load even when the national power grid is cut off. It is suitable for the areas where electricity suppliers are unstable.

The grid-interactive system’s drawback is the higher investment cost in comparison with the grid-tie system.