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How they work

Photovoltaic (PV) materials and devices convert sunlight into electrical energy. A single PV device is known as a cell. An individual PV cell is usually small, typically producing about 1 or 2 watts of power. To boost the power output of PV cells, they are connected together in chains to form larger units known as modules or panels. Modules can be used individually, or several can be connected to form arrays. One or more arrays is then connected to the electrical grid as part of a complete PV system. Because of this modular structure, PV systems can be built to meet almost any electric power need, small or large.

Photovoltaic Solar Cells

Commonly known as solar cells, individual PV cells are electricity-producing devices made of different semiconductor materials. PV cells come in many sizes and shapes, from smaller than a postage stamp to several inches across. Solar cells are often less than the thickness of four human hairs. In order to withstand the outdoors for many years, cells are sandwiched between protective materials in a combination of glass and/or plastics to make a PV module. 

Photovoltaic Solar Energy Systems

PV modules and arrays are just one part of a PV system. Systems also include mounting structures that point panels toward the sun, along with the components that take the direct-current (DC) electricity produced by modules and convert it to the alternating-current (AC) electricity used to power all of the appliances in your home. 


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Batteries that Store Solar Power for your Home or Business

The system is relatively simple. Your solar panel system connects to a battery controller inverter and a changeover unit. Just think of you car, the generator charges your battery.

The power from the solar panels charges the batteries. The batteries supply the house. Any solar power that is left over gets sent back to the grid as normal. Your feed in tariff is not effected. In the event of a power cut a traditional solar panel system would cut out (stop working) under what is known as the G83 regulations. (G59 regulations for anything over 4kW per phase).

However we provide a system that takes care of the regulations. If there is a power cut the battery controller stops any power going onto the grid with its own g83 and g59 settings and the batteries continue to take care of the household basic electricity needs.

This includes the solar PV, that continues to charge the batteries until they are full. Once full if the grid is still out then the solar will cut out until the batteries need more charge. If the grid comes back online and the batteries are fully charged then the solar power will export to the grid as normal.