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Solar Panels

How Solar Works

  • Light from the sun contains many tiny bits of energy called photons.

  • Some of these photons hit solar modules, which consist of many connected solar cells.

  • Photons hitting the top layer of a solar cell cause electrons to flow through the bottom layer.

  • This movement of electrons generates direct current (DC) electricity that flows to an inverter.

  • Inverters convert DC electricity into alternating current (AC) electricity.

  • AC electricity is used to power the building, reducing its electricity bills and carbon emissions.

  • This solar electricity can also charge an energy storage system or flow back into the grid to other buildings.

Solar Panel direction explained for the best results!

SOUTH

The primary benefit of a south-facing solar panel array is that more power can be generated by each panel. South-facing solar panel installations achieve impressive peak performance, although this is only for a limited time.

EAST

A solar panel installation facing east will achieve peak output during the early morning as the sun rises. System output will reduce slowly as noon approaches before trailing off in the afternoon.

WEST

There is little difference between the output performance of east and west-facing solar panels. Unlike east-facing installations, panels facing west will achieve peak output at mid-afternoon. Performance then trails off as the evening approaches.

EAST-WEST

For many owners, the performance of an east-west system most closely matches on-site energy needs. Combining both east and west-facing panels, you can achieve steady output throughout the morning and afternoon.

How an Inverter Works

A vital part of the Solar PV system is the Inverter. A solar inverter works by taking in the variable direct current, or ‘DC’ output, from your solar panels and transforming it into alternating 120V/240V current, or ‘AC’ output.

The appliances in your home run on AC, not DC, which is why the solar inverter must change the DC output that is collected by your solar panels

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These panels are European made and come with a 30-year Performance Warranty. They are the latest half cell technology. Implementing half-cut cells in solar panels can help improve the power output of a solar panel system. Half-cut solar cells are exactly what their name suggests – they are traditional silicon solar cells that have been cut in half using a laser cutter.

Since the cells are physically smaller, they are more averse to cracking.

A half-cut cell carries half the current and a quarter of the resistance of a full cell. So a complete half-cell module has the same current but half the resistance of a regular module. Resistance = wasted power, meaning a half cell solar panel can boost output by around 3%.

A regular panel is made up of 3 rows of cells connected in series with bypass diodes. If one cell is shaded, a third of the panel’s output can be lost. But in a half-cut panel, there are 6 rows of cells. So, if one of the cells is shaded, only a sixth of the output is lost.

With a lower current in each cell, there’s less heat concentration.

 Roof space can be saved using half cell technology.