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Grid connect systems, the most common in built up areas, supply electricity generated by the sun directly to the household and to the electricity grid if the system is providing more energy than needed. When this extra power is supplied to the main grid, the homeowner receives a credit or payment for it. This is called a feed in tariff.

Through a feed in tariff, Enemalta pays the consumer for the electricity the consumer feeds into the grid. There are two types of such tariffs, full and partial export. With a full export feed in tariff a premium is paid on all electricity produced whereas with a partial export feed in tariff payment is due only on the surplus energy created by the system.

Obviously, the sun’s energy varies according to the seasons, time of day and the latitude of the generation point. In addition, the amount of energy that the system generates varies according to the following:

• Dust and humidity
• Clouding cover
• Shading of the solar panels
• Quality of the solar modules.

It certainly does. Solar panels facing north will generate far less than those facing south. East/west installations can work too, depending on the installation scenario.

It depends on a range of factors - your energy usage, whether the residence is supplied by a single or a three-phase meter, installation area and geographical location.

Any size grid connect solar power system will reduce your yearly consumption and reduce your bill. Naturally, the bigger the system, the bigger the benefit.

To make the most of solar power, the key is to implement simple energy efficiency strategies, like appropriate lighting and efficient appliances.

You need to evaluate several aspects to determine if your home is right for solar panels. Aspects like orientation, space available, shadows and your current electricity usage all come into play. A south-facing roof with no shade is ideal. Variations on it will cut into the productivity of the system.

Even good solar modules show small reductions in power output after 20 years, mostly because the glass surface becomes a bit dull and reflects more light. All Electrofix solar panels carry a performance warranty of 25 years.

• Solar Panels: 25 year product warranty and 25 year performance guarantee
• String Inverters: 25 year product warranty
• Micro inverters: 25 years product warranty
• Aluminium Structure: 25 years

Most insurers will allow you to include the system under your home and contents insurance. But it is advisable to check with the insurance company first.

Yes you can get additional solar panels at any time to increase generating capability. But you might have to upgrade to a larger inverter.

Solar panels generally require very little maintenance. The only thing they need is periodic light cleaning to make sure dirt and other debris are not obstructing the sun's rays. The only time you may need more extensive maintenance is during periods of heavy rain dust.