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What size and type of turbine is most suitable for my site?

Posted by Graham Eastwick on 26 June 2009 at 10:28 am

What size and type of turbine is most suitable for my site?

Choosing the best wind turbine for your site will depend on a number of factors. The first thing is to determine if you have enough wind. A national database of wind speeds is available and will give you an indication of the wind speed at your home. This can be accessed fr…

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PV systems need an efficient inverter

Posted by Graham Eastwick on 15 May 2009 at 11:07 am

PV systems need an efficient inverter

Photovoltaic (PV) cells and modules are only part of the picture when you consider the efficiency of a solar electricity generating station. Key to an effective PV system is an efficient inverter, which converts the direct current (DC) electricity produced to AC (alternating current or mains equiv…

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Support for microgenerators increased this month

Posted by Graham Eastwick on 20 April 2009 at 8:42 am

Support for microgenerators increased this month

Financial incentives for people generating electricity with photovoltaic solar panels (PV) are provided though the system of renewable obligations certificates, (commonly referred to as ROCs). All electricity providers have to buy these certificates each year, in proportion to the amount o…

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PV shipments grow as community grants dry up

Posted by Graham Eastwick on 18 March 2009 at 10:29 am

PV shipments grow as community grants dry up

Shipments of photovoltaic (PV) panels (solar electricity) are growing year on year at a rapid rate around the world. Much of this is driven by multi-MW PV farms or so called Solar Parks. These require large areas of land and are best suited to sunnier climes and places where land is more available. …

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Efficiency or cost per watt - which is most important?

Posted by Graham Eastwick on 2 March 2009 at 1:56 pm

The development of thin film photovoltaics (PV) is progressing fast. It's still not as efficient as crystalline silicone solar panels, but I have read of projects using thin film technologies from single roofs up to large “solar farms” with capacities in the region of 40 MW. Crystalline…

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