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Microgeneration high among Tory proposals
Posted by Cathy Debenham on 21st January 2009 at 9:07 am
Large scale use of renewables are part of the Conservative party's plans for a low carbon economy published last week. With a feed-in tariff, they hope homes, businesses, schools and hospitals will contribute the electricity they produce into the national grid, earning money in the process. To m…
Posted in: General, Energy efficiency
PV systems need an efficient inverter
Posted by Graham Eastwick on 15th May 2009 at 11:07 am
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…
Posted in: Solar electricity
What size and type of turbine is most suitable for my site?
Posted by Graham Eastwick on 26th June 2009 at 10:28 am
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…
Posted in: Wind turbines
Island grid increases energy security aspect of microgeneration
Posted by Cathy Debenham on 28th September 2009 at 10:04 am
Security of electricity supply is one of the main reasons that people install their own solar panels or wind turbine. However, a system that is connected to the national grid currently doesn't afford total control. The benefit of grid connection is that you can sell any excess you generate to the…
Posted in: Hydro electricity, Solar electricity, Wind turbines
Can you heat a house with a wind turbine?
Posted by Graham Eastwick on 18th December 2009 at 9:39 am
A reader has asked if it is possible to heat a house with a wind turbine. The simple answer is that it is possible, but it's unlikely to be the best solution. Heating demand depends on the construction of the home and the weather. A home requiring a 13kW boiler will need a maximum of 13 x 24 kWh …
Posted in: Wind turbines
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