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View blog posts for category: Solar electricity

Selling the electricity you generate

Posted by Cathy Debenham on 1 June 2009 at 10:12 am

Selling the electricity you generate

If you think that choosing your utility supplier is complex and painful, then just wait until you start exploring the tariffs for exporting the electricity you generate back to the grid.  There are two main ways of selling your electricity. Some suppliers pay for all the electricity you gen…

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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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Calculators shed light on renewable choices

Posted by Cathy Debenham on 25 March 2009 at 11:16 am

Calculators shed light on renewable choices

Comparing costs of different renewable technologies and working out potential savings in cash and carbon has just got a whole lot easier. Encraft has developed a range of calculators that help you work out all the figures, so that you can see what's best for your house much more easily. Anyone can u…

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Maldives to be powered by wind and solar

Posted by Cathy Debenham on 20 March 2009 at 10:35 am

Maldives to be powered by wind and solar

The President of the Maldives has set an example for the world by announcing that his country will be carbon-neutral within a decade. Half a square kilometre of rooftop solar panels, 155 large wind turbines and a biomass plant burning coconut husks will generate the electricity the island country ne…

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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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Scots make renewable energy easier

Posted by Cathy Debenham on 23 February 2009 at 11:06 am

Scots make renewable energy easier

The Scottish Government has made it easier for people to get renewable energy for their home following a consultation on planning reform. The aim of the consultation was to increase renewable energy generation and cut carbon emissions. The result is that anyone living in Scotland will be able to ins…

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Grants for Solar PV projects on community buildings

Posted by Graham Eastwick on 13 February 2009 at 9:22 am

Grants for Solar PV projects on community buildings

Grants are in the news again! The tranche of cash recently added to the Low Carbon Building Programme phase 2 looks likely to be exhausted towards the end of this month. If you have a community project that requires funding from this programme, my advice is to make sure that you get the application …

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Optimising solar pv siting

Posted by Graham Eastwick on 28 January 2009 at 8:34 am

Optimising solar pv siting

It’s obvious that solar PV systems need as much sunlight as possible – so the ideal is to position them at about 37 degrees to the horizontal (in the UK) and facing due South. Even better, if you can afford one, are tracker systems that ensure the modules follow the sun through the sky – altho…

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Solar panels are flexible and easy

Posted by Graham Eastwick on 9 January 2009 at 8:35 am

Solar panels are flexible and easy

Solar PV (photovoltaic) is a great technology because it is so flexible and easy to manage. In most cases, once you have fitted it and connected to the grid you can forget about it, and watch your carbon emissions and energy costs fall and stay down for the next 25 years or so. One of the many p…

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Getting the best out of solar panels

Posted by Cathy Debenham on 16 December 2008 at 4:20 pm

Get a few people with solar panels together (as happened this weekend) and inevitably there's discussion about how to get the most out of your solar thermal system. This is probably because the amount of hot water generated by solar thermal systems is dependent on how we use the system (as was confi…

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Feed-in tariff likely to boost microgeneration

Posted by Cathy Debenham on 10 November 2008 at 10:44 am

How lovely (and how rare) to be applauding an announcement from the Government. Not only has the newly appointed energy and climate change secretary, Ed Miliband, just committed the UK to the 80 per cent cuts in greenhouse gases by 2050 that scientists say we need, but he’s also promised a feed-…

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