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Who makes wind turbines in the UK?

Posted by Matthew Rhodes on 6 February 2009 at 11:55 am

Who makes wind turbines in the UK?

One of the nicer things about the wind industry, especially the small wind industry, is that there are still only a relatively small number of manufacturers and distributors in the UK, so you can get a good feel for the market quite quickly. In the sub 10kW range, the most successful companies a…

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Evacuated tubes: make sure you don’t get burnt

Posted by Gabriel Wondrausch on 4 February 2009 at 8:34 am

Evacuated tubes: make sure you donât get burnt

Evacuated tube collectors are the Formula One of the solar thermal world. They are more efficient than other types of collector as they are almost perfectly insulated, and heat cannot pass through a vacuum. As the tubes are cylindrical, they are always perpendicular to the sun reducing the amount of…

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Good Energy rewards renewable heat generators

Posted by Cathy Debenham on 3 February 2009 at 10:42 am

Solar thermal panels to heat your water just got more attractive with the launch of Good Energy's renewable heat incentive, or HotROC, contract. This means that customers who generate heat or hot water from renewable sources are paid for the energy they create. This is a first step towards pu…

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How to store heat in a thermal store

Posted by Gordon Traill on 30 January 2009 at 11:48 am

How to store heat in a thermal store

Only a serious biomass nerd can get excited about thermal stores. Sadly, I count myself as one of those people. First of all what is a thermal store and what does it do? Essentially it’s a large water tank (usually round) which is well insulated with a series of bosses to connect pipes …

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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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How much do you spend on heat and power?

Posted by Cathy Debenham on 26 January 2009 at 10:42 am

How much do you spend on heat and power?

Gas and electricity bills gobble up a significant chunk of income for most of us, but do you know how much you're spending week to week? I didn't, until a few months ago, when I discovered imeasure. By just putting a weekly reading into the site, I can find out how much I spent last week on gas…

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It never rains, it pours

Posted by Barry Nutley on 22 January 2009 at 8:54 am

It never rains, it pours

Rainwater harvesting was the focus of my last blog. Today I want to get you thinking about water, and what it means for us in the UK. Keen gardeners and allotment owners, are well aware of the issues with water. While a good bit of rain is great, a torrid downpour isn't. As an allotmenteer …

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Microgeneration high among Tory proposals

Posted by Cathy Debenham on 21 January 2009 at 9:07 am

Microgeneration high among Tory proposals

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…

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Urban micro-wind doesn't work say new trials

Posted by Matthew Rhodes on 19 January 2009 at 2:14 pm

Urban micro-wind doesn't work say new trials

Urban micro-wind doesn’t work in almost all urban contexts and has, on the whole, been poorly deployed and sold for the best part of the last three years. These are two of the objective facts set out in the report of the Encraft Warwick Wind Trials. On publishing the final report into urban m…

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Renewable energy grants still available

Posted by Cathy Debenham on 15 January 2009 at 9:23 am

Renewable energy grants still available

Homeowners who want to install energy generating equipment such as solar panels, wind turbines or biomass boilers will be able to apply for grants until June 2010. It is anticipated that a feed-in tariff should be in place by then, which will incentivise homeowners and communities to invest in micro…

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