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2009 is the year for hydro power

Posted by Matthew Rhodes on 8 June 2009 at 6:12 am

2009 is the year for hydro power

For reasons that escape me, we have been asked to do more small scale hydro power projects this year than ever before. Hydro projects are a personal favourite of mine because they are the most bespoke of any renewables, and because they often involve the most interesting local issues. History comes …

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Solar photo competition

Posted by Cathy Debenham on 5 June 2009 at 10:09 am

Solar photo competition

We Support Solar is running a photography competition to celebrate daylight in the UK. The campaign group is a network of organisations (including YouGen) and individuals who want solar power to be an important part of the renewable energy mix in the UK. To enter the competition you need to take…

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Windows: single, double or triple glazing

Posted by Tim Pullen on 3 June 2009 at 10:07 am

Windows: single, double or triple glazing

If you are thinking about changing your windows you will need to think about U-values. A U-value measures of the rate at which heat escapes through a fabric, so the lower the figure, the better.  A U-value of zero means that no heat is escaping.  It is expressed as Watts per square metr…

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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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A short break

Posted by Cathy Debenham on 22 May 2009 at 9:57 am

A short break

YouGen's bloggers will have a week off while I go on holiday. Normal service returns from 1 June. …

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Solar thermal for space heating

Posted by Gabriel Wondrausch on 21 May 2009 at 10:23 am

Solar thermal for space heating

I am often asked whether a solar thermal system can be used for space heating as well as for hot water. Technically, it can.  However in most cases it is neither cost effective nor energy efficient to do so.  The cost of upgrading the system to work with space heating as well as hot w…

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Support for solar hot water in Warwick

Posted by Cathy Debenham on 20 May 2009 at 10:18 am

Support for solar hot water in Warwick

Doubling the number of solar hot water systems installed homes in Warwick District is the aim of a great new project to support homeowners. The Solar 300 Challenge was launched last week by Action 21, a social enterprise which helps people live more sustainably. Their aim is to encourage more p…

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Rainwater harvesting is good for business

Posted by Barry Nutley on 18 May 2009 at 11:08 am

Rainwater harvesting is good for business

Rainwater harvesting systems can provide a variety of economic benefits to businesses. Alongside the standard irrigation and toilet flushing, it can also be used for cooling systems. In some areas it also reduces the risk of flooding. Generally, the systems with the fastest payback periods us…

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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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Electricity meters about to get smarter

Posted by Cathy Debenham on 13 May 2009 at 1:55 pm

Electricity meters about to get smarter

A smarter grid, more suitable for transmitting renewable energy, is a step closer with the Government’s announcement on Monday that every home in the UK must have a smart meter installed by 2020.Smart meters transmit and receive information from your electricity or gas supplier in real time. This …

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Energy measuring brings highs and lows

Posted by Cathy Debenham on 11 May 2009 at 11:27 am

Energy measuring brings highs and lows

I find energy use and carbon emissions difficult to get my head around. You can’t see them or touch them. A monthly direct debit or quarterly bill are distant from the actual use you make of gas, electricity or oil. However, I’ve found a way to make them more visible. I’ve been measuring my us…

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What's the point of a cavity wall?

Posted by Tim Pullen on 5 May 2009 at 2:30 pm

What's the point of a cavity wall?

Once again I recently surprised a client by suggesting that single-skin timber-frame wall construction would be a good idea. Shock and horror hardly describe it. It was like I suggested that his children be sold into slavery to fund the new home. But think about it, what is the point of the cavity? …

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Kevin McCloud champions energy efficiency

Posted by Cathy Debenham on 29 April 2009 at 8:03 pm

Kevin McCloud champions energy efficiency

Self-build guru Kevin McCloud has added his weight to the call for more energy efficient homes, with the launch of the Grand Designs Great British Refurb campaign. While we know and love him for bringing the ups and downs of building a dream home into our living rooms, Kevin is focusing firmly on ex…

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YouGen community starts here

Posted by Cathy Debenham on 27 April 2009 at 9:52 am

YouGen community starts here

Last week a dream became reality for me. Three and a half years after I threw my hands in the air and bought a condensing gas boiler because, despite days of research, I couldn't be sure whether the various biomass boilers suppliers were trying to sell me were appropriate for my house; whether there…

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Draughts can be cured

Posted by Tim Pullen on 22 April 2009 at 10:11 am

Draughts can be cured

“What is the one thing everyone should do?” is the question I get asked most often by newspapers, interviewers and the like. What they want are some pearls of wisdom on solar panels or heat pumps or some such. But the, perhaps disappointing, answer is draught proofing. In an older property dr…

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Great British Refurb gets the thumbs up

Posted by Cathy Debenham on 21 April 2009 at 2:34 pm

Great British Refurb gets the thumbs up

Generating your own renewable energy, increased energy efficiency and whole-house eco-makeovers received the thumbs up from the UK public yesterday, according to new research. The survey aimed to establish what is needed for the public to take action to install renewable energy and generation and en…

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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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Renewable energy made normal

Posted by Cathy Debenham on 15 April 2009 at 8:19 am

Renewable energy made normal

Congratulations to the Forestry Commission in Wales which is doing a great job of bringing renewable energy into the mainstream. We had a well-earned rest over Easter at Nant yr Arian, near Aberystwyth. Though our main reason for going there was the excellent mountain bike tracks they've built there…

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Ban power showers?

Posted by Barry Nutley on 11 April 2009 at 10:15 am

Ban power showers?

Banning power showers was the subject of a debate on Jeremy Vine's show on Radio 2 last Monday. It prompted many a response from listeners. The facts surrounding our lack of water in many parts of the UK are reasonably well documented (including on previously blog posts on this site), so the idea is…

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Every home a low-carbon home

Posted by Cathy Debenham on 8 April 2009 at 1:55 pm

Every home a low-carbon home

Friends of the Earth reacted to Gordon Brown's promise today that he would set out measures to make Britain a world leader in producing and exporting electric cars in this month's budget with calls for investment in renewable energy. "Gordon Brown's electric dream is commendable but essent…

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