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View blog posts for category: Solar electricity

Who deals with claims on an inverter warranty?

Posted by Cathy Debenham on 14 May 2013 at 10:52 am

Who deals with claims on an inverter warranty?

Q:I have a quote for the installation of solar panels. The quote says that the inverter is guaranteed for 10 years and that the guarantee is directly with the manufacturer; ie the installer does not wish to be involved in any guarantee claims. Is this normal? Is this contrary to the Sale of Goods…

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How voltage affects solar PV

Posted by James Page on 13 May 2013 at 9:40 am

How voltage affects solar PV

As most people will know mains voltage in the UK is  - nominally - 230V (it was 240V until we compromised with the European 220V supply).  But why does it change in both time and place even within mainland Britain? The answer to both stems from Ohm’s law. The voltage drop in t…

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Feed-in tariff rates for solar PV to fall by 3.5% from 1 July 2013

Posted by Cathy Debenham on 9 May 2013 at 12:25 pm

Feed-in tariff rates for solar PV to fall by 3.5% from 1 July 2013

Feed-in tariff rates for all solar PV installations under 50kWp will fall by 3.5% from 1 July, even though the  levels of installation to trigger a fall has not been reached. Under the government's rules the three monthly degression can be skipped for two quarters if uptake is low, after…

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Building Control regulations for solar installations in Northern Ireland

Posted by Andy Baird on 3 May 2013 at 9:15 am

Building Control regulations for solar installations in Northern Ireland

Building Regulations is one of the most common things we’re asked about during initial enquiry and survey stage. This isn’t the sexiest of subjects when discussing solar PV, but it is important to understand the rules from the outset. In most cases, and without exception if solar is t…

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Which solar panels are best?

Posted by Chris Jardine on 25 April 2013 at 12:10 pm

Which solar panels are best?

Choosing the best solar panel is a bit like choosing the best sandwich for your lunch. What’s better for you – a BLT or a cheese and pickle sandwich? Well, the cheese sandwich wins in terms of lower calories and lower fat, but the BLT contains more protein and more vitamins and nutrie…

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How can I prevent my solar PV panels being stolen?

Posted by Cathy Debenham on 17 April 2013 at 9:32 am

How can I prevent my solar PV panels being stolen?

Q: I have a holiday home in France and I'd love to install solar. my concern, however, is the risk of theft. The property is quite isolated and we won't be there a lot of the time. Is it easy to take down solar panels? Are there more portable panels that lend themselves to this bette…

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Is my roof strong enough to take solar PV?

Posted by Chris Rudge on 25 March 2013 at 9:33 am

Is my roof strong enough to take solar PV?

Q: I live in an old stone cottage (c 1830) with roof rafters that I'm sure wouldn't pass current building regs for strength, even though they're not the original ones. The walls seem sound enough though. Would it be possible to put up a solar pv array that was supported on the 2 end w…

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Five reasons why now is a really good time to install solar PV

Posted by Cathy Debenham on 21 March 2013 at 9:46 am

Five reasons why now is a really good time to install solar PV

If you want to generate your own electricity there's not likely to be a better time than now to install solar PV panels. Global oversupply of solar panels has led to tumbling prices - but experts predict that this may not last. The feed-in tariff - the government's incentive for the t…

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Find out how well solar PV works in bad weather

Posted by Chris Jardine on 19 March 2013 at 9:11 am

Find out how well solar PV works in bad weather

Snow in March? Last summer was dreadful, and seemed to rain constantly. Seems like we’ve had bad weather for ages now, and a period of prolonged sunshine seems eons ago.  So we might expect the performance of solar PV systems to be equally poor over the same period of time.  But j…

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The shock of the new: a poet's response to a solar field

Posted by Chloe Uden on 18 March 2013 at 9:27 am

The shock of the new: a poet's response to a solar field

Those of us who think renewables are a good idea are usually really keen that everybody else would share our views, and often disappointed when they don’t for whatever reason. It can be tempting to think that if only we were more logical, or more convincing, or more impervious to detractors…

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Renewable technologies work together at Devon vineyard

Posted by NicoleYouGen on 11 March 2013 at 10:50 am

Renewable technologies work together at Devon vineyard

Different renewables technologies can complement each other when used in tandem, as Pebblebed Vineyard’s Clyst St. George Vineyard in Devon shows. A solar thermal system became the farm's newest renewable energy installation in November 2011, adding to solar PV and a…

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Readers tips of the month disagree about solar switching devices

Posted by NicoleYouGen on 28 February 2013 at 9:02 am

Readers tips of the month disagree about solar switching devices

This month, our readers have given some conflicting tips about solar heater switching devices. Ted from Cornwall installed an Immersun system to route surplus power from the solar panels into the immersion on the cylinder. He is happy and says ‘even in February the panels are…

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Don't limit your solar PV system to 4kWp

Posted by Gabriel Wondrausch on 27 February 2013 at 9:37 am

Don't limit your solar PV system to 4kWp

During a typical week at SunGift Solar I can visit a huge range of people. From young professional couples eager to gain an additional income from the feed-in-tariff, through middle aged families looking for security against increasing electricity costs, to Eco-warrior pensioners who want to save…

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The business significance of the Government's solar step change

Posted by Phil Nelms on 14 February 2013 at 8:34 am

The business significance of the Government's solar step change

The addition of Solar PV to the government’s Renewables Roadmap is highly significant. After a year dominated by cuts, consultations and legal challenges in the solar industry, as well as rising fossil fuel prices for everyone else, that there has been an attitude shift within the corridors…

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Estimates of solar PV will improve with launch of new PV Guide

Posted by Cathy Debenham on 11 February 2013 at 9:46 am

Estimates of solar PV will improve with launch of new PV Guide

The estimated performance of solar PV systems will be significantly more accurate in future, following the publication of the long awaited new PV Guide, and the newly updated standard MIS3002 issue 3.0. The new standards for solar PV installations were finally launched last week by Climate Ch…

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NIROC: the financial incentive for solar PV in Northern Ireland explained

Posted by Andy Baird on 4 February 2013 at 9:07 am

NIROC: the financial incentive for solar PV in Northern Ireland explained

Since 2002, solar PV has been installed in Northern Ireland across schools, colleges, local council buildings and hundreds of social and private homes.  Although Northern Ireland doesn’t have FiTs (Feed In Tariffs), there are still three ways you will save money and make money by going…

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Is the extension of my solar PV system eligible for higher rate FITs?

Posted by Cathy Debenham on 21 January 2013 at 9:08 am

Is the extension of my solar PV system eligible for higher rate FITs?

Q: We originally installed 7.23 kW Solar PV for our home a few years back that qualified for the higher band of feed-in tariff (FIT). Just this month we have installed an extension of an additional 15 kW. We understood this to be an extension to the original system and that the extension would be…

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Is Solar PV a fire hazard?

Posted by Paul Hutchens on 7 January 2013 at 9:50 am

Is Solar PV a fire hazard?

Q: Are you aware of Times article and web site pvsolardoctor.com which claims PV panels are a fire risk if water enters the wiring system? A: This question has resulted in a lot of research and investigation and the answer is, unfortunately, a bit involved. Generating your own electricity…

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Gas or electric heater with solar panels?

Posted by Cathy Debenham on 20 December 2012 at 11:25 am

Gas or electric heater with solar panels?

Q: In discussions of draught proofing a room I realise that a lot of heat must be drawn up the flue behind my gas fire & therefore wasted due to its inevitable escape to the environment. Would it be worth it to replace my gas fire in the lounge by an electric fire with resultant minimal loss …

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Review of Amelec Intelligent Solar Switch

Posted by Chris Rudge on 17 December 2012 at 9:27 am

Review of Amelec Intelligent Solar Switch

For the cost, this looks to be really good value. The Amelec Eco2 Solar Switch is housed in a standard electrical housing such as used for consumer units and the like. As can be seen from the photo, it also has a standard DIN rail for fitting your selection of MCB/ RCD depending on application …

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