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View blog posts for category: Solar electricity

Watch a solar PV installation in double quick time

Posted by Cathy Debenham on 28 November 2013 at 10:47 am

If you've ever wondered what's involved in a solar PV installation, these timelapse videos made by GenFit will give you a good idea of the process and some of the situations that they can be installed in: Solar PV on a timber shelter at Upton Heath Primary School   4…

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How closely should the input of an inverter match the output of a solar array?

Posted by Chris Rudge on 18 November 2013 at 10:31 am

How closely should the input of an inverter match the output of a solar array?

Q: How important is it to match the Max DC input of the inverter, to the maximum possible output of the solar array? Some companies have given me quotes where the output/input are miles different. A: It is standard procedure to install an inverter that is up to 20% lower in power rating than …

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How to check that you are getting the most out of your solar panels

Posted by EvoEnergy . on 11 November 2013 at 9:48 am

How to check that you are getting the most out of your solar panels

Q: I am not sure if we are getting the benefit of the solar panels we had fitted in 2011. In short, we appear to be using the same amount of units as we did before the panels were installed. I understand it may be different appliances in the house which are responsible for the increase in ex…

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Building integrated solar panels help power new office block

Posted by Tasha Kosviner on 8 November 2013 at 8:53 am

Building integrated solar panels help power new office block

A new office block built to exacting environmental standards aims to improve the productivity of its tenants by up to 18 per cent.  The Future Business Centre in Cambridge is a 35,000sq.ft. facility intended to provide a mix of office and workshop units and hot desk facilities for up to …

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Can I get the feed-in tariff for more than one renewable technology

Posted by Cathy Debenham on 7 November 2013 at 11:41 am

Can I get the feed-in tariff for more than one renewable technology

Q: I have already have installed a solar PV system for which I get a feed-in tariff payment. If I install a micro CHP (combined heat and power) unit, I can get the feed-in tariff for that too? A: Yes, you are eligible to apply for the feed-in tariff for as many renewable energy technologies a…

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Will I get the same feed-in tariff rate if my solar panels are storm damaged?

Posted by Cathy Debenham on 4 November 2013 at 10:01 am

Will I get the same feed-in tariff rate if my solar panels are storm damaged?

Q: Following on from the 'storm', I was wondering what would happen if any existing registered solar panels were damaged and needed to be replaced. Would they slot into the existing feed-in tariff (we got on to the higher rate before it was changed), or would they be under the new lower r…

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SMA goes zero carbon - how green are your suppliers?

Posted by Cathy Debenham on 25 October 2013 at 9:21 am

SMA goes zero carbon - how green are your suppliers?

While the empasis on selling solar panels over the past few years has been on the financial benefits, I also find it very satisfactory to think about the environmental benefits. It's great that I'm generating free electricity, but I also like knowing that I've reduced the carbon emiss…

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Tansor village hall: a case study of a solar-powered heat pump in a community building

Posted by Tasha Kosviner on 24 October 2013 at 9:27 am

Tansor village hall: a case study of a solar-powered heat pump in a community building

A village hall which is using a lottery grant to install an air source heat pump partially powered by solar panels has come up with a way of still qualifying for the government's feed-in tarrif (FiTs). Under FiT rules, installations that are funded by public money, includin…

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Is all my solar electricity being exported?

Posted by Chris Rudge on 10 October 2013 at 9:22 am

Is all my solar electricity being exported?

Q: I suspect that all the generation from my 3.12 kW Solar photovoltaic panels is being exported as since installation almost 2 years ago my electricity bills have increased rather than reduced despite over 5,000 kWh being generated. How can I check this is the case? A: Any power be…

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Will solar panels affect the warranty on my new build home?

Posted by Tasha Kosviner on 8 October 2013 at 9:10 am

Will solar panels affect the warranty on my new build home?

Q: I have a question relating to solar panels and the NHBC warranty on our new build property. We have recently moved in to a new, two bedroom bungalow in Scarborough and thought that we would get a few quotes for solar panels on the roof. On contacting NHBC regarding the 10-year warranty pr…

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How good a deal are solar panels from Ikea?

Posted by Cathy Debenham on 7 October 2013 at 10:46 am

How good a deal are solar panels from Ikea?

Famous for flat-pack furniture and its clean, Scandinavian design, Ikea is a surprise entrant into the solar PV market. With 18 massive stores in the UK it's known for value for money household goods (some would say cheap) and jokes about Allen keys. So would you trust it to sell you solar pa…

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Will solar panels affect the sale of my house?

Posted by Cathy Debenham on 1 October 2013 at 12:40 pm

Will  solar panels affect the sale of my house?

Q: I recently purchased a buy to let property with a mortgage and would like to know my options for solar panels. I would be buying the panels outright but I am unsure as to whether I can benefit from the feed in tariff as my property has a mortgage. Also would there be issues with re-selling the…

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Should I buy a device to store my solar generated electricity?

Posted by Chris Rudge on 13 September 2013 at 10:18 am

Should I buy a device to store my solar generated electricity?

Q: I have solar PV panels on my roof. There are now some devices becoming available that enable one to store the surplus electricity to use at another time, for example after dark. They are expensive to purchase though. How do they work; are they a good investment; and are there any models y…

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The UK's most energy-efficient period properties throw open their doors

Posted by Tasha Kosviner on 11 September 2013 at 11:01 am

The UK's most energy-efficient period properties throw open their doors

If you’re considering refurbishing your energy-guzzling period property to make it run more efficiently then here’s a chance to see how others have done it first. SuperHomes Open Days is a countrywide open house scheme where owners of 54 older, retrofitted homes throw open their d…

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What is the greenest way of heating our new studio?

Posted by Cathy Debenham on 10 September 2013 at 10:46 am

What is the greenest way of heating our new studio?

Q: We have planning permission to replace existing garage with a fully insulated garage and studio. What is the greenest / most efficient way of providing hot water and heating to the studio? We have mains electricity; access to plenty of wood; oil (which we use as sparingly as possible); and…

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Is the solar industry being held to ransom by DNOs?

Posted by Rupert Higgin on 30 August 2013 at 10:19 am

Is the solar industry being held to ransom by DNOs?

There appears to be little synergy or common ways of working between the seven main Distribution Network Operator companies (DNOs) in the UK, with each one having its own charges and processes.  To get the best results, solar installers need to understand their business and develop relations…

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Will my Immersun qualify for RHI payments?

Posted by Cathy Debenham on 13 August 2013 at 10:58 am

Will my Immersun qualify for RHI payments?

Q: We have recently installed an Immersun to compliment our solar PV. This is using between 4 and 6 Kw hours per day to heat our water. It was simple to install and much cheaper than our solar thermal panel in our last house. Does the Immersun (or equivalent) qualify for a renewable heat incentiv…

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What's in a brand when choosing solar panels?

Posted by Chris Jardine on 6 August 2013 at 12:04 pm

What's in a brand when choosing solar panels?

In the latest of my series of blogs looking at what makes the ‘best’ solar panel, I thought I’d look at the importance of brand name in determining product choice. Perhaps you’ve bought a new TV lately?  How did you choose what one to get? Perhaps you’ve just pi…

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My experience of staying in a Passivhaus

Posted by Cathy Debenham on 1 August 2013 at 10:31 am

My experience of staying in a Passivhaus

Having lived in a series of draughty old houses over the years, I've always wondered what it would be like living in a Passivhaus. So when i discovered there was a Passivhaus bed and breakfast in Dartington, Devon where I was due to attend a conference, I booked in. The B&B is one of …

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Reader's tip of the month - July 2013

Posted by Cathy Debenham on 29 July 2013 at 9:29 am

Reader's tip of the month - July 2013

Mark Boulton is just completing his self-build eco-house: a timber frame / hemcrete construction on a passive slab near Chipping Campden.  The house has a 9.8kW solar PV system and solar thermal panels feeding into an 800 litre thermal store. It has a bespoke energy management system wit…

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