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New Hornsea 1.2GW wind farm off Yorkshire coast will help power up to 1 million homes

Posted by Anna Carlini on 8 February 2016 at 9:50 am

New Hornsea 1.2GW wind farm off Yorkshire coast will help power up to 1 million homes

The Yorkshire coast is preparing to host the world’s largest off-shore windfarm after the deal made with Danish energy giant DONG. The project is unprecedented in size and cements the UK’s presence at the forefront of offshore technology. The present first and second largest offsh…

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Can you source or supply your own wood fuel for your biomass boiler and keep your RHI payments?

Posted by Jason Ramsdale on 5 February 2016 at 10:35 am

Can you source or supply your own wood fuel for your biomass boiler and keep your RHI payments?

Working out what you need to do to secure your Renewable Heat Incentive (RHI) payments when sourcing your own supply of wood fuel may look daunting. Start with our flow chart below to determine what route is best to take then you can skip to the relevant section for what you need to know. …

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4.39p/kWh Feed-in Tariff rate takes effect on 8 Feb 2016

Posted by Anna Carlini on 3 February 2016 at 9:35 am

4.39p/kWh Feed-in Tariff rate takes effect on 8 Feb 2016

The new Feed-in Tariff (FiT) rate takes effect on 8 Feb 2016. Any domestic solar panels installed from then onwards will receive 4.39p per kilowatt hour of renewable electricity generated. This is a 65% cut on the 12.47p it would have previously received. The new rates follow a period of a no…

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SSE to deliver 5.3% gas price cut from 29 Mar 2016

Posted by Anna Carlini on 2 February 2016 at 10:15 am

 SSE to deliver 5.3% gas price cut from 29 Mar 2016

SSE has followed in the footsteps of E.On and cut its standard gas tariff by a slightly higher 5.3%. This comes amid calls for energy giants to pass on some of the savings from the fall in price of wholesale gas which is down by 51% since the end of 2013. They claim that this cut will re…

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Cold homes persist as high energy costs and energy efficiency grant cuts bite

Posted by Gabby Mallett on 1 February 2016 at 11:40 am

Cold homes persist as high energy costs and energy efficiency grant cuts bite

This weekend, people will die of cold in their own homes, or perhaps not die of cold, but of a pre-existing medical condition which is exacerbated by living in a cold home. Finally the energy companies are beginning to reduce their fuel costs, but mostly too late for any benefit this winter. …

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What are the pros and cons of a ground-based solar PV system?

Posted by Jason Ramsdale on 29 January 2016 at 11:05 am

What are the pros and cons of a ground-based solar PV system?

The majority of the solar PV systems installed in UK communities have been roof-mounted. While this may take advantage of unused space on your property there is the option of ground-mounting your array which has its own pros and cons which I outline below. Pros of ground-mounted arrays: …

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immerSUN installation and first impressions

Posted by Jane Richardson Hawkes on 27 January 2016 at 9:40 am

immerSUN installation and first impressions



Jane Richardson Hawkes shares her first impressions of her new immerSUN unit. She recently had this installed in her home in the South East of England where she lives with her partner. This is her first report in a series of three:
 Why an immerSUN? Using as much of our PV generat…

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What are Tariff Information Labels, Tariff Comparison Rates and Personal Projections and how do they help get the best deal on energy bills?

Posted by Jason Ramsdale on 26 January 2016 at 9:40 am

What are Tariff Information Labels, Tariff Comparison Rates and Personal Projections and how do they help get the best deal on energy bills?

Tariff Information Labels (TILs) were introduced in 2014 by Ofgem to provide clarity to customers when they are shopping for the best energy deal. They include everything you need to know to understand the energy plan and compare costs between tariffs. The top section of the TIL has to includ…

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Are you paying too much for your energy?

Posted by Gabby Mallett on 25 January 2016 at 10:45 am

Are you paying too much for your energy?

Oh, how many times have I thought about this? Back in 2012 Cathy Debenham promoted switching energy supplier. Well now there is even more reason to switch, because we are all paying TOO MUCH! It turns out that most of our energy companies are overcharging us. And there really is nothing to st…

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E.On announces 5.1% cut in gas prices

Posted by Anna Carlini on 21 January 2016 at 11:30 am

E.On announces 5.1% cut in gas prices

Energy Provider E.On has just announced a 5.1% cut in their gas prices. It is the first of the 'big six' energy providers to make cuts in the last six months. It is long-awaited news, but not everyone is greeting it with open arms. British Gas lowered their gas prices by 5% in Au…

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Can a green roof and solar PV system work well together?

Posted by Jason Ramsdale on 20 January 2016 at 10:05 am

Can a green roof and solar PV system work well together?

What is a green roof? A green roof is a roof fully or partly covered in vegetation. It is a layered system. You'll need a strong, waterproof, roots-resistant membrane at the bottom, then a growing medium like soil, then finally the vegetation on top. In some climates they also include an …

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Is there an eco-friendly alternative to concrete?

Posted by Jason Ramsdale on 18 January 2016 at 10:50 am

Is there an eco-friendly alternative to concrete?

Whether it’s building a house or laying the foundations for your new conservatory or for stabilising your new solar ground array there is no denying that concrete is a fantastic building material. Concrete is: Economical with readily available ingredients Long lasting and low …

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Is using tealight candles to heat your room energy efficient?

Posted by Jason Ramsdale on 15 January 2016 at 9:50 am

Is using tealight candles to heat your room energy efficient?

In a word, No! ... despite the internet craze of using clay flowerpots to store and dissipate the heat energy from burning tea light candles. The first law of thermodynamics, also known as Law of Conservation of Energy, states that energy cannot be created or destroyed in a chemical reaction.…

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How can you cut student energy bills?

Posted by Jason Ramsdale on 13 January 2016 at 10:15 am

How can you cut student energy bills?

I can honestly say I have done and still do all of these as a PhD student! Heat fewer rooms. (The living room is top priority.) Wear a hat, gloves and slippers. Keeping your hands, feet and head warm goes a long way to making you feel comfortable. Put an extra blanket on your …

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Renewable energy tops our wish list for more national infrastructure

Posted by Gabby Mallett on 11 January 2016 at 9:45 am

Renewable energy tops our wish list for more national infrastructure

What do we the public want from the new National Infrastructure Commission? Actually many of us want renewable energy.  A recent survey of 2,000 members of the public identified that 43% wanted renewable energy to be our investment priority for the UK , followed by 39% highlighting housebuil…

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How does a domestic micro-CHP boiler work?

Posted by Sharon Russell-Verma on 8 January 2016 at 12:15 pm

How does a domestic micro-CHP boiler work?

Micro combined heat and power (Micro-CHP) technologies generate both heat and electricity at the same time. They have a small fuel cell or heat engine which drives a generator and provides electric power and heat to a building. At a district scale, marine marine diesel engines modified to run…

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Airbricks, Flooding and Cavity Wall Insulation

Posted by Jason Ramsdale on 6 January 2016 at 4:45 pm

Airbricks, Flooding and Cavity Wall Insulation

Airbricks are hollow, vented blocks that are placed into walls to allow for air circulation in the subfloor of houses with suspended timber floor. This air circulation is designed to prevent the underfloor space becoming damp and stale. Damp problems can occur if airbricks are blocked, flooded, c…

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How much will V2G cost and when, where and who will make it happen?

Posted by Jason Ramsdale on 4 January 2016 at 12:30 pm

How much will V2G cost and when, where and who will make it happen?

  Vehicle 2 Grid (V2G) could be happening sooner than we had anticipated. Nissan and energy powerhouse Enel announced at the Paris climate change summit (COP21) that they have teamed up to test trial a V2G system in Denmark.[1] The V2G system will integrate electric vehicles (EVs) and th…

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What agreement was reached at the COP21 UN Climate Change Summit?

Posted by Sharon Russell-Verma on 30 December 2015 at 10:40 am

What agreement was reached at the COP21 UN Climate Change Summit?

On Saturday 12th December 2015, as the climate conference in Paris came to a close, one day later than planned, many people sighed with relief that finally an agreement had been reached. The outcome: A commitment to aim to hold global warming to 1.5⁰C above pre-industrial levels …

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Santa's top 7 festive green tips

Posted by Jason Ramsdale on 21 December 2015 at 9:30 am

Santa's top 7 festive green tips

Santa's gone green this Christmas. Here, hot off the press, are his 7 top festive green tips: 1. People are an energy source - no not like in the Matrix! Have a party, enjoy yourself in the comfort of knowing all those extra bodies are warming your house for free. 2. Use energy effici…

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Biomass RHI will drop to 5.14p/kWh on 1 Jan 2016

Posted by Gabby Mallett on 18 December 2015 at 10:30 am

Biomass RHI will drop to 5.14p/kWh on 1 Jan 2016

The Renewable Heat Payment for Biomass boilers and stoves is due to reduce by 20% on 1st January 2016. This is inline with OFGEM expectations. The RHI is funded by general taxation and therefore the scheme budget is set at each Government Spending Review.  The expenditure is controlled v…

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Will installing solar panels lead to a leaking roof?

Posted by Jason Ramsdale on 18 December 2015 at 10:15 am

Will installing solar panels lead to a leaking roof?

There are a number of ways to secure solar PV panels to a roof. Certified fixings, properly installed using approved tried and tested methods, will secure the panels to your roof without causing leaks. However, do ensure the installer you choose ticks all these boxes before proceeding. Installing…

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Feed-in Tariff for Solar PV to be cut to 4.39p/KWh, not 1.63p

Posted by Jason Ramsdale on 17 December 2015 at 3:42 pm

Feed-in Tariff for Solar PV to be cut to 4.39p/KWh, not 1.63p

The government has heeded the overwhelming responses against the proposed cuts to the Feed in Tariff (FiT) payments. As of the 8 Feb 2016 domestic solar PV installations up to 10kW in will receive a generation tariff of 4.39 p/kWh. While this is significantly higher than the previously proposed 1…

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What are the pros and cons of living off-grid?

Posted by Jason Ramsdale on 17 December 2015 at 10:30 am

What are the pros and cons of living off-grid?

  What is living off-grid? In the simplest sense living off-grid is a life-style choice where you make yourself less dependent on public utilities and national infrastructure such as electricity, gas, water, sewage, phone and internet lines.  Why would you want to live …

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Christmas Crackers - 7 festive energy saving jokes

Posted by Jason Ramsdale on 16 December 2015 at 11:15 am

Christmas Crackers - 7 festive energy saving jokes

I stole solar panels off my neighbours’ roof this morning. It was daylight robbery.   Wind turbines. I'm a big fan.   Many scientists agree the only way to solve the planet's worsening energy crisis is for the whole world to convert to solar…

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Where do your solar PV panels come from?

Posted by Gabby Mallett on 15 December 2015 at 10:15 am

Where do your solar PV panels come from?

I could ask a few more questions about this, such as ‘is it more important to you that they are cheap or that they are made in Europe?’, ‘do you worry that Chinese production will mean the closure of EU PV manufacturing plant?’, ‘are you concerned that panels which s…

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Does your home's energy efficiency influence its price and salability?

Posted by Gabby Mallett on 14 December 2015 at 12:30 pm

Does your home's energy efficiency influence its price and salability?

It’s difficult to know how much energy efficiency measures or renewable energy technologies make a difference to the sale price of your home.  There is some evidence that better insulated homes or those with renewables can command more in an open market, but the facts aren’t clea…

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Government consults installers on lifting VAT to 20% on energy saving products

Posted by Gordon Glass on 11 December 2015 at 3:50 pm

Government consults installers on lifting VAT to 20% on energy saving products

The government has just launched a consultation related to a possible hike in VAT from 5% to 20% for a number of energy saving and renewable energy products. Any companies who supply and/or install such products into residential accommodation are invited to respond. As we wrote back in June, …

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Should I cut down a tree shading my roof to make way for solar panels?

Posted by Jason Ramsdale on 10 December 2015 at 2:15 pm

Should I cut down a tree shading my roof to make way for solar panels?

Solar panels and trees aren’t always the best of companions. Branches and leaves may cast shade over your panels reducing their efficiency. This is an interesting moral dilemma. On one hand you have the benefits of reducing your carbon footprint by switching to solar power. On the other…

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How to calculate how much carbon dioxide your tree has taken from the atmosphere

Posted by Jason Ramsdale on 9 December 2015 at 2:05 pm

How to calculate how much carbon dioxide your tree has taken from the atmosphere

The amount of mass that is carbon within a tree is approximately 50%. To calculate how much CO2 this represents, times your carbon by 3.6. Now to the hard bit - WARNING - this involves maths! Calculating the amount of carbon sequested by a tree is a tricky business - the species, location and…

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One little girls dream to be a sustainability ninja

Posted by Jason Ramsdale on 7 December 2015 at 10:20 am

One little girls dream to be a sustainability ninja

Sara Rickards gives a talk as a clean, green, carbon reducing, cost-cutting machine. Aside from being really quite adorable in living in her childhood dream of being a ninja she explains how were are consuming resources 50% faster than the Earth can regenerate. If we all lived as we do in the UK …

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Could liquid air energy storage address periods of over-supply from renewables?

Posted by Jason Ramsdale on 4 December 2015 at 1:10 pm

Could liquid air energy storage address periods of over-supply from renewables?

One of our readers recently responded to our blog on "When will the level playing field be ready for renewables to compete on?" with the following email: Dear YouGen, Regarding your article about the National Grid being unable to absorb excess power generated by renewable source…

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David Mackay delivers a renewables reality check

Posted by Jason Ramsdale on 3 December 2015 at 3:40 pm

David Mackay delivers a renewables reality check

In a fascinating and inspiring TED (Technology, Enertainment, Design) talk David Mackay, an engineer and physicist at Cambridge University, talks us through how much space would be needed to power the entire UK as stands (with its petrol cars, gas boilers, electricity from coal etc) from renewabl…

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UN Climate Change Summit targets legally binding agreement limiting emissions

Posted by Sharon Russell-Verma on 30 November 2015 at 10:05 am

UN Climate Change Summit targets legally binding agreement limiting emissions

The 21st session of the Conference of the Parties to the United Nations Framework Convention on Climate Change, otherwise known as the UN climate change summit or COP 21, starts today (30 Nov 2015) in Paris. What is the aim of COP 21? The conference will bring together governments from 19…

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Will V2G solve the problem of storing solar electricity?

Posted by Jason Ramsdale on 26 November 2015 at 12:05 pm

Will V2G solve the problem of storing solar electricity?

Vehicle to grid (V2G): There are about 43,000 electric vehicles on the road in the UK and that number is set to reach one million around 2020. [1,2] With the expectation of smart meters in every home by 2020, the market looks ripe for the growth of V2G systems. A V2G system combines energy ma…

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Can I move my solar panels to my new home and keep the Feed-in Tariff?

Posted by Jason Ramsdale on 25 November 2015 at 11:05 am

Can I move my solar panels to my new home and keep the Feed-in Tariff?

Q. Can I move my solar panels to my new house and keep my Feed-in Tariff (FiT)? A.  No. Any PV (Photovoltaic) system under 50 kWp that is transferred to another property would be treated as “second-hand” and would not be eligible for the FiT. When a property is sold PV system…

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55,000 responses to Feed-in Tariff consultation, 2600 unique and detailed

Posted by Gabby Mallett on 24 November 2015 at 10:15 am

55,000 responses to Feed-in Tariff consultation, 2600 unique and detailed

The Government response to the Feed-In Tariff consultation is now going to be published ‘in due course’. Andrea Leadsom, Minister of State at DECC, confirmed that the consultation which was launched on 27th August and closed on 23rd October had received nearly 55,000 responses.  …

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200 posts to go at DECC. What next for renewables from the spending review?

Posted by Gabby Mallett on 23 November 2015 at 11:30 am

200 posts to go at DECC. What next for renewables from the spending review?

Are you looking forward to the spending review on Wednesday? Do you think there will be anything positive for energy efficiency or renewables?  Many of us are thinking the opposite. The only way this can go for Climate Change, is badly. We all know that we are living in an age of austeri…

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Should I buy a solar PV system now?

Posted by Gabby Mallett on 20 November 2015 at 2:30 pm

Should I buy a solar PV system now?

The answer is yes, absolutely, but you had better get moving.  With tariffs set to reduce or disappear altogether in the new year, you probably have until 31st December 2015 to get your system in and your application for Feed-in Tariff (FiTs) payments to your supplier. Your FiTs applicat…

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How can I avoid carbon monoxide poisoning at home?

Posted by Jason Ramsdale on 20 November 2015 at 12:15 pm

How can I avoid carbon monoxide poisoning at home?

We're in Carbon Monoxide Awareness Week (16 - 22 Nov 2015. Left undetected, carbon monoxide poisoning can be fatal or cause permanent damage to your health. Carbon monoxide (CO) is a gas with no smell or taste. It is produced through the incomplete burning of carbon fuels... Potential…

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When will the level playing field be ready for renewables to compete on?

Posted by Jason Ramsdale on 19 November 2015 at 11:34 am

When will the level playing field be ready for renewables to compete on?

The national grid is ill-equipped to deal with the intermittent supply of electricity from renewables. It was designed with energy production from fossil fuels in mind, leaving innovators and policy makers stuck with an ageing infrastructure which is costly to adapt. Of energy supply, Amber R…

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Is a more market sensitive Feed-in Tariff possible?

Posted by Jason Ramsdale on 18 November 2015 at 6:41 pm

Is a more market sensitive Feed-in Tariff possible?

As the green energy technology market continues to grow and develop, the policies and regulation surrounding them need to evolve. The introduction of smart meters in every home could make real-time pricing for both the selling and buying of energy become an intriguing and very real possibility. I…

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Britain on course to miss a key renewable energy target

Posted by Gabby Mallett on 13 November 2015 at 12:45 pm

Britain on course to miss a key renewable energy target

Britain is on course to miss a key renewable energy target according to Amber Rudd.  The Energy secretary has written to government colleagues to admit that we cannot meet the target and that we may incur the wrath of the EU if we don’t do more. We have a legally binding target to …

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With oil prices low, why go green?

Posted by Jason Ramsdale on 13 November 2015 at 11:55 am

With oil prices low, why go green?

With oil prices low, why go green? Oil prices have hovered between $50 and $70 a barrel for the past year, and have fallen a further 10% in the last week alone.  The Financial Times has reported that it expects oil markets are likely to stay oversupplied until 2020.[1,2] These decreased …

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For 50% tax relief, invest in a community energy share issue now (offer ends 30 Nov 2015!)

Posted by Gabby Mallett on 11 November 2015 at 3:05 pm

For 50% tax relief, invest in a community energy share issue now (offer ends 30 Nov 2015!)

You will have noticed that we have recently been posting quite a bit of information about Community Energy.  These are schemes which are usually Community-led and often involve off-site energy generation.  Some focus more on energy efficiency, and often those which focus on generation s…

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Earthship Brighton is Crowdfunding

Posted by Jason Ramsdale on 10 November 2015 at 10:03 am

Earthship Brighton is Crowdfunding

Earthship Brighton, the off-grid eco-building project, is crowdfunding to increase its impact. If successful, the fundraising will provide improved Earthship facilities, allowing the coordinators to run eco-education events and natural building courses to even greater effect. The Low Carbon T…

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Home energy management systems: the future or a passing fad?

Posted by Helena Ripley on 9 November 2015 at 10:45 am

Home energy management systems: the future or a passing fad?

With the rising cost of energy and the ever-increasing demand, both you and your house have to get smart to keep bills down. Home energy management systems (HEMS) are devices that monitor, analyse and control energy in your home. HEMS first hit the market back 2008 and are on the rise. In Decembe…

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Concerns with the smart meters roll-out

Posted by Sharon Russell-Verma on 6 November 2015 at 11:50 am

Concerns with the smart meters roll-out

In my previous blog I looked at the smart meter roll-out and how smart meters work. This blog will examine consumer privacy, prepayment customers and concerns with smart meters. Consumer privacy and prepayment customers You will have some control over how your energy consumption data is u…

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How smart are smart meters?

Posted by Sharon Russell-Verma on 3 November 2015 at 11:10 am

How smart are smart meters?

This autumn the official roll-out of smart meters across England, Wales and Scotland will begin, and it should be complete by 2020. Smart meters are the next generation of gas and electricity meters. They have in-home displays which help you keep track of the energy you use, and will cut out the …

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How can I store surplus electricity from my solar PV using batteries?

Posted by Helena Ripley on 29 October 2015 at 11:15 am

How can I store surplus electricity from my solar PV using batteries?

A domestic electricity store (ie. lithium-ion or lead-acid batteries) could be one way to make the most of the free clean electricity that you are generating from your solar PV panels. These batteries will be familiar to you – lead-acid is often used in car batteries and lithium-ion is used…

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