Modern, sustainable, low-impact living is the amalgamation of the wisdom of the past with the technology of the future.
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INSTALLATION OF OUR ALTERNATIVE ENERGY TYPES OF ALTERNATIVE ENERGY FOR YOUR HOUSE SELLING YOUR ENERGY AND CLAIMING ROCs
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A solar PV system will obviously be generating electricity during the day. A wind turbine will generate electricity when its windy. This electricity generated and used directly to run the services and appliances in your home. Any excess electricity will be transferred onto the national grid and used elsewhere, usually locally. During the night time for PV, or when the air is still of wind turbines, electricity would have to be imported from the grid into the house, this electricity would obviously have to be paid for. Most Energy companies deliver a Micro Generation service but can be split into two main types:
RSPB pay 5p per kwh whether the energy is used in the home or not. In our case we will be paid about £147 each year. For this system a Net Export Meter (this effectively is a meter which measures the amount of electricity that passes through onto the grid) is not needed. However an Ofgem accredited meter that records the generation is needed.
Each house that generates their own electricity will probably make their calculations and decide upon the option that best suits them. But in reality for us it worked out financially about the same. It is worth remembering that the main reason for installing alternative energy is not purely financial. The reality is you will be significantly reducing your personal carbon emissions and you will be inspiring others to think differently and do the same. If you wish to contact the energy companies link to our Selling Your Energy page
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Basic Calculations There has been a lot of confusion and misinformation in this area largely because information is not widely available. That is why we started the website. If people try to tell you something else, check that they know what they are talking about. The reality of our PV system is this. If you are thinking of installing a form of alternative energy on your house you may wish to do similar calculations. Facts :
Scenario 1 If we do not use any electricity when we are not generating. We will be £427 better off each year. Scenario 2 (most realistic) We use 1000 kwh over the year in the evenings. This comes to £110.80. We have now saved £316.20 over the year. Scenario 3 We use 2000 kwh over the year in the evenings. This comes to 221.16. We have now saved £205.40 over the year. These projections obviously show that we need to make good use of the energy we produce during the day, and reduce our consumption in the evenings. If you are interested in see how the payback times work for our system please visit our payback calculations page. If you need to find out more about Renewable Obligation Certificates click here (ROCs). It would seem that it is now possible to claim the ROC entitlement. The latest EST Solar PV factsheet explains that you can do this. I don't know what the rates are at present and you can only claim per megawatt or kwp. In our cases this will be 3 ROCs. This is a very new concept but it is possible to do and will of course reduce the payback times. We hope to complete this process ourselves. Once it has been done we will post the relevant information so that more people can benefit from this incentive that only the big power generators have had up until now.
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