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The  atmospheric concentration of CO2 has risen by 6ppm over the last two years.

Connecting to The Grid and Selling your Energy

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TYPES OF ALTERNATIVE ENERGY FOR YOUR HOUSE    

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PLANNING PERMISSION

PAYBACK CALCULATIONS

CONNECTING TO THE GRID 

SELLING YOUR ENERGY AND CLAIMING ROCs

 OUR FUTURE DEVELOPMENTS

 

 

 

 

 

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:

  • The company makes a calculation dependant on the size of your system and pays the generator  (you) a monthly sum. (Good Energy,  Npower Juice and RSPB Energy if you are not within their net metering area)

RSPB Scottish and Southern Electricity

Microgeneration Export Tariff
They can purchase any excess power you produce and export to the national grid providing your connection to the national grid conforms to the required standards and you have an export meter in place. You will need to be a customer of Scottish & Southern Energy (SWALEC, Southern Electric, Scottish Hydro or Atlantic Electric & Gas) for your supply and we will fit an export meter free of charge.


If you qualify for the renewables obligation certificate (ROC) and appoint us as your agent then we are able to pay you an additional 5p/kWh for all the energy you generate. If you do not wish to appoint us as your agent then we will pay £50.00 per ROC.  Either way, this will be paid each year in July for your previous year’s generation.  

Solar Energy Plus Tariff

  • It is only for customers with Solar PV generation
  • We pay 18p/kWh for Export
  • The customer must be an import customer with SSE
  • The customer must have an Ofgem approved gross generation meter installed
  • The customer must have an export meter installed (we will fit this free of charge if you do not already have one)
  • The customer must appoint SSE as their agent for ROCs
  • The generation must be connected to the grid via the property and not directly onto the grid
  • There is no separate payment for ROCs, it is all rolled up into the 18p/kWh we pay for export
  • It is only available for generation up to 5kW.  Solar PV greater than 5kW will be decided on a site by site basis

Customers can contact us by email to microgeneration@scottish-southern.co.uk or ring us on 029 20249302 (Tony Collings) & 029 20249065 (Sarah Braddon).

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

 

 

 

 

 

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 :

  • We currently pay about £280 for our electricity supply. (Before Tax and standing charge.) RSPB Energy pays 5p per kwh and charges 11.08p per kwh.

  • Once the panels are installed we will reduce CO2 emissions by 1,265 kg each year. We will receive £147 each year from RSPB Energy. Whether we use this electricity or not. We also have to pay their standing charge as all of us do if we have an electricity supplier.

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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