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C A McLellan Ltd have many years experience and have earned a great reputation through a reliable and punctual service.
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Tel: 01604 709463
Mob: 07717 886626
Email: c.a.mclellan@btinternet.com
Web: www.mclellanelectrical.com
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Solar panels
At C A Mclellan Ltd we specialise in the supply, installation and commissioning of solar photovoltaic systems, generating clean renewable electricity form solar panels accredited under the Micro Generations Scheme (MCS)
This means the PV system we install will benefit from the Feed in Tariffs, earning the customer 41.3 for every KW of electricity produces weather its used or not + an extra 3p for every KW put back into the grid, on top of this the saving you will make on your electricity used within the home.
What is solar photovoltaic?
A. A solar photovoltaic system (or solar PV) is a renewable technology which uses free energy from the sun to generate electricity. The electricity produced by the solar PV can be used to power anything around the home connected to the electrical supply.
How solar PV works?
A. Solar PV relies on daylight to generate power using photovoltaic cells within the roof mounted panels (modules). These modules are generally fix to a roof and connected to an inverter. This converts the DC power produced by the modules to AC (as supplied from the national grid) which is either consumed within the property or sold back to the power supplier.
Feed in tariffs
A. On the 1st February 2010, the government announced new standard generation Feed-
PV systems registered with the scheme between 1st April 2010 and 31 March 2011 will benefit from the following:
Any system less than 4kW on a new build -
Any system less than 4kW on a retro fit -
Any system 4-
Any system 10-
This means that if you normally pay 12p per kWh for your electricity. You would effectively get both the power consumed for free and the FiT. So on a retrofit system below 4kW this would mean 12p + 41.3p = 53.3p per kW saving, + 3p for every KW you supply back to the grid.
Any system installed after the 15 July 2009 is eligible for this feed in tariff at the above rate, provided the system uses MCS approved equipment and has been fitted by an MCS accredited installer
How green is solar PV?
A. Solar PV is a renewable energy source that does not require the burning of fossil fuels to generate electricity and does not leave a carbon footprint as it creates no carbon dioxide during operation, this will help as the UK government is to set a voluntary target to cut carbon dioxide emissions by 20% by 2020.
Solar PV makes no noise, emits no pollution, creates no waste and uses no fuel, making it a very green energy supply.
What is the life expectancy of a solar PV module?
A. Solar PV modules have a life expectancy of over 25 years, but should last much longer as there are no moving parts.
How long is a solar PV system guaranteed for?
A. Solar PV modules carry up to a 25 year performance guarantee as follows
Performance guarantee to 90% output minimum after 12 years
Performance guarantee to 80% output minimum after 25 years
What size system will I need?
A. Each electricity requirements vary depending on the size of the property and how energy efficient the building is. A standard three bedroom house consumes approximately 3300 kWp of electricity per annum, excluding heating and cooking (more information on this click on the link below)
www.energysavingtrust.co.uk
If a system comprising of 16 panels (2.88kW) this should produce around 3.285 kWp of electricity per annum.
Check with your electricity supplier or previous electricity bills for a more accurate calculation.
What happens in the winter months?
A. Solar PV modules do produce more electricity on brighter days; however sunlight is not a necessity. Even in the winter months when the sun is lower or the skies are overcast, solar PV modules can still produce some electricity. The output will just be lower.
Can solar PV modules be fitted on a roof facing any direction?
A. Ideally solar PV modules should be facing south to achieve the maximum power output. Modules facing south east or south west will produce a slightly reduced amount of power.
Do I need Planning permission?
A. In some circumstances, you made need planning permission to install solar PV modules. This may be if you live in a listed building or conservation area. You should always check with your local authority before proceeding with purchasing and installing a solar PV system. A flat roof will always require planning permission and a structural engineers report, please see www.directgov.uk for more information
How much will a solar PV system cost?
A. For a grid connected solar PV system, we supply and install kits from the smallest 1.38kWp up to 3.70kWp. For larger installations prices will vary depending on components
Typically a 1.38 kWp system would cost around £ 6400 incl VAT@ 5% fitted, this would include 6 modules all roof mounting brackets, inverter and cabling
All of our systems are MCS approved, this will allow householders to be eligible
for the feed in tariffs (FiT), please visit the website-