There is another form of solar, called solar thermal. This is where the sun is used to heat hot water, if you are interested in this then you please see solar thermal.
Solar PV cells or solar panels use the light energy from the sun to generate free and green electricity for your home and because solar panels do not need direct sunlight to work you still generate some electricity throughout winter and on cloudy days.
The strength of a solar panel is measured in kilowatt peak (kWp), this determines the amount of energy the panel is capable of making in full sunlight.
The solar panels are typically installed on a roof with a southerly aspect (see Solar Panel Installation Solutions for other solar panel mounting options).
When sunlight shines on the panel it causes a reaction which creates an electrical charge across the layers. This energy is known as direct current (DC)
The direct current is then fed into your home via an inverter where it is converted into alternating current (AC) to be used around the house.
If the solar installation produces more electricity than is being used any excess is exported to the grid.
When the system is not producing, electricity is imported from the grid in the usual way.
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Save Money Cut your electricity bill by 70%. Earn Money Earn over £800 per year with the feed in tariff. Accredited Companies We only deal with certified installers. Quick and Easy It might be worth talking to a number of different companies. One we have found helpful and consistently delivering high results in the commercial industry is Enviko, but please be your own judge.
Solar PV Cost/Savings example
This example is based on a 50kwp system with 30 degree pitch in Swindon with no grid upgrades and straight forward access. (2010)
System size: 50 kW
System cost: £75,000 +VAT
Income from FiT: £225,822 (assuming 3% RPI increase on 15.2p/kWh tariff)
Energy Savings: £106,142 (assuming unit cost = 11p/kWh)
Export Tariff Income: £15,469 (assuming inflation of 5%)
Total Profit (exc. install cost): £272,433
Benefits of Solar PV systems
Solar can help farmers reduce energy costs and generate income at the same time. A solar PV installation can substantially reduce energy costs, especially for farms running power-hungry equipment during daylight hours. Through the feed-in-tariff you can expect a return on investment of around 8% for a 25 year period, plus the savings on your electricity costs.
As a Solar PV specialist and accredited installer since 2004, we can help expedite planning applications and complete fit outs on permitted developments quickly and efficiently.
The difficulty of engaging with people has meant that Bryony isn’t sure how accurately they’re sticking to their pledges. “I’m hoping that the new scheme where you can make your own pledges will improve things” she says. “It’s a good move for this audience where people are probably already doing some of the standard pledges”.
The renewable energy industry in Wales is providing the potential for new Wood Energy Businesses to be established by entrepreneurial individuals or co-operatives. www.woodenergybusiness.co.uk A Wood Energy Business will need: 1. A guaranteed, local supply of wood or processed wood fuel 2.
The Government has set targets for the number of UK households that will have installed solar panels to their home. Contrary to popular believe the UK has over 65% of the radiation that Spain receives which is more than enough to guarantee a the function of a Solar PV system. With the Government's feed-in tariff in place that allows an income to be produced from installing solar energy the number of homes that rely soley on solar power is set to rise.