The benefits of solar electricity
There are a number of benefits that come with installing a solar PV system, not least of which is being able to earn £560 a year through your bill savings and the Feed-In Tariff.
- Reduce your electricity bills: A typical home PV system can produce around 50 percent of the electricity used by an average household in a year. Because this is free to you, you can save around £140 a year on your bills, more as energy prices rise.
- Cut your carbon footprint: Solar electricity is green, renewable energy and doesn’t release any harmful carbon dioxide (CO2) or other pollutants. A typical home PV system could save around 1 tonne of CO2 per year – that’s around 25 tonnes over its lifetime.
- Money for the electricity you generate: Under the FIT scheme you can be paid a Generation Tariff of 14.90p/kWh, which adds up to a payment of around £370 a year for the average household.
- Sell electricity back to the Grid: If your system is producing more electricity than you need, or when you can’t use it, you can sell it back to the Grid and make 4.64p/kWh, paying the average home £50 a year. Find out more about the Feed-in-Tariff here.
- A safe investment: The Government have guaranteed the Feed-In Tariff for 20 years and your tariff rate is fixed when you sign up. It is also index linked so that it retains its value
What to do next?
- Do I need a three phase electricity supply to install solar PV?
- Systems with up to about 10kW peak power don't need more than a single phase electricity supply, however it is very unlikely that your system will exceed 4 kW peak power. Your installer will advise you exactly what is required.
- What guarantees do solar PV panels come with?
- It does vary from manufacturer to manufacturer but typically Solar PV panels will come with an output guarantee in the region of 20 and 25 years. The Inverter will have a shorter life, and your should budget to have this replaced once during the life of your system (25 years or more) and therefore has a shorter guarantee, typically around 5 years. The labour guarantee will depend on your installer and your should ask or study the fine print in your quote; 5 years is fairly typical.
- How are solar PV panels fixed to the roof?
- This will depend on the roof, but typically solar PV panels are fixed using rigid stainless steel brackets that are fixed directly to your roof rafters. The brackets hook out from underneath your existing tiles. Tiles or slates should not be drilled to fit the panels, nor should mastic/silicone be used to weatherproof your roof. Solar panels can be fitted to any roof type except thatched roofs.
- How long does a solar PV panel installation take?
- A solar PV installation normally takes 2-3 days.
- Are solar PV panels fragile?
- Solar PV panels are very robust; they are designed to withstand the normal stresses and strains subjected to them by nature. You can ensure that your panels are robust by purchasing only MCS accredited panels.
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