Solar Panel Installation Costs and Payback
The Numbers Behind Solar Panel Installation for the Homeowner in Bristol.
Typical System Costs by Size
A typical cost for a 3.5 kWp Solar Panel System is around £5,000 – £7,000 for a 3 bedroom house. A larger 5 kWp Solar Panel System for a bigger house would cost around £7,500 – £10,000 for a full system. This price includes the panels, the inverter and the full installation to connect to your mains electricity.
What Pushes the Price Higher
Roof complexity for Solar Panel Installation adds cost quickly – Steep Pitch Roofs – Multiple Roof Angles – Flat Roof Solar Panel Installation – Additional roof sections for Solar Panel Installation. This can add £500 to £1,500 on to the cost of Solar Panel Installation for Scaffolding and for Labour on complex roof configurations. In addition to the cost of the Solar Panels for the roof, the cost of a Battery for Solar Panel Installation to charge up at night using any excess generation during the day. This would cost an additional £2,000 to £3,500 on top of the installation costs of Solar Panels.
Exporting excess electricity to the grid (a process enabled by Smart Export Guarantee) can also generate income. The rate at which suppliers will purchase surplus electricity varies between them. The rate currently stands between 4p and 15p per kilowatt hour. This can reduce the payback period for the system significantly.
For Solar Panel Installation Bristol, see //redbridgeandsons.co.uk/solar-pv-panels/solar-panel-installation-bristol/.
Estimating Your Payback Period
Assuming an annual household expenditure of circa £1,400 for electricity and a savings of circa £500 to £700 per annum, generated from exporting surplus electricity to the grid (smart metering etc.) through a circa £6,500 system this would suggest a repayment period of circa 9-13 years for such a system.
Comparing Quotes and Checking Credentials
Look for local installers who have experience of installing solar panels on roofs in Bristol similar to yours. Check their credentials and look for at least three quotes from MCS-certified installers. See our list of installers in Bristol.
Time spent gaining insight into quotes will yield results as valuable as those impressive solar panels.
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