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For the average 2-3 bedroom house
6kW Solar Panel Systems in the UK (December 2024)
- A 6kW solar panel system typically costs between £9,500 - £10,500 and can save you up to £1,005 annually.
- A 6kW system can last up to 30 years and you will likely break-even after 10 years.
- 6kW solar systems are well-suited for larger homes housing 4 or more people.
A 6kW solar system is a cost-effective renewable energy solution for larger homes. This solar panel system reduces your electricity bills and, with a solar battery, you can also qualify for the Smart Export Guarantee (SEG) scheme, offering money for surplus energy fed back to the grid.
The decreasing prices of solar panels, driven by market competition and various grants, make the 6kW system an attractive investment. If you want to learn more about 6kW solar systems and how much energy solar panels produce, their benefits and suitability for your home, this article.
If you are interested in a 6kW solar panel system, fill in our 1-minute contact form to get up to 4 free, non-binding solar panel quotes. By comparing quotes from different trustworthy installers, you’ll be able to choose the ideal solution for your home that fits your budget.
- Quotes from local engineers
- Payment by finance available
- Save up to £1,005 per year
Why 6kW Solar Panels Are a Great Option in the UK
6kW solar panel systems are designed to power large homes or properties, housing families of 5 people. This solution will guarantee your energy demand as well as make your house more eco-friendly. The size of the system allows it to generate just about the right amount of electricity required to meet the daily needs of a large household.
How many solar panels you need for this sized system depends on the wattage of the individual panel. Typically, a 6kW solar panel system using 250 watt panels will require 24 solar panels.
Keep in mind that 6kW solar panel systems are quite big and you will need more than 40 m2 free roof space, plus a little extra room in your attic (usually for the inverter used to convert the current into a usable one). In return for this investment, a 6kW solar panel system can supply an ample amount of free electricity to help you save big on your utility bills.
How much does a 6kW solar panel system cost?
It is difficult to set a fixed price for a 6kW solar system, but it is sensible to say that the expected investment ranges from £9,500 - £10,500 however, their serious energy output gives them one of the quickest payback periods.
Smart Export Guarantee
The Smart Export Guarantee (SEG) is a new type of solar panel funding that is available in the UK. Under this scheme, energy suppliers with over 150,000 customers are obligated to offer an export tariff for electricity fed back to the National Grid. Energy suppliers with fewer customers can offer the tariff on a voluntary basis.
Making use of this kind of a scheme can reduce your overall solar panel costs.
How much electricity does a 6kW solar system produce?
A typical 6kW solar panel system is capable of generating an estimated electrical output ranging from 400 to 900 kWh per month and an electricity yield in the range of 4,800 to 10,800 kWh per year.
| Time period | Electricity production (kWh) | Equivalent power used (enough to run for 24 hours daily) |
|---|---|---|
| Year | 4,800–10,800 | Enough to power a small to medium-sized home |
| Month | 400–900 | Enough to power an electric car |
| Day | 13–30 | Enough to run a fridge, TV, dishwasher, washing machine, and a computer |
The performance of your 6kW solar system depends on several things such as the direction your roof is facing, its angling and of course the quality of the materials used.
In brief, these are some of the main factors that will define the power output of your system:
- Geographic location will affect the daily solar irradiation and will define the potential output of the system. The sunnier, the better.
- Are there trees or any other objects creating shade over the solar array? Panels should be as free of shade as possible, to achieve the maximum potential of the solar array. When a panel or panels are blocked by the shade of a tree, for example, you are wasting a valuable portion of your array!
- Orientation and tilt angle of the solar panel array. Optimal positioning of the panels will ensure the most amount of sunlight can be absorbed.
- Performance and features of the individual components. Not all brands have the same energy efficiencies and not all inverters are the same. Check this with your solar installer.
It's generally best to match your solar panel size to your home's energy needs. However, picking a more powerful system is not always a bad thing, especially if you have a decent solar battery. You can check out our reviews of the best solar battery systems to see what might suit your needs.
How to choose the right 6kW solar panel system?
A 6kW solar panel system can be quite expensive. Therefore, you will need to do thorough research and compare your options. With all the different options and technical factors influencing your purchase, it can be difficult and time-consuming to make a purchase decision all by yourself.
Filling in the form will secure you up to 4 quotes from different 6kW solar system UK suppliers to choose the one that best suits your needs and budget. The service comes completely free of charge and without obligations. Click the button below to start getting quotes.
- Quotes from local engineers
- Payment by finance available
- Save up to £1,005 per year
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