How Much Can Solar Save You Per Year in the UK
One of the most common questions homeowners ask is how much can solar save you per year. In the UK, solar panel savings depend on factors like energy usage, system size, electricity prices, and whether you use a battery. For many households, solar panels can reduce annual electricity bills by hundreds or even thousands of pounds, but the real answer depends on your home.
Average Solar Panel Savings Per Year in the UK
On average, a typical UK household can save between £400 and £900 per year with solar panels. Homes with higher electricity usage, good roof orientation, and daytime energy use often see the biggest savings. If a battery is added, savings can increase further by storing excess energy for use in the evening.
What Affects How Much Solar Can Save You
Your Electricity Usage
The more electricity you use during the day, the more solar energy you can use directly. Homes where people work from home often see higher solar savings.
Size of Your Solar System
Larger systems produce more energy, but bigger is not always better. The right system size balances generation with usage.
Typical Solar Panel Costs for UK Homes (At a Glance)
To give homeowners a realistic sense of price, most UK solar installations in 2026 fall within the following ranges.
Typical UK solar panel costs
Small home system (1.5 to 2 kW, 3 to 4 panels)
Around £3,000 to £4,500
Suitable for low electricity use or limited roof spaceAverage home system (3.5 to 4 kW, 8 to 10 panels)
Around £5,000 to £7,000
The most common choice for typical UK householdsLarger home system (5 to 6 kW, 12 to 16 panels)
Around £7,000 to £9,000
Better suited to higher electricity use or homes with electric vehicles
These prices usually include panels, inverter, mounting equipment, installation, and system commissioning.
Optional: Battery Pricing Add-On (If Included)
Some homeowners choose to add a battery to store unused solar electricity for evening use. Batteries increase upfront cost but can improve long term savings.
Typical battery costs in the UK:
5 kWh battery: £2,000 to £3,000
8 to 10 kWh battery: £3,000 to £5,000
12 kWh or larger battery: £5,000 to £7,000+
With a battery included, total system costs often fall between £7,000 and £12,000, depending on capacity and system size.
Electricity Prices
As electricity prices rise, the value of solar savings increases. This is one reason solar panels become more valuable over time. Find out more about the cost of solar panels here.
How Solar Savings Add Up Over Time
Solar savings are not just yearly. Over 20 to 25 years, many homeowners save tens of thousands of pounds in avoided electricity costs. This is why solar panels are often described as a long term investment rather than a quick win.
Solar Panels With and Without Batteries
Without a battery, unused solar energy is exported back to the grid. With a battery, you store that energy and use it later, increasing your solar savings per year. Batteries increase upfront cost but often improve long term value. Read more about batteries HERE.
Are Solar Panels Worth it in the UK
For most homeowners, solar panels are worth it if they plan to stay in their home for several years. Savings, energy independence, and protection from rising energy costs all contribute to their value.
Get a Personal Solar Savings Estimate
While average figures are useful, your actual solar savings depend on your home. A personalised assessment can show exactly how much solar could save you per year based on your roof, usage, and location.