5kW Solar System with Battery UK: Produce Cost Savings

5kw solar system with battery in the uk

Are you a part of a busy 4–5 person household? Have you ever considered how much you could save on your energy bills with a 5kw solar system with battery UK? You might be surprised to learn that you could save more than 80% on your energy bills. Solar panels have seen a dramatic drop in prices, and this is due to several factors. Solar panel grants and the rising number of manufacturers worldwide play a significant role. Healthy competition among these manufacturers benefits consumers, making solar system installation more affordable than ever.

The 5kW solar system is one of the most common, as the system’s ideal price/power output ratio is incredibly beneficial. In this article, we’ll answer your questions on the 5 kW solar system and if this solar system is a suitable option for your home.

What is A 5kW Solar System with Battery in the UK?

A 5kW solar system has a power output of 5 kilowatts and can generate an average of around 3830-4500 kilowatt-hours (kWh) of electricity per year. This system consists of several components, including solar panels, which may vary in size. Typically, a 5kW solar PV system comprises 12 solar panels. To convert the DC (direct current) electricity generated by the solar panels into AC (alternating current) electricity that can power your home appliances, a 5kW solar inverter is utilized. The inverter is an essential component that plays a crucial role in this conversion process.

In addition to the solar panels and inverter, a battery storage system can be added to the 5kW solar panels system. It allows for capturing and storing any excess energy produced by the 5kW solar panels during the day. The stored energy can then be used at night or during a power outage, providing a reliable backup power source and maximizing the utilization of your solar energy. The energy output of a 5kW system, once converted by the solar inverter, is equivalent to the energy consumed annually by a household of 4 to 5 people. It makes the 5kW solar system in the UK an ideal fit for an average-sized home, catering to the energy needs of a typical family.

Benefits of A 5kW Solar System with Battery:

Solar panel systems generally contain many advantages compared to other energy sources. Outlined below are several key reasons that make these units more beneficial to buying:

  • Rapid Payback: 5kW solar system costs can be paid back within as little as 4 years, thanks to energy bill savings and potential government incentives.
  • Low Maintenance: There is no maintenance or ongoing cost. Installing automated cleaners can automate the cleaning and maintenance of 5kW solar panels.
  • Longevity: The solar panels are guaranteed to last at least 25 years with an estimated lifespan of 40 years, ensuring long-term energy generation and savings.
  • Increased Home Value: A 5kW solar panel system would add more value to the home installed, making it an attractive feature for potential buyers.
  • Energy Independence: A 5kW system is enough to make a household independent from the grid, supplying sufficient energy.

How Many Home Appliances can I Run with A 5kW Solar System?

The number of home appliances you can run with a 5kw solar system with battery uk cost depends on several factors, including the specific energy consumption of your devices, the amount of sunlight your panels receive, and your energy usage patterns.

Generally, a 5kW solar system can power the basic energy needs of a household, including lighting, refrigeration, electronics, and small appliances. However, running high-energy-consuming appliances like air conditioners or electric heating systems may require additional solar capacity.

Best 5kW Solar System with Battery:

BLUETTI offers the AC500+B300s home battery backup solution, designed to back up your house during power outages and save on electricity bills. This system stores electricity when prices are low and allows you to use stored energy during peak periods, effectively reducing electricity costs. Let's delve deeper into how BLUETTI can be an effective solution for backing up your entire house during power outages and helping you save on electricity bills through peak load shifting:

bluetti 5kw solar system with battery uk
  1. Backup Power During Outages:

BLUETTI offers reliable home battery backup systems to provide electricity to your house during power outages. These systems are equipped with high-capacity batteries that store electricity when available, typically when your solar panels generate excess power or during off-peak hours when electricity costs are lower.

When a power outage occurs, the BLUETTI battery system seamlessly supplies electricity to your home. It means your lights stay on, your appliances continue to run, and you can maintain essential functions like heating and refrigeration even when the grid is down. It ensures your comfort and safety during outages, protects sensitive equipment, and prevents food spoilage.

reliable home battery system
  1. Peak Load Shifting for Bill Savings:

Peak load shifting is a strategy that aims to reduce electricity costs by utilizing stored energy during peak demand periods when electricity prices are typically at their highest. Here's how BLUETTI helps you achieve this:

  • Storing Electricity During Off-Peak Hours: BLUETTI batteries can store excess electricity generated by your solar panels or from the grid during off-peak hours. These are times when electricity demand is low, such as at night or during certain hours of the day when most people do not consume much power.
  • Using Stored Energy During Peak Hours: When electricity prices surge during peak demand periods, typically during the day when people are using more energy, BLUETTI batteries kick in to supply the stored electricity to your home. It means you can draw power from your BLUETTI system instead of relying on the grid when electricity is most expensive.
  • Cost Savings: You can significantly reduce your electricity costs by avoiding purchasing electricity from the grid during peak hours and instead using the stored energy from your BLUETTI system. It can lead to substantial savings on your monthly or yearly electricity bills.
  • Energy Independence: BLUETTI's ability to shift peak loads also contributes to your energy independence. You become less reliant on the grid and have more control over when and how you consume electricity, which can be particularly advantageous during high electricity prices or grid instability.
endless solar energy

How Much Electricity Will a 5kW Solar System with Battery Produce?

A 5 kW solar panel system will generate around 3,830 kWh annually, averaging approximately 10.5 kWh daily. Daily electricity generation can vary based on weather conditions, with bright, sunny days producing more electricity.

Even in cloudy weather, solar panels remain effective, dropping efficiency by about 23% in light cloud cover and falling to 66% under heavy clouds. Solar panels will still work in the UK's variable weather conditions, though some reliance on the grid may be needed during extended periods of low sunlight.

How Many Solar Panels are Needed in A 5kW Solar System?

The number of solar panels included in a 5kW system can vary based on the size and capacity of the panels used. On average, a 5kW system utilizes about 12 solar panels, each with a power of 405 watts. However, if smaller panels, such as those with a 350-watt capacity, are chosen, the total number of panels in the system would increase to approximately 14 or 15.

How Much Does A 5kW Solar System with Battery Cost?

Solar panel system costs increase as system size and output capacity increase. In the UK market, a 5kW solar system's Price ranges from £6,000 to £7,000. Installation costs vary depending on the installer but should be around £5,000. When calculating the total cost, consider installation by an MCS-certified installer (to be eligible for the SEG scheme), the system cost, low maintenance costs, and tariff rates under the SEG scheme.

How Much Can I Save with A 5kW Solar System with a Battery in the UK?

The potential savings with a 5kw solar system with battery uk cost can be substantial. With the ability to generate a significant portion of your electricity needs, you can save more than 80% on your energy bills over time. The payback period for the system is relatively short, often within 4 years, after which you can enjoy reduced energy expenses for the system's life.

FAQs about 5kW Solar System with Battery UK:

Is A 5kW Solar System with Battery Enough for A Family?

Yes, a 5kW solar system with a battery is typically sufficient to meet the energy needs of a family of 4 to 5 people, provided that energy-efficient practices are followed.

How many batteries do I need for a 5kW solar system?

The number of batteries required depends on the capacity of the battery and your specific energy storage needs. It's recommended to consult with a solar system installer to determine the optimal battery setup.

How long will a 5kW battery power a house?

The duration a 5kW battery can power a house depends on the battery's capacity and energy usage. A typical 5kW battery may provide several hours of a day's power during an outage.


In conclusion, a 5kw solar system with battery UK is an excellent investment for homeowners in the UK. It offers substantial energy savings, independence from the grid, and the potential to add value to your home. Consider reliable options like BLUETTI for battery backup solutions to make the most of this system. With the proper setup, you can enjoy clean, renewable energy and reduce reliance on traditional grid power while saving money in the long run. Make the switch to solar and take control of your energy future.

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