How Much Do Solar Panels Cost in Devon?

Solar panels are a hot topic in today’s environmentally-conscious world. If you’ve been considering a switch to renewable energy, you’re probably wondering about the costs involved. In this Glo Renewables comprehensive guide, we delve into the how much solar panels cost in Devon, the factors influencing the price, and the potential savings you can make.

Understanding Solar Panels

Before we explore the solar panels cost, it’s important to understand what they are and how they work. Solar panels are comprised of photovoltaic (or PV) cells, which absorb energy from sunlight and convert it into electricity. This electricity can be used within the property, or it can be connected to the National Grid.

The beauty of solar panels is that they don’t require direct sunlight to work, although they do generate more electricity in strong sunshine. They don’t work at night, but the energy produced during the day can be stored for later use (via a battery) when it’s dark.

Potential Benefits of Solar Panels

Solar panels offer a range of benefits, both environmental and financial. They can help households reduce their carbon emissions and consume fewer fossil fuels, contributing to a greener planet. Financially, solar panels can generate enough electricity to power household appliances, reducing reliance on the National Grid and potentially lowering energy bills.

Solar Panels Cost in Devon

The cost of solar panels in Devon, as in the rest of the UK, can vary significantly. This is due to a variety of factors, including the size and type of the system, the installation process, and any additional components required.

According to the Energy Saving Trust, a typical 4.2 kilowatt-peak solar panel system will cost you around £6,500. However, this is a general estimate and the actual cost can be influenced by a range of factors.

System Size

Solar panels come in various sizes, with the larger the system, the higher the installation cost. However, larger systems can generate more electricity, potentially saving more money in the long run.

A 3kW solar panel system will be cheaper to install, but you may not save as much as you could with a 6kW system over the course of 25 years.

Type of Panels

There are three main types of solar panels: monocrystalline, polycrystalline, and thin-film. Monocrystalline panels are the most efficient and most expensive type, while polycrystalline panels are more affordable but less efficient.

Thin-film panels are the cheapest and can be installed on almost any surface, but they produce the least energy overall.

Installation Process

The installation process itself can also influence the cost of solar panels. The difficulty of the installation, the time it takes, and the labour involved can all impact the final price.

Additional Components

Adding additional components to your solar system, such as solar batteries or pigeon-proofing, will increase the equipment cost but can decrease installation costs if done at the same time.

Labour Costs for Solar Panel Installation

Labour costs for solar panel installation are typically included in the overall quote. However, they can vary depending on the complexity of the installation and the location. Generally, you can expect to pay between £300 and £500 per person per day for installation, with larger systems taking more than one day to install.

Reducing Solar Panel Costs with SEG Payments

In the UK, the Smart Export Guarantee (SEG) scheme can help to reduce the cost of solar panels. Launched in 2020, this scheme guarantees households payments for ‘exports’ of their solar energy. The tariffs for exported solar energy can vary, but a good rate is 4-17p/kWh.

The Long-Term Savings of Solar Panels

While the initial cost of solar panels can be high, the long-term savings can be significant. According to MoneySavingExpert, a typical household with a 4.2 kilowatt-peak solar energy system could save between £165 and £405 a year on its energy bills. Additionally, households could stand to make between £80 and £110 a year from energy sold to the National Grid via the SEG.


Switching to solar power is an investment in both your financial future and the health of our planet. While the initial solar panels cost can be substantial, the long-term savings and environmental benefits make it a worthwhile endeavour. If you’re considering installing solar panels in Devon we would be happy to talk through your requirements and provide a competitive quotation and site visit.

Frequently asked questions about Solar panels

How many solar panels do I need for a 3 bedroom house UK?

The number of solar panels you would need for a three-bedroom house in the UK largely depends on your household’s energy consumption, the efficiency of the solar panels you choose, and the amount of sunlight your location receives. However, a general guideline is often provided based on typical energy consumption patterns.

A common system size recommended for a three-bedroom house in the UK is a 3.6 kWp (kilowatt peak) solar panel system. The number of solar panels you would need to make up this system size depends on the wattage of the individual solar panels. Here’s a breakdown:

  1. High-Wattage Panels (450W): If you choose high-wattage solar panels, such as 350W panels, you would need 8 panels to achieve a 3.6 kWp system (450W x 8 = 3600W or 3.6 kW).
  2. Standard Wattage Panels (400W): If you opt for more standard wattage solar panels, like 400W panels, you would need 9 panels to achieve a 3.6 kWp system (400W x 9 = 3600W or 3.6 kW).
  3. Lower Wattage Panels (300W): If you choose lower wattage panels, such as 300W panels, you would need 12 panels to achieve a 3.6 kWp system (300W x 12 = 3600W or 3.6 kW)

It’s important to note that these calculations are quite simplistic and the actual number of solar panels you would need could be different based on your specific circumstances. It’s advisable to get a professional solar installer to carry out a detailed assessment of your property and energy needs to determine the most accurate system size and number of solar panels required.

Additionally, solar panel efficiency, shading, orientation, and other factors can also impact the amount of solar energy you can generate and therefore the number of solar panels you would need.

Are solar panels worth getting in the UK?

The consensus among various sources is that solar panels can be a very worthwhile investment in the UK, especially in 2023. Here are some key points highlighting the worthiness of solar panels in the UK:

Long-term Savings:

  • Solar panels can significantly save on energy bills over time, making them a worthwhile investment for many homeowners​.
  • It’s reported that solar panels can reduce energy costs by £610 or potentially more per year for UK households​​.

Government Incentives:

  • Government-funded initiatives, like the ECO4 scheme, provide financial assistance for installing solar panels, which facilitates access to cleaner and more affordable energy solutions​.


  • Besides saving on energy bills, solar panels can also earn homeowners money, through feed-in tariff schemes or by selling excess electricity back to the grid​.

Environmental Impact:

  • Solar panels help in reducing the carbon footprint and contribute to a sustainable future by generating clean and renewable energy​.

Economic Landscape:

  • A comprehensive analysis of solar panel usage, economics, environmental impact, and the costs involved also suggests that solar panels are indeed worth installing in the UK in 2023​​.

Property Value:

  • Installing solar panels can increase a property’s value due to reduced electricity costs, enhanced energy efficiency, and the appeal of environmentally friendly energy generation.
  • Prospective buyers may be willing to pay more for a house with solar panels due to the long-term savings on energy bills and the modern, eco-friendly aspect of solar energy. The exact impact on property value can vary based on the location, size, and age of the solar installation, among other factors.

Energy Generation on Gloomy Days:

  • Despite the UK’s often cloudy weather, solar panels can still generate some electricity on gloomy days, ensuring a level of energy self-sufficiency​​, especially in sunny Devon!

The worthiness of solar panels also depends on individual circumstances such as the location of your home, the amount of sunlight you receive, and the initial costs for the solar panel system. It’s advisable to conduct a thorough analysis of your specific situation, possibly with the help of solar professionals, to determine the exact benefits you could reap from a solar panel installation.

How much does a 10kw solar panel (installation?) cost UK?

The cost of a 10 kW solar panel system in the UK in 2023 varies among different sources. Here’s a breakdown of the costs from three different sources:

  1. One source mentions that a 10 kW solar panel system (without a battery) typically costs around £12,000 in the UK, including installation and VAT​ (if applicable).
  2. Another sources state that the average cost of a 10 kW solar panel system in the UK in 2023 is £22,600, which includes the supply of the 10 kW solar panel equipment, installing and connecting to the electricity supply, with VAT being zero-rated​​.
  3. A different source quotes a price of £10,792 (including VAT) for a full 10 kW solar kit, which can be used with on or off-grid systems​​.

These prices indicate a significant variation, which could be attributed to differences in the quality of materials, brands, and possibly the scope of installation services included. Additionally, the cost of a solar battery for storing electricity is not included in these prices, which is an important consideration if you wish to store a portion of the electricity generated.

Are solar panels worth it 2023?

Yes, solar panels are considered a worthwhile investment in 2023 due to long-term savings on electricity bills, government incentives, potential earnings from excess electricity generation, environmental benefits, and an increase in property value. Despite the UK’s often cloudy weather, solar panels can still generate electricity, it’s advised to assess your specific situation, possibly with the help of solar professionals, to determine the exact benefits you could reap from a solar panel installation.

How many solar panels do I need for a 4 bedroom house?

The number of solar panels you would need for a 4-bedroom house depends on your household’s energy consumption, the solar panel’s wattage, and your location’s sunlight availability.

Generally, a larger house might require a solar system size of around 4kW to 6kW or more. For example, a 4kW system may require around 10 solar panels of 400W each. It’s advisable to get a professional solar assessment to determine the exact number of solar panels you’ll need based on your energy usage and other factors.

Will a 10kW solar system run a house?

Yes, a 10kW solar system is capable of running a house, provided that the household’s energy consumption is within or below the energy production capacity of the system. It’s a substantial system size that can generate a significant amount of electricity, often enough to cover the energy needs of a large household.

However, the actual sufficiency of a 10kW solar system would depend on your specific energy usage, the efficiency of your solar panels, and the amount of sunlight your location receives. It’s advisable to consult with a solar professional such as the team here at Glo Renewables to determine the appropriate solar system size for your home.

Can I get a grant for solar panels?

Yes, there are various grants and financial incentives available for solar panel installations in different regions. In the UK, for instance, government-funded initiatives like the ECO4 scheme provide financial assistance for installing solar panels. It’s advisable to check with local government bodies or renewable energy agencies to learn about the specific grants, tax incentives, or rebates available in your area for solar panel installations​.

Do solar panels work in winter?

Yes, solar panels can work in winter. However, their efficiency might be reduced compared to sunny summer days due to shorter daylight hours and possibly more cloud cover. Snow can also cover the panels, blocking sunlight, but a light dusting of snow can easily slide off, especially if the panels are installed at an angle. It’s important to note that cold temperatures can actually improve a solar panel’s performance, as they tend to generate electricity more efficiently in cooler conditions.

Will a 4kW solar system run a house?

A 4kW solar system can contribute significantly to powering a house, especially if the household has energy-efficient appliances and practices energy conservation.

However, whether it can fully power a house depends on the household’s total energy consumption, the location’s solar insolation, and other factors like the efficiency of the solar panels and the solar system setup. It’s advisable to consult with a solar energy professional to get a precise assessment based on your specific circumstances.

Do solar panels need planning permission?

In many areas, solar panels do not require planning permission as they are considered “permitted development.” However, there are some exceptions, especially in conservation areas or on listed buildings. It’s advisable to check with your local planning authority to understand the specific regulations and requirements in your area. If in doubt, it’s always a good idea to apply for planning permission to avoid any potential issues.

How much solar does it take to run a 3 bedroom house?

The solar capacity required to power a 3-bedroom house typically ranges from 3 to 4 kW, depending on various factors like the household’s energy consumption, the geographical location, and the efficiency of the solar panels. The team at Glo Renewables would be happy to conduct a site assessment to determine the solar capacity needed for your specific circumstances.

How long do solar panels last?

Solar panels are known for their longevity and can last a long time with proper maintenance. Most solar panels come with a warranty of 25 to 30 years, but they can continue to generate electricity beyond this period, albeit at a reduced efficiency. It’s not uncommon for solar panels to be operational for 35 to 40 years or longer. Over time, the efficiency of solar panels gradually decreases, a phenomenon known as degradation, which usually averages around 0.5% to 3% per year.

Can solar panels heat a house UK?

Solar panels are primarily designed to generate electricity. However, they can indirectly contribute to heating a house if the generated electricity is used to power heating systems. There are also solar thermal systems specifically designed to provide hot water and heating for homes. In the UK, both types of solar systems can be used to help heat a house, although the effectiveness of these systems can be influenced by various factors such as the local climate, the orientation and efficiency of the panels, and the insulation and energy efficiency of the house.

How many solar batteries are needed to power a house?

The number of solar batteries needed to power a house depends on the house’s energy consumption, the capacity and efficiency of the batteries, and the solar panel system’s output. It’s advisable to consult with a solar energy professional who can evaluate your home’s energy needs and recommend an appropriate number and type of solar batteries for your situation.

Do solar panels need maintenance?

Yes, solar panels require some maintenance to ensure they operate efficiently over time. However, they are relatively low maintenance compared to other forms of energy systems. Common maintenance tasks include cleaning the panels to remove dust, dirt, bird droppings, and snow, and checking for any physical damage or shading.

It’s also advisable to have a professional inspect the system periodically to ensure all electrical connections are intact and the system is operating correctly. Here at Glo Renewables, we offer maintenance services, which can be a convenient option for ensuring your solar system remains in good working condition.

How often do solar panels need to be cleaned?

The frequency with which solar panels need to be cleaned can vary based on the local environment and weather conditions. In areas with a lot of dust, pollen, or bird droppings, more frequent cleaning may be necessary. A common recommendation is to check your solar panels every few months and clean them as needed. Some solar owners find they only need to clean their panels once or twice a year.

It’s advisable to consult with your solar installer for personalised advice based on your specific circumstances and local conditions.

Can hail damage solar panels?

Yes, hail can potentially damage solar panels. However, many solar panels are designed to withstand hail storms and are tested for impact resistance before being sold. The extent of potential damage depends on the size of the hailstones, the velocity at which they fall, and the quality and construction of the solar panels. If you live in an area prone to hail storms, it’s advisable to inquire about the hail resistance of solar panels before purchasing a solar energy system.

What is the carbon footprint of a solar panel?

The carbon footprint of a solar panel is primarily associated with its manufacturing, transportation, and disposal processes. However, once installed, solar panels generate clean, renewable energy, which can significantly offset the emissions produced during their lifecycle. Over time, the clean energy produced by solar panels usually more than compensates for the emissions associated with their production and disposal, making them a net-positive choice in terms of carbon emissions.

The team at Glo Renewables are always onhand to discuss your solar needs. Contact us to discuss your requirements at: or give us a call on: 01803 446101

If You’re Going Green, Go Glo!


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