Back to Blog
Home > > Solar Panels for Boats UK: A Compact Guide to Marine Energy Solutions

Solar Panels for Boats UK: A Compact Guide to Marine Energy Solutions

Solar panels have become an increasingly popular choice for boat owners in the UK, as they offer a sustainable and efficient way to generate electricity for various applications on board. With the advancements in solar panel technology, it has become easier to find suitable options for various types of boats, including narrowboats, yachts, and cruisers.

There are different types of solar panels available for marine use, such as rigid-framed panels with aluminium frames, semi-flexible panels, and marine grade panels that can flex up to 10% and are designed to withstand harsh conditions at sea. When selecting solar panels for your boat, it is important to consider factors such as power requirements, space constraints, and the intended purpose of use, such as charging boat batteries, powering appliances, or keeping 12V batteries topped up.

Types of Solar Panels for Boats

There are various types of solar panels suitable for boats, each with its own set of advantages and disadvantages. It is essential to choose the right solar panel for your boat based on factors such as available space, energy needs, and budget. In this section, we will discuss some of the main types of solar panels commonly used for boats in the UK.

Rigid-framed solar panels

Rigid-framed solar panels are the standard type of solar panels that come with an aluminium frame. They offer a high level of efficiency and are available in various sizes and wattages. However, their rigidity may make them unsuitable for curved surfaces on boats. Rigid-framed panels are generally more affordable than flexible panels.

Semi-flexible solar panels

Another option for boat owners is semi-flexible solar panels, which can flex up to 10%. These panels can easily be mounted on curved surfaces and tend not to add much weight to the boat. They are also more resistant to impact and environmental hazards than rigid-framed panels, making them suitable for marine conditions.

Marine-grade solar panels

Marine-grade solar panels are specifically designed for the harsh conditions found in marine environments. These rugged panels can also flex up to 10%, making them suitable for installation on various surfaces on the boat. They are often made of high-quality materials and have a durable construction.

Furthermore, solar panels can be classified based on their internal structure, such as amorphous, printed, polycrystalline, and monocrystalline panels. Amorphous panels are relatively large but perform well in shady conditions, while printed panels have low conversion efficiency. Polycrystalline panels offer a good balance of efficiency and cost, while monocrystalline panels provide the best efficiency and lifespan but tend to be more expensive.

Benefits of Solar Panels on Boats UK

One of the main advantages of using solar panels on boats is the reduction in carbon emissions. As solar power is a clean and renewable energy source, it helps in decreasing the boat's dependency on diesel or petrol, thus reducing your boat's impact on the environment.

Fuel cost savings is another significant benefit of installing solar panels on boats. When solar panels are used to charge the boat's batteries, less fuel is consumed, leading to lower diesel costs. A 30-watt marine solar panel typically costs around £70, making it an affordable option for many boat owners.

Furthermore, solar panels contribute to a reduction in noise levels on your boat. By switching to solar power, you can rely less on noisy fuel-powered generators, which results in a more peaceful and enjoyable boating experience.

Solar Panel Installation – Get Your Free Quotes Today
Compare quotes from different installers to get the best pric.  We’re not here to sell you anything. We will give you unbiased advice and match you with suitable installers.

    Request Quotes

    What solar quotes do you need?

    Preferred time of installation?

    Which of these best describes your home?

    Property ownership?

    Which direction does your roof face?

    What is the pitch of your roof?

    What material is your roof?

    Is there any shading that impacts your roof?

    Are there any windows on your roof?

    We care about your privacy

    Privacy and Cookies Policy

    Thank you for using Solar Panel

    What happens now?

    • Our customers service team reviews your request.

    • We will contact you by phone to confirm your information.

    • Based on your information, we will match you with relevant suppliers who will contact you directly with their respective quotes.

    Solar panels also contribute to increased self-sufficiency, as they can provide a consistent energy supply for your boat's appliances and electrical needs. Solar panels enable you to recharge your boat's battery without purchasing gasoline, thus allowing you to remain off-grid for extended periods.

    Lastly, solar panels have the advantage of being low maintenance. Once they are installed, they require minimal upkeep and can provide an uninterrupted power supply for years, making them a cost-effective solution for long-term boat usage.

    Selecting the Right Solar Panel

    Finding the perfect solar panel for your boat involves considering factors such as efficiency, durability, and flexibility. Here are some key aspects to bear in mind when choosing solar panels for your boat:

    1. Panel Type: There are two main types of solar panels: monocrystalline and polycrystalline. Monocrystalline panels have higher efficiency and are typically more expensive, while polycrystalline panels are more budget-friendly but have lower efficiency. Choose the type that suits your energy needs and budget.
    2. Size and Power Output: The size of the panel should match your available space on the boat, and its power output should meet your energy requirements. Power output is measured in watts, so ensure you calculate your boat's energy needs before selecting a panel.
    3. Flexibility vs. Rigidity: Some solar panels are rigid, while others are flexible. Flexible panels can be easily mounted on curved surfaces, such as boat decks, while rigid panels have better durability but require more planning for installation. Considering your boat's structure and mounting options is crucial in making this decision.
    4. Weather Resistance: Since your solar panels will be exposed to various weather conditions, it is essential to choose panels that are designed to withstand moisture, high winds, and saltwater corrosion. Ensure you check the specifications for weather resistance when making your selection.

    Remember to consult a marine electrician or solar panel expert for professional advice on choosing suitable solar panels for your boat in the UK. They can guide you through the selection process, taking into account your specific energy needs and budget constraints.

    Installing Solar Panels on a Boat in the UK

    When installing solar panels on a boat in the UK, there are several factors to consider, such as panel type, mounting methods, and positioning. It is essential to choose the right type of solar panel for your specific needs, taking into account the boat's size and power requirements.

    There are two main types of solar panels suitable for boats: rigid and flexible panels. Rigid panels are generally more efficient but require a sturdy mounting system, while flexible panels can be more easily mounted on curved surfaces, such as a boat's deck or coach roof.

    When mounting solar panels on a boat, it is essential to ensure a secure attachment. The method of installation will depend on the panel type and location. For rigid panels, you can use brackets and screws to attach them to guardrails or pushpit. Flexible panels can be adhered directly to the boat's surface using adhesives or secured with velcro or straps.

    Positioning the solar panels is crucial for maximising their efficiency. Aim to place them in an area with minimal shading and maximum sun exposure. Consider the boat's movements and how any masts, booms, or other equipment may affect the panels' exposure to sunlight throughout the day.

    In the UK, you may need to adjust your expectations of solar power output due to the more variable weather conditions. On a sunny summer day, a reasonably sized solar array could still produce a significant amount of power. However, during winter months, fewer daylight hours and cloudy skies can limit solar power generation.

    Maintenance and Care Tips

    Proper care and maintenance are essential for maintaining the efficiency of your solar panels on your boat. Regular cleaning and inspection can help you avoid any potential damage or issues.

    Firstly, it is important to clean your solar panels regularly, as dust, bird droppings, and other debris can reduce their efficiency. Use a soft cloth, mild detergent, and clean water to gently wipe down the surface of the panels. Avoid using abrasive materials or high-pressure water, as this can cause damage to the panels. You should also rinse your solar panels with fresh water after sailing in saltwater conditions, helping prevent salt build-up and corrosion.

    Secondly, inspect your solar panels for any signs of wear and tear, such as cracks, frayed cables, and loose connections. Ensure that the mounting hardware is secure and not causing any stress on the panels. If you notice any issues, it is best to consult a professional solar technician for repairs or replacements.

    Lastly, monitor your solar panel system's performance to ensure it is working efficiently. Keep track of the energy generated and monitor for any drops in performance. This can help you identify any issues early on and address them promptly.

    By following these maintenance and care tips, you can prolong the lifespan of your solar panels for boats and maintain optimum energy production.

    UK Regulations and Guidelines

    When installing solar panels on boats in the UK, it is important to adhere to relevant regulations and guidelines to ensure safety and efficiency. The first step to consider is to assess your boat's energy requirements, which can be calculated by adding up the watt-hours used by each device on board.

    In general, UK boating regulations focus more on safety than on specific solar panel installations. Thus, it is crucial to follow the necessary standards set by industry organisations, such as the Boat Safety Scheme (BSS) and Maritime and Coastguard Agency (MCA).

    The BSS has a set of essential safety requirements for boats, which include electrical installations. While primarily tailored for larger boats and yachts, these guidelines can also apply to boats with solar panels. Key BSS considerations include:

    • Properly sizing cables and fuses
    • Having an adequate means of isolating electrical devices
    • Using appropriate components for marine environments

    On the other hand, the MCA's guidelines for electrical installations (MGN 631) are mainly for vessels over 24 metres in length or authorised to carry more than 12 passengers. However, they do mention renewable energy systems, including solar power, and provide recommendations for system design, installation, and maintenance. These guidelines offer valuable insights for solar panel installations on boats of all sizes.

    It's also important to note that solar panels typically do not require planning permission, as they are considered permitted development. However, it is always wise to double-check if local restrictions or specific requirements apply in your case.

    In summary, adhering to UK regulations and guidelines when installing solar panels on boats is crucial for safety and efficiency. Be sure to review the BSS and MCA recommendations and consult professionals when necessary to ensure successful solar panel integration on your boat.

    Popular Solar Panel Brands for Boats in the UK

    In the UK, there are several reliable and well-regarded solar panel brands that cater to the needs of boat owners. In this section, we will discuss a few of the top brands that offer high-quality solar panels for maritime use.

    Giosolar is a brand that has gained popularity among boat owners for its high-efficiency and flexible solar panels. The Giosolar 1,000W flexible solar panel is an excellent option for those looking to maximise their yachts' power generation.

    Mobisolar is another noteworthy brand that offers portable and convenient solar panels for boating enthusiasts. Their 100W foldable solar panel is easy to install and transport, making it a preferred choice for UK boat owners.

    Eco-worthy solar panels are known for their durability and performance. The Eco-worthy 100W solar panel is highly recommended for boats due to its efficient energy conversion and sturdy build.

    It's essential to research and compare these solar panel brands when looking for the best option to suit your boat's specific needs. By choosing the right solar panel brand and product, you can ensure that your boat remains self-sufficient and powered sustainably while out on the water.


    In summary, solar panels prove to be a practical and eco-friendly solution for boat owners in the UK. Among the various options available, one can choose between rigid-framed, semi-flexible, and marine-grade solar panels to meet specific needs and preferences. Each type offers distinct advantages in terms of durability, flexibility, and aesthetics.

    When selecting the best solar panel for a boat, it is crucial to consider factors such as power requirements, space constraints, and budget. As demonstrated by options like the EcoFlow 400W Portable Solar Panel, high-efficiency panels can provide sufficient power for various marine activities, while also maintaining essential devices like GPS displays and mini-fridges.

    Overall, incorporating solar panels for boats enhances the navigation experience by offering a sustainable source of energy, cost savings, and quiet operation compared to traditional gas-powered generators.

    hello world!
    Share this
    Mark McShane
    Content Writer
    Mark McShane is a seasoned professional in the solar industry and the owner of Skills Training Group, a leading provider of solar training and education. With years of experience in the field, Mark has developed a deep understanding of the latest trends, technologies and best practices in the industry. His expertise and passion for solar energy have helped countless professionals develop the skills and knowledge needed to succeed in the fast-growing field of solar energy. Whether you’re an aspiring solar professional or an experienced industry veteran, Mark is an excellent resource for anyone looking to enhance their skills and knowledge of the solar industry.
    Related Articles
    Your Guide to the Different Types of Solar Panels
    The last decade has seen a steady rise and the popularity of rooftop solar panels! The push for renewable energy sources has increased solar energy utilisation. These types of solar panels and solar tiles are much different than you think, having different manufacturing process, uses, and other factors! Solar energy is reliable, long-lasting, save money […]
    Mark McShane
    Content Writer
    May 15, 2023
    What Is Solar Panel Installation? All You Need to Remember
    A solar panel installation is an effort toward energy conservation and carbon footprint reduction that involves putting together a solar power system with all its components.   Here’s in-depth information about it.  Things to Do Before Solar Panel Installation Before we get into how to install a solar panel, you should first be ready with what […]
    Mark McShane
    Content Writer
    May 15, 2023
    How to Start Solar Panel Installation Business: A Step-by-Step Guide
    How to Start Solar Panel Installation Business: Everything You Need to Know The solar industry has been thriving in recent years. This is thanks to people turning to renewable energy solutions to power their homes. On top of that, solar installations have increasingly become more attractive thanks to more efficient but less expensive solar panels. […]
    Mark McShane
    Content Writer
    May 14, 2023
    Popular Articles
    © Solar Panel Installation Limited - SC751192 - 2023 All rights reserved. 94 Hope Street, Glasgow, G2 6PH