Installing Solar Panels On A Caravan | All You Need To Know

Installing Solar Panels On A Caravan | All You Need To Know

Traveling is sure to be an adventure but it does come with its own challenges. One of them is your source of electricity when on the road. The solution? Installing solar panels on your caravan.

For the most part, caravan solar panels can be easy to install. They can also provide enough power to run your appliance, mobile devices, and lights while you travel.

So, in this article, I’m covering all there you need to know about installing PV panels on your caravan. Below are the topics I’m covering. Feel free to tap on any of the bullets to skip sections.

How to install solar panels on a caravan

You’ll need these materials:

How To Install Solar Panels On A Caravan, you will need materials such as battery, solar panel, inverter, wiring and connectors.
  1. Solar panels: How many panels you need will depend on your energy requirements. The size of your caravan roof will also determine the maximum number of panels you can install.
  2. Solar charge controller: This regulates the amount of power that flows from your solar panels to your battery. It prevents overcharging and damage.
  3. Battery: There are different types of solar batteries you can choose from. Lithium batteries are small and affordable so they’re the most common, but you can also choose from lead acid, saltwater, and gel.
  4. Inverter: Likewise, you can also choose from different types of inverters. They’re in charge of converting the DC power from your solar panels to the AC power that the appliances in your caravan use.
  5. Wiring and Connectors: You will need wiring to connect the solar panels, charge controller, battery, and inverter. Connectors and fuse boxes will also be needed to ensure proper connections and safety.
  6. Mounting brackets: These will secure your solar panels to your caravan’s roof or other surfaces.

Get 3 Solar Quotes From Quality Local Installers.

You’ll need these tools, too:

In addition to the basic components listed above, installing photovoltaic panels on a caravan can require a range of tools, some of which include:

  • Power drill: You’re going to drill holes in your caravan’s roof for the mounting brackets that will hold your panels.
  • Screwdrivers: No project will ever be complete with a set of screwdrivers. Needless to say, get the ones that match the type of screws you’re using.
  • Wire strippers: You’ll need these to remove insulation from the wires and prepare them for connecting.
  • Pliers: Pliers can be used to crimp connectors onto wires or to hold components in place while you work.
  • Wire cutters: These are essential for cutting and trimming wires to their appropriate lengths.
  • Multimeter: These things will measure electrical current, voltage, and resistance. You’re going to need these to test and troubleshoot the electrical components of your solar system.
  • Sealant: Sealants like silicone and butyl tape seal the edges and screw holes to prevent water from entering your caravan.
  • Safety equipment: You will need gloves, safety glasses, and possibly a hard hat to ensure your safety while installing your caravan solar panels.

Brief step-by-step guide on installing solar panels on caravan roofs:

Determine the right system size and location for your solar panels.

You’ll need to consider the size of the panels, the capacity of your battery, and the amount of energy you need to power all the appliances and devices in your caravan.

Gather all the necessary tools and materials.

You will need your panels, charge controller, batteries, inverter, wiring, connectors, mounting hardware, sealant, and a ladder, as well as the other tools listed above.

Install the mounting brackets or rails.

The mounts are used to secure the panels to the caravan’s roof. Make sure that they are securely fastened to the roof and that there are no leaks.

Install the solar panels on the mounting hardware.

Carefully place the solar panels on the brackets and secure them using screws and nuts.

Connect the solar panels to the charge controller.

Use the wiring and connectors to connect the solar panels to the charge controller which will regulate the amount of power that flows from the panels to the battery.

Connect the charge controller to the battery.

Use wiring and connectors to connect the charge controller to the battery, which will store the solar power generated by your panels.

Connect the battery to the inverter.

Use wiring and cables to connect the battery to the inverter to make your system capable of converting DC to AC.

Seal around the solar panel.

Use a sealant such as silicone or butyl tape to seal around the edges of the solar panel and the screw holes to prevent water from entering your caravan.

Test your solar system.

Once everything is installed, test your solar system to make sure that it’s generating sufficient power and functioning properly.

How much energy will I need for my caravan?

The factors that can help you determine how much energy you will need for your caravan include:

  • The size and shape of your vehicle: The larger the vehicle, the more space you will have for solar panels and the more appliances and devices you can use with solar power.
  • Appliance power consumption: All the appliances in your caravan have their own rated energy usage (in watts). Add all of those up to figure out how much solar power you need. This information is usually seen as a sticker on the appliance or its user manual.
All the appliances in your caravan have their own rated energy usage (in watts).
  • Daily usage time: The number of hours you plan to use each appliance or device per day. This will help you calculate the daily energy consumption of each device.
  • Battery capacity: The more energy your battery can store, the more panels you will be able to install.

Get 3 Solar Quotes From Quality Local Installers.

Benefits of installing solar PV panels on a caravan

Every solar panel creates clean energy

There are no emissions, pollution, or waste produced when generating electricity via solar panels. It is, therefore, an environmentally friendly way to power your caravan.

Enjoy the comforts of home off-grid

You can enjoy electricity even in remote areas where there is no access to traditional power sources. This is especially useful for caravanning, where you might be exploring remote locations.

Sleek and Space-Saving

Solar panels can be easily mounted on the roof of a caravan without taking up too much space. They are also lightweight, so your vehicle won’t be lugging too much weight.


Solar panels are built to last and are durable enough to withstand harsh weather conditions. Granted, there are many different types of solar panels, some more durable than others. Nevertheless, they all require very little maintenance and can last for several years.

The best brands of solar panels you can install on your caravan

The best brands of solar panels you can install on your caravan


Sunpower is a leading provider of high-performance solar panels designed for caravans and other recreational vehicles, as well as household and commercial installations.

Their panels are designed for superior solar power output and durability, ensuring reliable and long-lasting performance for years to come. They also have sleek and modern designs that are easy to install.

Trina Solar

Trina Solar is our top recommendation for budget builds. They are a leading provider of photovoltaic modules that are designed to be durable and reliable with excellent performance.

The catch is that while they’re cheaper, their solar panels are also slightly less efficient than Sunpower’s.

Canadian Solar

Canadian Solar is right up there with Sunpower in terms of power output and efficiency. It’s also a slightly cheaper option. The biggest difference is durability. Sunpower’s panels have warranties that can last up to 40 years while Canadian’s last 25-30.

A 25-year warranty is the industry’s standard, though, so it’s not even a problem.

How much does it cost to install solar panels on a caravan? 

Expect the price to vary anywhere between $500 to $4000.

It’s a wide range because it also depends on so many things, such as how many solar panels you want to install, any modifications or repairs you might have to do to your caravan, as well as the complexity of the installation.


Solar energy is becoming increasingly popular as people who own caravans look for ways to be more comfortable and eco-friendly while on the road. If you’re one of these people, I hope this guide helped.

Now, if you instead need help with your home’s solar panels, we can help with that, too. We have a network of pre-vetted installers ready to give you 3 FREE quotes right away.