• Save 70% On Average On Your Electricity Bills
  • Accredited Installation Teams
  • Expert Advisors Ready To Help You

Solar Panel Installations in Cornwall

If you’re looking for a sustainable way to reduce your bills, look no further than our solar PV installations in Cornwall. Whether you’re a home or business owner, with our solar solutions you can reduce your reliance on the grid and become more energy efficient. Get in touch today for your free quote.

01942 918 844

How much could you save?

  • Save an average of 70% on your electricity bills
  • Expert advisors and nationwide coverage
  • Clean, renewable, carbon-neutral energy
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Solar Battery Storage

Why Choose Grant Store For Your Solar Installations in Cornwall?

With decades of experience in the industry, we have built a reputation as one of the most trusted suppliers and installers of solar solutions in Cornwall.

From small domestic systems to large commercial projects – there’s no job too small or too complex for us. So, no matter the scale of your solar needs, you can trust our expert installers to get the job done to the highest of standards.

Choose Grant Store and experience our 5-star service for yourself. Whether you know exactly what you’re looking for, or you’re in need of honest, trustworthy advice, there’s no better place to turn to.

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Solar Panel Installation Costs in Cornwall

We know that the initial cost of solar panel installations in Cornwall can be daunting. Domestic systems tend to be priced between £5,000 and £15,000, depending on the size of the system, the battery and the type of panel you choose.

Commercial systems are often a lot more complex, and require more detailed customisations. Because of this, their prices differ much more widely.

Not sure it’s within your price range? You may be eligible for a grant or you could look at financing options with us. Our goal is to make solar installations in Cornwall more affordable and accessible. Not sure where to start? Don’t worry – we’re here to help. Give our team of expert solar installers in Cornwall a call today.

How PV solar panels work
  • Sunlight hits the solar cells in the panel
  • The sunlight knocks electrons loose from the atoms of the semiconductor material
  • These electrons flow through the cell, creating an electric current
  • The electric current passes through an inverter, which converts it into AC electricity
  • The AC electricity can then be used to power your home or business

Fully Accredited Solar Panel Installers

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  • giv-energy-logo
  • growatt-logo
  • fox-ess-logo
  • viridian-solar-logo
  • esdec-logo
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  • solis-inverters
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  • Tesla Energy
  • Construction Line
  • JA Solar
  • Gas Safe Register

Reduce operational expenses, lower utility bills, and protect your company against rising energy costs with a PV solar panel installation.

Homeowners and private tenants

Solar panels provide long-term cost savings on electricity bills, energy independence, and a potential increase in property value.

Local authorities

Reduce your infrastructure expenses, reduce carbon emissions in the local community, and enhance your reputation for sustainability.

Start saving money today

How much could you save?

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  • Save an average of 70% on your electricity bills
  • Expert advisors and nationwide coverage
  • Clean, renewable, carbon-neutral energy
The positives of solar panel-generated energy provide
  • Save money on your electricity bills
  • Reduce your carbon footprint
  • Increase the value of your home
  • Protect yourself from power outages
  • Become more energy independent
The negatives of traditional energy supply
  • Fossil fuels are a resource that will eventually run out
  • Burning fossil fuels can cause serious health problems
  • Fossil fuels are a major contributor to climate change
  • Prices are volatile, making it difficult to budget for energy costs
  • Extraction of the raw materials poses health risks to communities

Growatt is one of the biggest suppliers of photovoltaic solar panels in the world, and we’re proud to be an associated partner of theirs.

  • Global No. 1 residential inverter supplier
  • Global top 3 PV inverter suppliers
  • Global No. 1 user-side energy storage inverter supplier

How it works

To get an idea of what an installation might cost you or to see if you’re eligible for solar panel grants, follow these three simple steps, and you’ll soon be benefiting from clean and free solar energy.


Tell us about you

We only need a couple of details to establish things like the location, size, and power requirements of your home, business, or public space location to give you a highly competitive quote. If you’re applying for solar panel grants via the ECO4 scheme, we might also need a few more details to determine how much you can claim.


Find the best package

We’ll perform a comprehensive survey of your property to see which solar panel set-up would be most efficient for it.


Book your installation

All our professional solar installers are fully regulated and accredited, so you know you’ll be getting first-class service every step of the way on your renewable energy journey

Why take our advice?

We’ve already helped thousands of homes, businesses, and local authorities with cost-effective, energy-saving, eco-friendly solar panel solutions. With over five decades of experience and glowing reviews on Trustpilot, it’s no wonder that Grant Store is the name that people trust for innovative energy solutions.


You must have a few questions. Here’s the answer to a couple of the most frequently asked ones relating to solar panels and solar panel grants, but if you have any more, we’d be happy to help.

How much do solar panels cost?

The cost of solar panels can vary depending on the size of the system and the type of panels you choose. Generally, you can expect to pay between £5,000 and £15,000 for a domestic system.

How much energy do solar panels generate?

The amount of energy that solar panels generate depends on the size of the system, the amount of sunlight that your home receives, and the efficiency of the panels. A typical system will generate enough electricity to offset about 30% to 50% of your home’s energy use.

What are the drawbacks of installing solar panels?

The main drawback of installing solar panels is the upfront cost. However, the cost of solar panels has been declining in recent years, and there are a number of government incentives available to help offset the cost. Get in touch today to see what grants you could be eligible for.

How many solar panels do you need to run a normal house?

According to studies performed by Ofgem and OVO Energy, the average UK household uses between 56 and 72 kWh of electricity each week. To put that into some kind of context, a one-bed flat would need approximately 6 solar panels, while an average 3-bed home would need 10 panels.

Are solar panels enough to power a house?

Definitely! However, the number of solar panels you’ll need will depend on the size of your home, the type of roof you have, the direction your home faces, and your energy usage. For example, if you have a small home and don’t use a lot of electricity, you may be able to power your entire home with solar panels, but if you have a large home or use a lot of electricity, you may need to supplement your solar panels with energy from the national grid.

How much do I get for selling electricity back to the grid in the UK?

This depends on the Smart Export Guarantee (SEG) tariff that you’re on. The SEG tariff is set by your energy supplier, and the rates can vary. However, the average SEG tariff in the UK is around 4.5p per kWh, meaning that for every kWh of electricity that you export to the grid, you’ll be paid 4.5p. If you’re considering installing a solar energy system with a view to selling energy back to the National Grid, speak to one of our expert advisors, who can give you a better idea of the sort of setup that you’ll need.

Does Your Solar Team Operate Near Me?

We help customers all across Cornwall with their solar installations, so no matter where you’re based, you can count on us. Located somewhere else in the UK? We operate nationwide, so we can support your project, no matter where you are.