20 Kwh Solar System Cost in Ireland

Raj Singh
December 1, 2023

Understanding the cost of a 20 Kwh solar system in Ireland might feel like you're dealing with a tricky puzzle, isn't that right? You're not alone!

We've delved into extensive research and obtained real-world insight from industry experts to create an informative guide for you.

In this article, we will break down the complicated solar panel pricing, potential savings, and government incentives so that you can make an informed decision.

So, let's learn about harnessing this renewable energy solution in Ireland.

How Much Do Solar Panels Cost in Ireland?

The cost of solar panels in Ireland depends on various factors, including the size of the system and the quality of the panels.

Factors That Determine Cost

The cost of solar panels can change a lot. A few things impact the price. The size of your house is one thing to think about. Bigger houses need more panels. How much sun your roof gets matters too.

More sun means fewer panels are needed for the same amount of energy. Also, different companies will have different prices for their services and products; this changes the total cost as well.

Real-World Data On Solar Panel Prices In Ireland

We found some real-world data on solar panel prices in Ireland that might interest you. On average, solar panels in Ireland can cost between €3,500 and €12,000. For a 2-bed terraced house with a 3.28 kW system, the estimated cost of solar panels is around €4,237.

If you have a 3-bed semi-detached house and want to install a 4.10 kW solar system, it could cost approximately €4,749. These are just examples to give you an idea of the costs involved in installing solar panels in Ireland.

It's important to remember that these prices may vary depending on factors such as the size of your home and the specific requirements of your installation.

When considering whether or not to invest in solar panels for your home, it's essential to calculate the potential payback period. In Ireland, the average payback period for a solar system is around five years and two months.

This means that after this time frame, the savings generated by your solar panels will offset their initial cost.

Additionally, you should also consider the environmental benefits of installing solar panels. As per estimates, a typical residential-sized array can help save approximately 1,285 kg of CO2 emissions per year. This reduction in carbon footprint is equivalent to planting around 43 trees annually!

Potential Payback Period For Solar Panels

Calculating the electricity generated by solar panels and considering the reduction in carbon footprint can provide a potential payback period for homeowners in Ireland.

Calculating the amount of electricity generated

To calculate the electricity generated by a solar panel system in Ireland, we need to know its size and efficiency. On average, a 4.25 kWp solar array can generate approximately 3,724 kWh of electricity per year.

This means that over the course of a year, your panels can produce enough energy to power your home and potentially even sell some back to the grid. It's an effective way to reduce your reliance on traditional energy sources and save money on your electricity bills.

So if you're considering installing solar panels in Ireland, it's important to consider how much electricity they can generate based on their size and efficiency.

Carbon Footprint Reduction

Installing a solar system in Ireland can greatly reduce your carbon footprint. By generating clean and renewable energy, you can significantly decrease the amount of CO2 emissions released into the atmosphere.

On average, a solar array in Ireland can save approximately 1,285 kg of CO2 emissions per year. This is equivalent to planting about 64 trees or driving about 7,300 miles less with an average car.

If you are looking for an affordable 20Kwh solar system cost, then with Nusolas Energy, you are taking a positive step towards protecting the environment and reducing your impact on climate change.

Government Incentives For Solar Energy In Ireland

To encourage the adoption of solar energy, the Irish government offers grants to homeowners who install solar panels. Applying for a grant is a simple process that involves applying and providing the necessary documentation.

The cost evaluation helps determine if you're eligible for a grant based on factors such as your household's income and the estimated cost of installing the solar panels. 

By taking advantage of these incentives, homeowners can significantly reduce their upfront costs and enjoy the long-term benefits of solar energy.

How To Apply For A Grant

If you're interested in applying for a grant to help cover the cost of installing a solar system in Ireland, there are a few steps you can take. First, check if you meet the eligibility criteria set by the government or any relevant organisations offering grants.

Next, gather all necessary documentation, such as proof of ownership and energy bills. Then, complete the application form and provide all the required information accurately. Remember to include details about your proposed solar project and how it aligns with sustainability goals.

Finally, submit your application before the deadline and wait for a response. It's important to note that each grant programme may have different requirements and processes, so be sure to carefully follow instructions provided by the granting agency.

Cost Evaluation And Estimation

Now let's talk about how to evaluate and estimate the cost of installing a solar system in Ireland. The price of solar panels can vary depending on factors like the size of your array and the type of panels you choose.

On average, a 4kW solar system for a homeowner in Ireland costs between €8,000 and €10,000. For smaller systems, like a 2-bed terraced house with a 3.28 kW system, the cost is around €4,237.

And for a 3-bed semi-detached house with a 4.10 kW system, it can be approximately €4,749.

When estimating the payback period for your investment in solar panels, consider that it typically takes around 5 years and 2 months to recoup your initial costs through electricity savings.

This means that after this time frame, you'll start seeing returns on your investment as you save money on your energy bills.

Remember that installing solar panels not only helps you save money but also reduces your carbon footprint by cutting down on approximately 1,285 kg of CO2 emissions per year.


When considering installing solar panels in Ireland, there are several factors to keep in mind. The cost of solar panels can range from €3,500 to €12,000, depending on various factors.

Additionally, government incentives and grants are available to help offset the cost. Ultimately, investing in solar energy can lead to significant savings on electricity bills and a reduction in carbon emissions.

It's worth exploring these options and evaluating the potential payback period before deciding.

Need assisstance?

Contact NuSolas now and Get Free Advice & Quote Within Minutes!

Frequently Asked Questions

What is the cost of a 20 Kwh solar system in Ireland?

The cost of a 20 Kwh solar system in Ireland includes installation prices and solar PV system costs, which can be offset by solar panel grants.

How much savings can I make from a 20 Kwh solar power system?

Solar energy savings in Ireland depend on your residential power use, the efficiency of your solar panels, and the green energy subsidies available.

Can I get help with the price of installing a solar panel system?

Yes, there are various grants, like the Solar Panel Grant, that help reduce the solar panel installation cost for homes in Ireland.

Is it worth investing in solar panels for my home?

A well-sized solar array could offer good investment returns over its payback period due to reduced energy bills and CO savings.

Do solar panel price guides offer information on different sizes of solar systems?

Yes. Solar panel price guides provide information on varying sizes, including residential systems, as per your needs, along with average costs across Ireland.

What are some advantages offered by this sustainable option?

Renewable energy systems like these not only cut down on green energy costs but also reduce dependence on non-renewable resources, thus promoting better consumption habits.

Get a FREE Consultation & Quote

Fill out the form below to book a free consultation with one of our solar PV experts.

Valid number
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Please refresh and try again.
*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.
About Author
Raj Singh

A seasoned professional in the solar industry, Raj Singh is dedicated to illuminating Ireland with the power of the sun. His passion for renewable energy and commitment to sustainability shine through his work in the solar industry.