Solar PV Cost in Ireland

Matt Keane
December 5, 2023

Navigating the costs of solar PV (photovoltaic) systems in Ireland can be complex for those looking into renewable energy options. The installation price varies based on factors like system size, panel types, and additional installation fees. 

Moreover, government incentives and the particular energy needs of your home or business in Ireland have an additional impact on these costs. It’s essential to understand the complete expenses involved to make an informed solar investment decision.

Consequently, this guide breaks down the various components of solar PV costs in Ireland. It provides clear and concise information, helping you assess the financial implications of solar energy. Whether for residential or commercial use, understanding these costs is a vital first step towards a successful transition to solar power.

Are you keen to lighten the load on your journey towards solar investment? Well, then let's crack on!

Key Takeaways

  • Solar panel costs in Ireland vary depending on the type of house, ranging from €6,000 for a two-bedroom terraced house to €18,000 for a six-bedroom stand-alone property.
  • The payback period for solar panels in Ireland is around 4 years and 9 months, meaning that the cost can be recouped through energy savings in less than 5 years.
  • Having a battery for your solar PV system is important, as it allows you to store excess electricity generated during the day and provides backup power during blackouts or emergencies.
  • There are grants available in Ireland for installing solar panels provided by the Sustainable Energy Authority of Ireland (SEAI), which can help reduce installation costs by up to €15,600.
  • Applying for grants involves visiting SEAI's website, understanding the requirements, filling out an online application form accurately while including supporting documents, and waiting for approval from SEAI.

Solar Panel Costs in Ireland

The costs of solar panels in Ireland vary depending on the type of house, such as two-bedroom terraced, three-bedroom semi-detached, four-bedroom stand-alone, and six-bedroom stand-alone.

Factors such as energy savings and government incentives influence solar panel payback periods. Additionally, installing solar panels can significantly reduce carbon footprints and contribute to a greener future.

Cost For Different Types of Houses

The price of solar panels can change based on the size of your home. For a two-bedroom terraced house, you might pay around €6,000 for a system. The cost jumps to about €10,000 for an average three-bedroom semi-detached house.

If you have a larger four-bedroom stand-alone home, expect to spend up to €15,000. And if you own a six-bedroom stand-alone property, costs can climb as high as €18,000. Each type of house needs its own amount of energy, so the solar panel systems will be different sizes too.

Payback period

The payback period for solar panels in Ireland is around 4 years and 9 months. This means that it takes less than 5 years for the cost of installing solar panels to be recouped through energy savings.

After this, you can enjoy free electricity from your own solar power system. Not only will you save money on your energy bills, but you'll also contribute to reducing carbon emissions by generating clean and renewable electricity.

Furthermore, with an average payback period like this, installing solar panels in Ireland is a smart investment that offers long-term financial benefits while also helping the environment.

Electricity generated

Solar panels in Ireland have the ability to generate an average of 4,715 kWh of electricity per year. This means that by installing solar panels on your home, you can produce a significant amount of clean and sustainable energy.

Not only will this reduce your reliance on grid-supplied electricity, but it will also help lower your carbon footprint by saving approximately 1,627 kg of CO2 emissions annually. By harnessing the power of the sun, you can contribute to a greener and more environmentally friendly future for Ireland.

Carbon footprint reduction

Installing solar panels in Ireland can greatly reduce your carbon footprint. By generating clean and renewable energy from the sun, solar panels help offset the use of fossil fuels for electricity generation.

On average, solar panels in Ireland can save approximately 1,627 kg of CO2 emissions per year. This means that by installing solar panels, you are actively contributing to a more sustainable and environmentally friendly future.

So, it's a simple yet effective way to make a positive impact on our planet while also enjoying the benefits of reduced energy bills.

Solar Storage Battery Costs

Now let's discuss the importance of having a battery for your solar PV system and the factors that can affect its cost. Curious to learn more? Keep reading!

The importance of a battery for solar PV systems

Having a battery for your solar PV system is important because it allows you to store excess electricity that your panels generate during the day. This means that even when the sun goes down or on cloudy days, you can still use the energy stored in the battery instead of relying solely on grid power.

It gives you more control over how and when you use your solar energy, making your home more self-sufficient and reducing your reliance on fossil fuels.

A battery also provides backup power during blackouts or emergencies, ensuring that essential appliances like refrigerators, lights, and communication devices continue to work. With a battery, you can have peace of mind knowing that even if there's a power outage, you'll still have electricity to meet your basic needs.

Additionally, having a battery increases the overall efficiency of your solar PV system. It helps optimise energy production by allowing you to save any excess energy generated during peak sunlight hours for later use.

This maximises the value of your investment in solar panels by making sure none of the electricity goes to waste.

Factors affecting battery costs

Several factors influence the cost of solar storage batteries. Firstly, the capacity or size of the battery plays a role in determining its cost. Batteries with larger capacities tend to be more expensive.

Additionally, the type and brand of battery can also impact its cost. Lithium-ion batteries are commonly used for solar PV systems, and they generally have a higher price compared to other types of batteries.

Moreover, advancements in technology and manufacturing processes can affect battery costs as well. As technology improves and becomes more efficient, battery costs may decrease over time.

Solar PV Grants in Ireland

There are various types of grants available for solar panel installation in Ireland, which can significantly impact the overall cost of your system. Learn how to apply for these grants and explore their potential benefits.

Types of grants available

There are grants available in Ireland for installing solar panels. The Sustainable Energy Authority of Ireland (SEAI) provides grants to help reduce the cost of installing a solar PV system.

So, these grants can help homeowners save money and make renewable energy more accessible. By taking advantage of these grants, you can lower the overall cost of your solar panel installation and accelerate the payback period.

It's worth exploring the different types of grants available and understanding how they can benefit you financially when considering solar panels for your home.

How to apply for grants

Applying for grants to install solar panels in Ireland is a straightforward process. The first step is to visit the website of the Sustainable Energy Authority of Ireland (SEAI). There, you can find information about the different types of grants available and their specific requirements.

So, it's important to carefully read and understand these requirements before applying. Once you have gathered all the necessary documentation, you can fill out the online application form on the SEAI website.

Be sure to provide accurate information and include any supporting documents that may be required. The SEAI will review your application after you submit it, and if approved, they will contact you with further instructions on how to proceed.

Impact on overall system cost

The impact of solar PV grants in Ireland can significantly reduce the overall cost of installing a system. Grants provided by the SEAI can help offset a portion of the expenses associated with solar panel installation.

With these grants, homeowners can expect to save between €3,200 and €15,600 on the total cost. This means that for an average 3-bedroom house, the cost of installing a PV system can be reduced from around €10,000 to as low as €4,400.

So, by taking advantage of these grants, Irish homeowners have an opportunity to make solar energy more affordable and accessible for their homes while minimising their upfront investment.


In conclusion, solar PV costs in Ireland can vary depending on factors such as the type of house and grants available. Homeowners should assess their home's sunlight exposure and research different types of solar panels before making a decision.

Solar PV systems offer numerous benefits, including a reduced carbon footprint and potential cost savings. With the availability of grants, now is the right time to consider installing solar panels in Ireland for a more sustainable and energy-efficient future. Ready to harness the sun's power? Contact a solar expert today!

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