Wondering how much is the 4kW solar system in Ireland? Prices typically range between €7,000 and €10,000, depending on the provider, system quality, and installation complexity.
SEAI grants of up to €1,800 can further lower the expense, making solar energy more affordable.
In this blog, we break down the costs and factors influencing pricing. With Energy Hero, you can easily compare quotes from trusted providers and choose the best deal without the stress of searching yourself.
Let’s start!
What Are the Factors That Affect the Price of a 4kW Solar System in Ireland?

These factors explain how much is the 4Kw solar system in Ireland:
Solar Panel Costs
The price of solar panels forms a major part of the overall expense for a 4kW solar system.
The type of panels you choose—whether monocrystalline, polycrystalline, or thin-film—will influence the final cost. Monocrystalline panels, known for their efficiency, often come at a premium price.
Solar Inverter Costs
Solar inverters convert the direct current (DC) generated by the panels into alternating current (AC) suitable for household use.
The cost of an inverter varies based on its type and quality, with string inverters and microinverters being the two common options.
Battery Storage
Adding a battery storage system allows you to store surplus solar energy for use when the sun isn’t shining.
The price depends on the battery’s capacity and technology, but it can further reduce your reliance on the grid.
Grants and Incentives
Ireland offers various incentives to encourage solar energy adoption.
The Sustainable Energy Authority of Ireland (SEAI) provides grants of up to €1,800 for solar panel installations, covering as much as 30% of the overall cost.
How Much is the 4Kw Solar System in Ireland?
The cost of a 4kW solar system in Ireland varies depending on the provider. The price ranges between €7,000 to €10,000. SEAI grants of up to €1,800 can help lower the overall cost.
The difference in pricing often comes down to system quality, installation complexity, and additional features like battery storage. This is why Energy Hero comes in to help you compare quotes from multiple providers and find the most cost-effective option for your energy needs.
What Are the Key Financial Benefits of a 4kW Solar System?
The benefits of this system are:
Reduced Electricity Bills
Installing a 4kW solar system can significantly lower your electricity bills by generating renewable energy for your home.
It reduces dependence on the grid, protecting you from rising energy costs.
Income from Excess Energy
Homeowners can earn money by selling surplus energy back to the grid through schemes like the Microgeneration Support Scheme (MSS).
This additional income improves the return on investment and shortens the payback period.
Increased Property Value

Properties with solar installations often attract buyers due to lower running costs and sustainable features.
This can lead to a higher resale value compared to homes without solar systems.
Warranty for Solar Components
Many solar panels come with long-term warranties, typically around 25 years, ensuring reliable performance and peace of mind for homeowners over the system’s lifespan.
Conclusion
Understanding how much is the 4kW solar system in Ireland costs depends on various factors, including panel type, inverter choice, battery storage, and installation complexity.
While prices can range from €7,000 to €10,000, SEAI grants of up to €1,800 can help lower the overall cost. Comparing quotes from different providers ensures you find the best deal for your budget and energy needs.
At Energy Hero, we make the process simple by gathering multiple quotes, so you don’t have to. Get in touch today to compare prices and make an informed decision on your solar investment.
Contact Energy Hero now to find the most cost-effective option for your home.
FAQs
How much does a 4kW solar system cost in Ireland?
The cost of a 4kW solar system in Ireland typically ranges between €7,000 and €10,000, depending on factors like panel quality, installation complexity, and additional features such as battery storage.
Are there grants available for installing a 4kW solar system in Ireland?
Yes, the Sustainable Energy Authority of Ireland (SEAI) offers grants up to €1,800 to support homeowners installing solar PV systems, effectively reducing the initial investment required.
Does Energy Hero provide installation services for solar systems?
No, Energy Hero does not sell or install solar systems. Instead, we specialise in gathering and comparing quotes from various providers to help you find the best deal for your 4kW solar system installation.
How can Energy Hero assist me in choosing the right solar provider?
Energy Hero streamlines the process by collecting multiple quotes from reputable solar providers, allowing you to compare prices and services easily, ensuring you make an informed decision without the hassle of contacting each provider individually.
How do I get started with Energy Hero to compare solar system quotes?
Simply contact us through our website or call our customer service team. We’ll gather your requirements and provide you with a selection of quotes from trusted solar providers in Ireland, helping you find the most cost-effective solution for your energy needs.
What factors affect the cost of a 4kW solar system in Ireland?
The cost depends on panel type, inverter quality, battery storage, and installation complexity. Comparing quotes from multiple providers ensures you get the best price.