How Much Does a 16kw Solar System Cost in Ireland?

Joe Brennan
Jul 25, 2025

Thinking about switching to solar but unsure about the costs involved? A 16kW solar system is a powerful setup ideal for larger homes or small businesses with high energy usage. 

In Ireland, the cost can range between €10,000 to €25,000 depending on equipment, installation, and optional battery storage. Understanding what goes into the pricing can help you make an informed decision. 

In this blog, we’ll break down the key factors that influence the total cost of a 16kW solar system.

Let’s start!

How Much Does a 16kW Solar System Cost in Ireland?

If you're considering solar power for a larger home or business, you might be wondering what a 16kW system would actually cost. In Ireland, the average price for a 16kW solar system ranges from €10,000 to €25,000, depending on factors such as panel type, system efficiency, and whether battery storage is included. 

Installation complexity and roof design also affect the final price. Government grants, like those offered by the SEAI, can help reduce upfront costs. Knowing the full cost range helps you plan better and weigh your return on investment.

What Are The Key Factors That Influence the Cost of Solar Panels in Ireland?

Understanding the total cost of going solar in Ireland means looking beyond just the panel price. Here’s a detailed breakdown of the main factors.

1. Size and Type of Solar Panels

The cost varies depending on the type and size of the panel system. Monocrystalline panels are efficient but cost more, while polycrystalline panels are cheaper but slightly less efficient. 

Thin-film panels are flexible and lower in cost but require more space. Hybrid and BIPV panels offer increased features at higher prices. For example, a 16kw solar system cost in Ireland can vary widely depending on the panel type and technology used.

2. Quality and Brand of Solar Panels

Well-known brands with high-quality standards usually come at a premium but offer better durability and energy yield. Questionable brands may be cheaper but carry performance risks. 

Sound-quality panels balance cost and reliability, while premium brands charge more per kilowatt but ensure high efficiency, warranties, and long-term ROI.

3. Installation Costs

Installation expenses depend on factors like labour, equipment, permits, and the system's complexity. Roof condition, tilt, and panel orientation can significantly impact installation costs. 

More complex installations or roof structures might increase overall project pricing.

4. Incentives and Grants Available in Ireland

Government incentives such as feed-in tariffs, export tariffs, and reduced VAT can substantially lower the upfront investment. 

Ireland also offers grants that reduce total system costs. Understanding available schemes can help calculate your net outlay more accurately.

5. Maintenance and Operational Costs

Beyond the initial setup, solar panels need regular cleaning and occasional repairs. Monitoring systems, replacement parts, and insurance also add to ongoing costs. 

Factoring in these operational expenses gives a realistic picture of long-term ownership costs.

What Are The Government Incentives That Reduce the Cost of Solar Panels in Ireland?

Ireland offers several financial incentives to encourage solar energy adoption. These grants and rebates can significantly reduce your overall solar investment.

1. Feed-in Tariff (FIT) and Export Tariff

The Feed-in Tariff lets you sell unused solar energy back to the grid, helping offset your installation costs. The Export Tariff adds further income potential. Together, these schemes can reduce long-term expenses, especially beneficial when considering larger setups like a 16kw solar system cost.

2. Tax Incentives and Rebates

Homeowners in Ireland can claim tax relief through schemes like the Home Renovation Incentive (HRI), which applies to solar installations. In addition, SEAI provides grants through the Better Energy Homes (BEH) and Better Energy Communities (BEC) programmes, making solar panel systems even more affordable.

Conclusion

A 16kW solar system is a significant investment, but one that can deliver substantial long-term savings and energy independence. Costs vary depending on panel type, quality, installation complexity, and available grants or incentives in Ireland. Understanding each factor helps you make a more informed decision and get the best value for your money.

If you're ready to lower your energy bills and switch to clean, renewable power, contact Going Solar today. Our expert team will guide you through pricing, installation, and incentives — making your transition to solar smooth and stress-free.

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Frequently Asked Questions

How much does a 16kW solar system cost in Ireland?

The cost of a 16kW solar system in Ireland typically ranges between €10,000 to €25,000, depending on factors like panel quality, inverter type, and installation specifics. This estimate includes equipment and installation but may vary based on individual requirements.

What factors influence the cost of a 16kW solar system?

Several elements affect the overall cost, including the type and efficiency of solar panels, inverter quality, mounting hardware, labour charges, and additional features like battery storage. Custom configurations and specific site conditions can also impact pricing.

Are there government grants available to reduce the cost?

Yes, the Sustainable Energy Authority of Ireland (SEAI) offers grants up to €1,800 for residential solar PV installations. These grants can significantly offset the initial investment, making solar energy more accessible to homeowners.

How long does it take for a 16kW system to pay for itself?

Typically, a 16kW solar system in Ireland has a payback period of 5 to 7 years. This time frame depends on factors like energy consumption, system performance, and available incentives.

Is a 16kW system suitable for my home?

A 16kW system is generally ideal for larger homes with higher energy demands or properties aiming for significant energy independence. Assessing your household's energy consumption and available roof space can help determine suitability.

Why choose Going Solar for your solar energy needs?

Going Solar is committed to delivering high-quality solar solutions with a focus on customer satisfaction. Our expertise and dedication to renewable energy make us a trusted partner in your journey towards sustainable living.

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*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.
Author Fahad Zahid
Founder @ Going Solar

Joe Brennan, the founder of Going Solar, is dedicated to making solar power mainstream in Ireland and meet SEAI objectives. With a focus on affordability and sustainability, he is bringing renewable energy solutions to homes, reducing costs & environmental impact.