6 Bedroom Solar System Cost in Ireland

by Liz Martin | Sep 29, 2025

Thinking of installing solar panels on your six-bedroom home in Ireland? With electricity costs remaining high and support available through SEAI grants, solar energy is becoming a popular choice for homeowners. Larger houses usually use more power, which means the benefits of solar panels can be even greater.

In this blog, you’ll find a clear breakdown of the 6 bedroom solar system cost in Ireland, the system size needed, and the amount of electricity it can produce. We’ll also explain how long it normally takes to recover the cost.

Is a 6-Bedroom House Suitable for Solar?

If you own a six-bedroom home in Ireland, you likely have both the space and the energy use that make solar a strong option. Here are some of the main reasons why this type of house is ideal for solar panels.

is a 6 bedroom house suitable for solar
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Larger Roof Space for Panels

Six-bedroom houses usually have bigger roof areas, especially on detached homes. This gives more room to fit solar panels without needing to squeeze them into small or awkward sections. With more panels installed, your system can produce more electricity, which is useful for meeting higher household needs.

Higher Energy Needs

A large house tends to have more rooms, more appliances, and more people living in it. This naturally means greater electricity use throughout the day. By producing much of this power yourself, you can reduce your bills and protect yourself from rising electricity costs.

Battery Storage Ready

With a larger system, you may have enough electricity left over during the day to store for later use. A battery allows you to use your own power at night or on cloudy days. This setup is especially useful in bigger homes where evening demand is high from heating, lighting, and appliances.

Less Dependence on the Grid

Because of the size of your home and the system it can support, you have a better chance of covering most of your energy needs. Over time, this means buying fewer units from your supplier and being less affected by changes in electricity prices or supply issues.

What’s a Typical System Size and Setup?

The size of the solar system matters a lot when it comes to meeting the energy needs of a six-bedroom home. Here’s what a suitable setup might look like and how it fits your roof and electricity use.

A 7.04 Kwp System

7.04 kwp system
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For a six-bedroom house, a solar system around 7.04 kilowatts peak (kWp) is usually a good fit. This often includes 16 solar panels, each one producing up to 440 watts. Together, this setup can provide strong performance without using up all of your roof space.

Roof Space

To fit a system of this size, you’ll need around 33.8 square metres of roof space. A south-facing roof is best, but even an east or west-facing one can work well with the right design. Most large homes in Ireland have the space needed to support this system without much trouble.

How Much Does a 6 Bedroom Solar System Cost in Ireland?

Knowing what you might pay for a solar system helps you plan ahead. Below is a typical example of what a six-bedroom household in Ireland could expect to pay in 2025, along with details on grant support.

Cost Before Grant

For a system with 16 panels, the total cost before any grant is applied is about €9,438. This price includes the panels, inverter, wiring, and installation. It’s a one-time cost that covers the full setup needed to start producing your own electricity.

Cost After SEAI Grant

wha is 6 bedroom solar system cost in ireland
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With help from the SEAI grant scheme, you can get up to €1,800 off the total cost. Once this is applied, your final price would be around €7,638. This support makes solar more affordable and helps reduce the time it takes to see a return on your money.

How Much Electricity Can Solar Panels Produce for a 6-Bedroom Home?

Understanding what your solar system can deliver helps you decide if it’s the right choice. Below are simple facts on energy output and yearly savings for a six-bedroom home.

Yearly output

A 7.04 kWp system can produce around 6,098 kWh of electricity each year. This is based on average Irish sunlight and works well for a larger home with regular daytime energy use.

Energy coverage

This level of output can cover a good share of your electricity needs, especially if you use more energy during daylight hours. The system helps reduce what you take from the grid.

Bill savings

Most households with a system this size can save several hundred euros each year. How much you save depends on your daily habits and the electricity rates in your area.

Conclusion

A six-bedroom home in Ireland offers the space and energy use needed to make solar a smart choice. With the right system size, strong yearly output, and support from SEAI grants, solar panels can help lower electricity bills and reduce carbon impact. The upfront cost is now more manageable, and the long-term savings are clear.

If you’re thinking about installing solar panels and want help understanding the full cost and setup for your home, SPV Energy is here to guide you. Contact SPV Energy today for expert support on your 6-bedroom solar system in Ireland.

FAQ’s

1. How much does a solar system for a six-bedroom house in Ireland cost in 2025?

For a six-bedroom home, the cost is usually around €9,438 before grants. With the SEAI grant of up to €1,800, the final price often comes down to about €7,638 depending on the installer and system design.

2. How many solar panels does a six-bedroom home need?

Most six-bedroom homes will need about 16 panels, each producing around 440 W, to reach a system size of about 7.04 kWp. This can change slightly depending on your roof space and layout.

3. How much electricity will a six-bedroom solar system generate yearly?

A 7.04 kWp system can generate about 6,098 kWh per year under Irish conditions. This can cover a large part of a household’s annual electricity use, especially if power is used during daylight hours.

4. How long does it take to pay off the cost of solar for a six-bedroom home?

On average, the payback period is around 4 years and 7 months. After this, the electricity you produce is essentially free for the remaining lifespan of the panels, which can be 20 years or more.

5. Is a six-bedroom house suitable for battery storage with solar?

Yes. Larger systems often produce surplus energy during the day. A battery allows you to store this and use it at night, which is helpful in bigger homes where evening electricity use is higher.

6. What environmental benefits come from installing solar panels on a six-bedroom home?

A system this size can save around 2,104 kg of CO₂ per year, equal to driving over 16,000 km or taking 2–3 long-haul flights. It helps lower emissions while supporting Ireland’s climate targets.

Contact SPV Energy Now!

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Meet Liz Martin

Meet Liz Martin

Author @ SPV energy

Liz Martin, owner of SPV Energy, is a trusted solar expert dedicated to providing sustainable energy solutions. He ensures top-quality projects that help homes and businesses save energy and reduce their carbon footprint.