Dundalk, Leinster, Ireland, situated at latitude 53.9957 and longitude -6.4249, presents a mixed picture for solar PV energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar output, which impacts the overall efficiency of solar installations.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Dundalk, Leinster, with an impressive daily output of 5.15kWh per kW of installed solar capacity. Spring follows closely behind, generating 4.27kWh/day. However, the colder months see a dramatic decrease in solar production. Autumn yields a modest 2.01kWh/day, while winter plummets to a mere 0.92kWh/day per kW installed.

This stark contrast between seasons means that solar energy generation in Dundalk is highly concentrated in the warmer months. From late spring through early autumn, solar panels can be expected to perform at their peak, making this the ideal time for maximizing solar energy production.

Panel Tilt Optimization

To maximize year-round solar production in Dundalk, Leinster, fixed solar panels should be installed at a tilt angle of 46 degrees facing south. This optimal angle helps to capture the most sunlight throughout the year, balancing the low winter sun with the higher summer sun path.

Environmental and Weather Considerations

Several factors can impact solar production in Dundalk:

• Cloud cover: Ireland's climate is known for frequent cloud cover, which can significantly reduce solar output.
• Rainfall: Dundalk experiences regular rainfall, which can temporarily decrease panel efficiency.

To mitigate these challenges, consider installing high-efficiency panels that perform well in low-light conditions. Regular cleaning and maintenance of panels can also help offset the impact of rainfall and potential dirt accumulation. Additionally, implementing a robust waterproofing system for the installation can protect against Ireland's damp climate.

While Dundalk's location isn't ideal for year-round solar production due to its northern latitude and climate, the long summer days and decent spring performance make it a viable option for supplementary energy generation. With proper installation techniques and realistic expectations for seasonal variations, solar PV can still contribute significantly to the local energy mix.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 104 locations across Ireland. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Ireland by location

Solar output per kW of installed solar PV by season in Dundalk

Seasonal solar PV output for Latitude: 53.9957, Longitude: -6.4249 (Dundalk, Ireland), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 46° South in Dundalk, Ireland

To maximize your solar PV system's energy output in Dundalk, Ireland (Lat/Long 53.9957, -6.4249) throughout the year, you should tilt your panels at an angle of 46° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Dundalk, Ireland

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Dundalk, Ireland. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 46° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
37° South in Summer	57° South in Autumn	67° South in Winter	46° South in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Dundalk, Ireland

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Dundalk, Ireland.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Dundalk, Ireland

The landscape surrounding Dundalk, Ireland, is a diverse mix of coastal plains, rolling hills, and low mountains. Situated on the east coast of Ireland, Dundalk sits at the mouth of the Castletown River as it empties into Dundalk Bay. The town itself is relatively flat, with an elevation of only a few meters above sea level. To the north and west of Dundalk, the terrain gradually rises into the Cooley Mountains, a small mountain range that forms the southern border of County Armagh in Northern Ireland. These mountains, while not particularly high by global standards, provide a striking backdrop to the town and surrounding areas. The highest peak in the range, Slieve Foy, reaches an elevation of about 589 meters (1,932 feet). South of Dundalk, the land remains relatively flat for several kilometers before giving way to the gentler slopes of the Louth Hills. This area is characterized by a patchwork of agricultural fields, small woodlands, and scattered rural settlements.

Potential for Large-Scale Solar PV

When considering areas near Dundalk for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would generally be: 1. The coastal plains south of Dundalk: This area offers large, flat expanses of land with minimal shading from hills or mountains. The proximity to the coast also means these areas typically experience less cloud cover than inland regions, potentially increasing solar energy yield. 2. Gently sloping hillsides in the Louth Hills: South-facing slopes in this area could be ideal for solar PV installations, as they would receive more direct sunlight throughout the day. The gradual incline of these hills also means that construction and maintenance of solar arrays would be relatively straightforward. 3. Former industrial or brownfield sites: Dundalk and its surrounding areas have a history of industrial activity. Any large, unused industrial sites or brownfield areas could be repurposed for solar PV installations, making efficient use of land that might otherwise remain vacant. It's important to note that while these areas may be topographically suitable, other factors such as grid connectivity, local planning regulations, and environmental considerations would also need to be taken into account when planning any large-scale solar PV project in the region.

Ireland solar PV Stats as a country

Ireland ranks 83rd in the world for cumulative solar PV capacity, with 136 total MW's of solar PV installed. Each year Ireland is generating 27 Watts from solar PV per capita (Ireland ranks 61st in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Ireland?

Yes, there are a number of incentives available for businesses wanting to install solar energy in Ireland. The Sustainable Energy Authority of Ireland (SEAI) offers grants and other financial support for businesses that wish to install solar PV systems. Additionally, the government has introduced a Feed-in Tariff scheme which pays businesses for any excess electricity they generate from their solar panels. Finally, businesses may be eligible for tax relief on the cost of installing a solar system through the Accelerated Capital Allowance Scheme.

Do you have more up to date information than this on incentives towards solar PV projects in Ireland? Please reach out to us and help us keep this information current. Thanks!

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.