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Flag of IrelandSolar PV Analysis of Clonfert, Ireland

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Clonfert, Ireland (by season)

Clonfert, Connacht, Ireland presents a challenging location for year-round solar photovoltaic energy generation, with significant seasonal variations in electricity output that reflect the typical patterns of the Northern Temperate Zone.

Seasonal Solar Performance

The solar energy production at Clonfert varies dramatically throughout the year. Summer delivers the strongest performance at 4.91 kWh per day per kilowatt of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 4.29 kWh per day per kW, offering nearly comparable output to summer months. Autumn sees a substantial decline in solar production, dropping to 1.88 kWh per day per kW. Winter presents the most challenging conditions, with output falling to just 0.92 kWh per day per kW - less than one-fifth of summer production levels.

Optimal Installation Configuration

For maximum year-round energy production at Clonfert, Connacht, solar panels should be installed at a fixed tilt angle of 45 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting the angles based on solar irradiance data.

Local Environmental Challenges

Several environmental and weather factors at this Irish location can significantly impact solar panel performance and require careful consideration during installation:
  • High rainfall and frequent overcast conditions typical of Ireland's maritime climate
  • Salt air corrosion from proximity to the Atlantic Ocean
  • Strong winds and storms, particularly during autumn and winter months
  • Potential for moss and algae growth in the humid climate

Preventative Installation Measures

To maximize solar energy production despite these challenges, several installation strategies should be implemented. Using marine-grade mounting systems and corrosion-resistant materials helps combat salt air damage. Panels should be installed with adequate spacing to promote air circulation and faster drying after rain events. Selecting panels with anti-reflective coatings and hydrophobic surfaces can improve performance in wet conditions. The mounting angle should allow for natural rainwater runoff to help keep panels clean. Installing a robust grounding system protects against electrical surges from frequent storms. Regular maintenance scheduling becomes particularly important in this climate, including periodic cleaning to remove salt deposits, moss, and organic matter that can accumulate on panel surfaces. Wind load calculations should account for Ireland's storm conditions to ensure secure mounting that can withstand severe weather events.

Year-Round Viability Assessment

While Clonfert can generate meaningful solar energy during spring and summer months, the winter performance is quite limited. The location is better suited for supplementary rather than primary solar energy generation, with the most productive period extending from late spring through early autumn.

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 Clonfert

Seasonal solar PV output for Latitude: 53.2309, Longitude: -8.0597 (Clonfert, 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:

Summer
Average 4.91kWh/day in Summer.
Autumn
Average 1.88kWh/day in Autumn.
Winter
Average 0.92kWh/day in Winter.
Spring
Average 4.29kWh/day in Spring.

 

Ideally tilt fixed solar panels 45° South in Clonfert, Ireland

To maximize your solar PV system's energy output in Clonfert, Ireland (Lat/Long 53.2309, -8.0597) throughout the year, you should tilt your panels at an angle of 45° 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.

The sun
At Latitude: 53.2309, Longitude: -8.0597, the ideal angle to tilt panels is 45° South

Seasonally adjusted solar panel tilt angles for Clonfert, 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 Clonfert, Ireland. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 45° 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 56° South in Autumn 66° South in Winter 45° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Clonfert, Ireland as follows: In Summer, set the angle of your panels to 37° facing South. In Autumn, tilt panels to 56° facing South for maximum generation. During Winter, adjust your solar panels to a 66° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 45° angle facing South to capture the most solar energy in Clonfert, Ireland.

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 Clonfert, 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 Clonfert, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Clonfert, Ireland

Topographical Features Around Clonfert

The landscape surrounding Clonfert in County Galway presents a predominantly flat to gently undulating terrain characteristic of the Irish midlands. This area sits within the Shannon River basin, where the topography has been shaped by glacial activity and centuries of river meandering. The elevation remains relatively low and consistent across the region, with only subtle variations in height that rarely exceed modest rises above the surrounding countryside.

The River Shannon flows nearby to the east, creating a natural boundary and influencing the local drainage patterns. This proximity to Ireland's longest river has resulted in areas of naturally fertile alluvial soils, though it has also created some zones prone to seasonal flooding, particularly in the lower-lying ground closer to the riverbank. Moving westward from Clonfert, the terrain gradually transitions into the characteristic peat bog landscapes that define much of central Ireland.

Agricultural fields dominate the visual landscape, with a patchwork of pastureland and tillage separated by traditional Irish hedgerows and stone walls. These field boundaries create a distinctive grid pattern across the countryside, though they also represent potential obstacles for large-scale development projects. The area experiences typical Atlantic maritime weather patterns, with prevailing winds generally arriving from the southwest.

Optimal Locations for Large-Scale Solar Development

The most suitable areas for substantial solar photovoltaic installations would be found on the elevated ground to the west and southwest of Clonfert. These locations offer several advantages, including better drainage characteristics and reduced risk of flooding compared to the lower-lying areas near the Shannon. The slightly higher elevation also provides improved air circulation, which can help maintain optimal operating temperatures for solar panels.

South-facing slopes in the surrounding countryside would be particularly well-suited for solar development, as they naturally provide the ideal orientation for maximum solar exposure throughout the day. The gentle gradients in this area mean that large installations could be constructed without requiring extensive earthworks or terracing, which would significantly reduce development costs and environmental impact.

Areas of former peatland that have been drained and are no longer actively harvested present excellent opportunities for solar development. These sites often have relatively level surfaces and may have existing access roads from previous industrial activity. The soil conditions in these locations, while not ideal for agriculture, pose no significant challenges for solar panel mounting systems.

The agricultural fields on well-drained ground between Clonfert and the nearby towns would also be suitable, particularly those with southern exposure and minimal shading from existing vegetation or structures. However, developers would need to consider the agricultural value of such land and potential planning restrictions related to food production.

Transportation access represents another crucial factor in site selection. Areas with proximity to existing road networks would be preferable, as this would facilitate both construction activities and ongoing maintenance operations. The relatively flat terrain throughout the region means that new access roads could be constructed without significant engineering challenges where necessary.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Clonfert, Ireland
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 10th of July 2025
Last Updated: Wednesday 6th of August 2025

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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.

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