Ballina, Connacht, Ireland, situated at latitude 54.1162 and longitude -9.1656, presents a mixed picture for solar energy generation. Located in the Northern Temperate Zone, this coastal town experiences significant seasonal variations in solar potential.

Seasonal Solar Performance

Summer stands out as the most productive season, with an average daily output of 4.55kWh per kW of installed solar capacity. Spring follows closely behind, generating 4.34kWh/day. However, the performance drops considerably during autumn, with only 1.66kWh/day, and plummets to a mere 0.83kWh/day in winter.

These figures highlight the stark contrast between the longer, sunnier days of summer and spring, and the shorter, often overcast days of autumn and winter. The peak solar generation period typically spans from April to September, making these months ideal for maximizing solar energy production in Ballina.

Optimal Panel Installation

To maximize year-round solar energy production, fixed solar panels should be installed at a 45-degree angle facing south. This tilt angle is calculated to capture the most sunlight throughout the year, considering Ballina's latitude and the Earth's elliptical orbit.

Environmental and Weather Factors

Several factors can impact solar energy production in Ballina:

1. Cloud cover: The Irish climate is known for its frequent cloud cover, which can significantly reduce solar panel efficiency.
2. Rainfall: Ballina experiences considerable rainfall, which can temporarily decrease panel output.
3. Coastal location: Proximity to the Atlantic Ocean may lead to salt spray accumulation on panels, potentially reducing their effectiveness over time.

Preventative Measures

To mitigate these challenges, consider the following preventative measures:

• Install high-quality, weather-resistant panels designed to perform well in low-light conditions.
• Implement a regular cleaning schedule to remove salt deposits and other debris.
• Use micro-inverters or power optimizers to minimize the impact of partial shading on overall system performance.
• Consider a slight increase in system size to compensate for lower production during autumn and winter months.

While Ballina's location presents some challenges for solar energy production, particularly during the darker months, implementing these measures can help maximize the system's efficiency and overall energy output throughout the year.

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 Ballina

Seasonal solar PV output for Latitude: 54.1162, Longitude: -9.1656 (Ballina, 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 45° South in Ballina, Ireland

To maximize your solar PV system's energy output in Ballina, Ireland (Lat/Long 54.1162, -9.1656) 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.

Seasonally adjusted solar panel tilt angles for Ballina, 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 Ballina, 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
38° South in Summer	57° South in Autumn	67° South in Winter	45° 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 Ballina, 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 Ballina, 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 Ballina, Ireland

Ballina, located in County Mayo, Ireland, is situated in a diverse and picturesque landscape. The town itself is nestled along the banks of the River Moy, which flows into Killala Bay to the north. The surrounding topography is characterized by a mix of gently rolling hills, lowland plains, and coastal features. To the west of Ballina, the terrain gradually rises towards the Nephin Beg Mountains, part of the larger Nephin Range. These mountains, while not particularly high by global standards, provide a rugged backdrop to the area. The hills are often covered in a patchwork of grasslands, bogs, and small forested areas. East of Ballina, the landscape becomes more open and less mountainous. This area is dominated by low-lying agricultural land, interspersed with small lakes and streams. The terrain here is generally flatter, with occasional gentle slopes and drumlins - small, elongated hills formed by glacial activity. To the north, the land meets the Atlantic Ocean at Killala Bay. The coastline in this area features a mix of sandy beaches, rocky outcrops, and small cliffs. The bay itself is relatively sheltered, creating a more gradual transition from land to sea.

Potential for Large-scale Solar PV

When considering areas nearby Ballina for large-scale solar PV installations, several factors come into play. The most suitable locations would ideally have: 1. Relatively flat or gently sloping terrain 2. Minimal shading from hills or forests 3. Good access to existing infrastructure 4. Limited environmental sensitivity Given these criteria, the areas east of Ballina appear to be the most promising for large-scale solar PV development. The flatter, agricultural lands in this direction offer several advantages. They typically have fewer obstructions that could cast shadows on solar panels, and the gentler terrain would make construction and maintenance easier. Additionally, these areas are likely to have better access to roads and the electrical grid due to their agricultural use. This infrastructure is crucial for the construction and operation of large solar farms. However, it's important to note that while the eastern areas may be topographically suitable, other factors such as local planning regulations, environmental considerations, and grid capacity would need to be carefully assessed before any large-scale solar PV project could proceed. The specific suitability of any site would require detailed on-the-ground surveys and impact assessments.

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.