Avoca, Leinster, Ireland, situated at latitude 52.8501 and longitude -6.2123, presents a mixed picture for solar 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 PV systems.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Avoca, Leinster, with an average daily output of 5.39 kWh per kW of installed solar capacity. This high performance is due to longer daylight hours and generally clearer skies. Spring follows as the second-best season, yielding 4.42 kWh per day, benefiting from increasing daylight and improving weather conditions. In contrast, autumn and winter see a substantial drop in solar energy production. Autumn generates an average of 2.10 kWh per day, while winter performance plummets to just 1.01 kWh daily. This significant reduction is attributed to shorter days, lower sun angles, and typically cloudier weather during these seasons.

Optimal Panel Installation

For fixed panel installations in Avoca, Leinster, the ideal tilt angle to maximize year-round solar production is 45 degrees facing south. This angle is calculated to capture the most sunlight throughout the year, considering the location's latitude and seasonal sun positions.

Environmental and Weather Factors

Several factors can impede solar production in Avoca: 1. Cloud cover: Ireland's climate is known for frequent cloud cover, which can significantly reduce solar panel efficiency. 2. Rainfall: Avoca experiences considerable rainfall, which can temporarily decrease panel output. 3. Short winter days: The location's northern latitude results in very short days during winter, limiting solar generation. To mitigate these challenges, consider the following preventative measures:

Maximizing Solar Efficiency

1. Use high-efficiency panels designed for diffuse light conditions. 2. Implement a robust cleaning schedule to combat the effects of rainfall and potential debris. 3. Consider a dual-axis tracking system to maximize exposure during limited daylight hours, especially in winter. 4. Integrate energy storage solutions to balance the seasonal variations in energy production. While Avoca's location is not ideal for year-round solar energy production, careful system design and maintenance can still yield significant benefits, particularly during the spring and summer months. The substantial seasonal variations highlight the importance of complementary energy sources or storage solutions to ensure consistent power supply 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 Avoca

Seasonal solar PV output for Latitude: 52.8501, Longitude: -6.2123 (Avoca, 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 Avoca, Ireland

To maximize your solar PV system's energy output in Avoca, Ireland (Lat/Long 52.8501, -6.2123) 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 Avoca, 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 Avoca, 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
36° South in Summer	56° South in Autumn	66° 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 Avoca, 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 Avoca, 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 Avoca, Ireland

The area around Avoca, Ireland, located at latitude 52.8501 and longitude -6.2123, is characterized by a diverse and picturesque topography typical of County Wicklow. This region is part of the Wicklow Mountains, which gives it a varied landscape with both rolling hills and more rugged terrain.

The town of Avoca itself sits in a valley formed by the Avoca River, which runs through the area. The valley is surrounded by gentle to moderate slopes that gradually rise into more pronounced hills and small mountains. These elevations range from about 100 meters above sea level in the valley to over 400 meters in the nearby hills.

The landscape is a mix of open grasslands, agricultural fields, and patches of woodland. The famous Avoca Mines, now closed, have also left their mark on the local topography, with some altered landscapes and remnants of mining activities still visible.

Areas Suitable for Large-scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play:

1. The most suitable areas would be relatively flat or gently sloping land with a southern exposure. These conditions are more common in the valleys and lower elevations surrounding Avoca, particularly to the south and east of the town.

2. Agricultural lands that are less productive or fallow fields could be potential sites for solar farms. These areas are more prevalent in the broader valleys away from the immediate vicinity of Avoca.

3. While the hills provide elevation, their steeper slopes and potential for shadowing make them less ideal for large-scale solar installations. However, some south-facing hillsides with moderate slopes could be considered if other factors are favorable.

4. Areas to the north of Avoca, where the terrain begins to flatten out towards the coast, might offer suitable locations for solar farms. These areas generally have fewer obstructions and more consistent sunlight exposure.

5. It's important to note that while topography is crucial, other factors such as proximity to power infrastructure, local planning regulations, and environmental considerations would also play significant roles in determining the most suitable locations for large-scale solar PV installations in this 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.