Solar Energy Potential in Wicklow, Leinster, Ireland

Wicklow, Leinster, Ireland, located at 52.9817° N, -6.0417° E in the Northern Temperate Zone, presents a moderate opportunity for solar energy generation, though with significant seasonal variations. The location experiences distinct differences in solar energy production throughout the year, which impacts the overall efficiency of solar PV installations. Solar energy production in Wicklow follows a predictable seasonal pattern. During summer months, solar panels can generate approximately 5.33 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.35 kWh/day. Production drops considerably in autumn to 2.04 kWh/day, while winter sees the lowest output at just 0.96 kWh/day per kilowatt installed.

Seasonal Variations and Optimal Production Periods

The data clearly shows that Wicklow's solar potential is heavily concentrated in the spring and summer months (March through August). During these periods, longer days and higher sun angles create ideal conditions for solar energy generation. The substantial drop-off in autumn and especially winter means that supplementary energy sources would be necessary for consistent year-round power if relying primarily on solar. For fixed solar panel installations in Wicklow, Leinster, the ideal angle to maximize year-round energy production is 45 degrees facing South. This tilt angle represents the optimal balance between capturing low-angle winter sun and the higher summer sun path, weighted by the actual energy production potential throughout the year.

Environmental and Weather Considerations

Several environmental factors can impact solar production in Wicklow:

• Cloud cover and rainfall: Ireland's Atlantic climate brings frequent cloud cover and precipitation, which can significantly reduce solar efficiency even during summer months.
• Coastal fog and mist: Being relatively close to the coast, Wicklow can experience morning fog that may delay peak solar production hours.
• Potential for atmospheric dust and pollen: Seasonal pollen from the surrounding countryside can accumulate on panels.

To mitigate these challenges, solar installations in Wicklow should incorporate:

• Self-cleaning panel technologies or regular maintenance schedules to address dust and pollen accumulation
• Slightly increased panel capacity to compensate for cloudy periods
• Weather-resistant mounting systems capable of withstanding occasional strong Atlantic winds
• Consideration of microinverters or power optimizers to minimize the impact of partial shading

While not ideal year-round compared to sunnier European locations, Wicklow still offers viable solar potential, particularly when installations are optimized with the correct angle and appropriate technology choices to address local environmental factors.

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 Wicklow

Seasonal solar PV output for Latitude: 52.9817, Longitude: -6.0417 (Wicklow, 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 Wicklow, Ireland

To maximize your solar PV system's energy output in Wicklow, Ireland (Lat/Long 52.9817, -6.0417) 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 Wicklow, 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 Wicklow, 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	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 Wicklow, 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 Wicklow, 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 Wicklow, Ireland

The topography around Wicklow, Ireland presents a diverse and dramatic landscape characterized by mountains, valleys, coastal plains, and rolling hills. This eastern Irish county is dominated by the Wicklow Mountains, which form part of Ireland's largest continuous upland area. The mountains rise gradually from the east coast, creating a natural amphitheater that overlooks the Irish Sea.

Mountain Ranges and Valleys

The Wicklow Mountains form the central spine of the county, with several peaks exceeding 500 meters in elevation. Notable summits include Lugnaquilla (925m), the highest point in County Wicklow, and Mullaghcleevaun (849m). These mountains are primarily composed of granite, formed during the Caledonian orogeny approximately 400 million years ago. The weathering of this granite has created distinctive rounded summits and boulder-strewn slopes. Between these mountain ridges lie several glaciated valleys, carved during the last Ice Age. The most famous of these is Glendalough, a deep U-shaped valley containing two lakes. Other significant valleys include Glenmacnass, Glenmalure, and the Glen of Imaal. These valleys typically feature flat bottoms with steep sides, often with rivers flowing through them.

Coastal Features

The eastern boundary of Wicklow is formed by a coastline along the Irish Sea. This coastal zone varies from sandy beaches to rocky cliffs, with several small bays and inlets. The coastal plain gradually rises westward, transitioning into foothills before reaching the main mountain range. This transitional zone features undulating terrain with numerous small hills and valleys.

Rivers and Watersheds

The topography of Wicklow is further defined by several river systems that originate in the mountains and flow eastward to the Irish Sea. The Avonmore and Avonbeg rivers join to form the Avoca River, which cuts through the mountains creating a significant valley. The Liffey River originates in the Wicklow Mountains before flowing westward and then north toward Dublin. These river systems have created fertile valleys and occasional floodplains.

Areas Suitable for Solar PV Development

When considering large-scale solar photovoltaic (PV) installations, several factors related to topography must be considered. The most suitable areas around Wicklow would include: The eastern coastal plain offers relatively flat terrain with minimal shadowing effects from mountains. This area receives good solar exposure due to its easterly aspect and lack of significant topographical barriers. The gradual slopes found in this region would be advantageous for solar panel orientation. The lower foothills and transitional zones between the coastal plain and mountains present moderately sloping terrain with southerly aspects. These areas would benefit from good solar exposure while remaining accessible for infrastructure development. Several plateaus and gently rolling hills in this zone would accommodate large installations. Some of the broader valley floors, particularly those with east-west orientations, could provide suitable locations. Valleys like the Vale of Avoca offer relatively flat terrain surrounded by hills that provide some shelter from extreme weather conditions while still maintaining good solar exposure.

Topographical Challenges

Despite these suitable areas, much of Wicklow's topography presents challenges for large-scale solar development. The steeper mountain slopes, while receiving good sunlight, would be difficult and environmentally disruptive to develop. Many of the narrow glaciated valleys experience significant shadowing effects from surrounding mountains, particularly in winter months when the sun angle is lower. Additionally, many of the most level areas in Wicklow are either urbanized, used for agriculture, or protected as part of the Wicklow Mountains National Park. This limits the available land for large-scale solar installations. The complex topography also creates microclimates throughout the region, with some areas experiencing more frequent cloud cover due to orographic effects as prevailing westerly winds force moist air upward over the mountains. This would affect solar generation potential in certain locations. In summary, while Wicklow's varied topography creates limitations for solar development in its mountainous regions, the eastern coastal plains and transitional foothills offer promising conditions for large-scale solar PV installations, particularly where south-facing gentle slopes can be utilized.

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

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