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Flag of United KingdomSolar PV Analysis of Lochgilphead, United Kingdom

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Lochgilphead, United Kingdom (by season)

Lochgilphead, Scotland, United Kingdom, situated in the Northern Temperate Zone, presents a challenging location for year-round solar PV energy generation. The seasonal variations in electricity output from solar panels at this location are significant, with a stark contrast between summer and winter production.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive 5.10 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 4.22 kWh/day. However, the output drops dramatically during autumn, producing only 1.68 kWh/day, and plummets further in winter to a mere 0.81 kWh/day.

These figures indicate that Lochgilphead's solar potential is heavily skewed towards the warmer months. The long summer days in this northern latitude contribute to the high productivity during this season. However, the short, often overcast winter days severely limit solar energy generation.

Optimal Panel Installation

To maximize year-round solar production in Lochgilphead, Scotland, fixed panels should be tilted at a 47-degree angle facing south. This angle is steeper than what might be used in more southern locations, helping to capture more of the low-angled winter sun while still benefiting from the higher summer sun.

Environmental and Weather Factors

Several factors can impede solar production in Lochgilphead:

  1. Frequent cloud cover and rain, especially in autumn and winter
  2. Short daylight hours during winter months
  3. Potential for snow accumulation on panels

To mitigate these challenges, consider installing panels with anti-reflective coatings to maximize light absorption on cloudy days. Snow-shedding frames and regular panel cleaning can help maintain efficiency during winter. Additionally, incorporating a battery storage system can help balance the seasonal variations in energy production.

In conclusion, while Lochgilphead's location is far from ideal for year-round solar energy production, strategic installation and maintenance practices can still make solar PV a viable supplementary energy source, particularly during the more productive spring and summer months.

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 911 locations across United Kingdom. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in United Kingdom by location

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

Seasonal solar PV output for Latitude: 55.9389, Longitude: -5.559 (Lochgilphead, United Kingdom), 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 5.10kWh/day in Summer.
Autumn
Average 1.68kWh/day in Autumn.
Winter
Average 0.81kWh/day in Winter.
Spring
Average 4.22kWh/day in Spring.

 

Ideally tilt fixed solar panels 47° South in Lochgilphead, United Kingdom

To maximize your solar PV system's energy output in Lochgilphead, United Kingdom (Lat/Long 55.9389, -5.559) throughout the year, you should tilt your panels at an angle of 47° 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: 55.9389, Longitude: -5.559, the ideal angle to tilt panels is 47° South

Seasonally adjusted solar panel tilt angles for Lochgilphead, United Kingdom

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 Lochgilphead, United Kingdom. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 47° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
39° South in Summer 59° South in Autumn 69° South in Winter 48° 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 Lochgilphead, United Kingdom as follows: In Summer, set the angle of your panels to 39° facing South. In Autumn, tilt panels to 59° facing South for maximum generation. During Winter, adjust your solar panels to a 69° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 48° angle facing South to capture the most solar energy in Lochgilphead, United Kingdom.

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 Lochgilphead, United Kingdom

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 Lochgilphead, United Kingdom.

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 Lochgilphead, United Kingdom

Lochgilphead, located in Argyll and Bute, Scotland, is situated in a picturesque coastal region characterized by diverse topography. The town itself lies at the northern end of Loch Gilp, a small inlet that branches off from Loch Fyne, one of Scotland's longest sea lochs. The surrounding landscape is a mixture of rolling hills, gentle slopes, and low-lying coastal areas. To the east and north of Lochgilphead, the terrain gradually rises into the Knapdale Forest, a hilly woodland area with numerous small lochs and streams. The hills in this region typically range from 100 to 300 meters in elevation, creating a undulating landscape that is characteristic of much of Scotland's west coast. West of the town, the land slopes down towards the coast, where it meets the Sound of Jura. This area is marked by a series of rocky headlands, small bays, and scattered islands. The coastline is generally rugged, with cliffs and rocky outcrops interspersed with pebble beaches and occasional sandy coves. To the south, the landscape opens up into the relatively flat Moine Mhor (Great Moss), a large area of raised bog that is now a national nature reserve. This low-lying expanse provides a stark contrast to the surrounding hills and offers expansive views across the region.

Potential for Large-Scale Solar PV

When considering areas nearby Lochgilphead for large-scale solar PV installations, several factors must be taken into account, including topography, sunlight exposure, and land availability. Given these considerations, the following areas might be most suitable: The Moine Mhor area to the south of Lochgilphead presents a potentially viable location for solar PV. Its flat terrain and open landscape would allow for easier installation and maintenance of solar panels. However, the ecological sensitivity of this nature reserve would need to be carefully considered. Some of the gentler slopes on the hills to the east and north of Lochgilphead could also be suitable. These areas often receive good sunlight exposure, particularly on south-facing slopes. Care would need to be taken to avoid the steeper, more forested areas where installation would be challenging and environmental impact more significant. The coastal areas west of Lochgilphead, while scenic, may offer some potential for solar installations on the flatter portions of land set back from the immediate coastline. These areas often benefit from unobstructed sunlight and could potentially accommodate larger installations. It's important to note that while these areas may be topographically suitable, any large-scale solar PV project would need to undergo rigorous environmental and planning assessments. The scenic nature of the region and its importance for tourism and wildlife would need to be carefully balanced against the benefits of renewable energy production.

United Kingdom solar PV Stats as a country

United Kingdom ranks 14th in the world for cumulative solar PV capacity, with 13,689 total MW's of solar PV installed. This means that 4.00% of United Kingdom's total energy as a country comes from solar PV (that's 20th in the world). Each year United Kingdom is generating 203 Watts from solar PV per capita (United Kingdom ranks 25th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United Kingdom?

Yes, there are several incentives for businesses wanting to install solar energy in the United Kingdom. The UK government offers a Feed-in Tariff (FiT) scheme which pays businesses for every unit of electricity they generate from their solar panels. Additionally, businesses may be eligible for tax reliefs such as Enhanced Capital Allowances and Renewable Heat Incentives. Finally, some local authorities offer grants or other financial support to help businesses with the cost of installing solar energy systems.

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

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Lochgilphead, United Kingdom
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 1st of January 2025
Last Updated: Monday 21st of July 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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