Pogradec, Korçë County, Albania presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Production Patterns

The solar energy output at this Northern Temperate Zone location shows dramatic seasonal swings. Summer delivers the strongest performance at 7.76 kWh per day per kW of installed capacity, making it the peak production season. Spring follows as the second-best period with 5.76 kWh daily output per kW, offering excellent energy generation potential. However, the location faces considerable challenges during colder months. Autumn production drops significantly to 3.58 kWh per day per kW, while winter presents the most challenging conditions with only 2.27 kWh daily per kW - less than one-third of summer output.

Optimal Installation Configuration

For maximum year-round energy production at Pogradec, Korçë County, solar panels should be installed at a fixed tilt angle of 34 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 for actual solar energy potential at this specific latitude.

Local Environmental Factors and Mitigation Strategies

Several environmental factors in the Pogradec region can impact solar panel performance and require careful consideration during installation. The area's proximity to Lake Ohrid creates higher humidity levels, which can lead to increased condensation and potential corrosion of solar equipment over time. Additionally, the lake effect can generate localized weather patterns including morning fog and mist, particularly during autumn and winter months when solar production is already at its lowest. The mountainous terrain surrounding Pogradec can create wind channeling effects and occasional dust storms, especially during dry summer periods. These conditions can deposit debris on solar panels, reducing their efficiency when production potential is at its highest.

Preventative Installation Measures

To maximize solar energy production despite these challenges, several installation strategies prove beneficial:

• Install panels with adequate spacing and ventilation to prevent moisture buildup and ensure proper air circulation
• Use marine-grade or corrosion-resistant mounting hardware and electrical components designed for high-humidity environments
• Implement regular cleaning schedules, particularly during summer months when dust accumulation coincides with peak production periods
• Consider installing panels at slightly steeper angles than the optimal 34 degrees in areas prone to dust accumulation, as this can help with natural cleaning during rainfall
• Ensure robust mounting systems capable of handling variable wind loads common in mountainous lake regions

Despite these environmental considerations, Pogradec's strong summer and spring solar potential makes it a viable location for solar energy generation, particularly when proper installation techniques account for local conditions.

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

Link: Solar PV potential in Albania by location

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

Seasonal solar PV output for Latitude: 40.9052, Longitude: 20.6564 (Pogradec, Albania), 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 34° South in Pogradec, Albania

To maximize your solar PV system's energy output in Pogradec, Albania (Lat/Long 40.9052, 20.6564) throughout the year, you should tilt your panels at an angle of 34° 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 Pogradec, Albania

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 Pogradec, Albania. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
25° South in Summer	45° South in Autumn	55° South in Winter	33° 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 Pogradec, Albania

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 Pogradec, Albania.

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 Pogradec, Albania

Topographical Features Around Pogradec

Pogradec sits in a distinctive geographical setting along the eastern shore of Lake Ohrid, one of Europe's oldest and deepest lakes. The town is positioned at approximately 695 meters above sea level, nestled between the lake waters to the west and rising mountainous terrain to the east. This location places Pogradec within the broader Ohrid-Prespa valley system, which forms a natural corridor between mountain ranges.

The immediate landscape around Pogradec is characterized by gently sloping terrain that gradually rises from the lakeshore toward the foothills of the Dry Mountains (Mali i Thatë). The eastern side of the town features increasingly steep gradients as the land climbs toward the Albanian-North Macedonian border region. These slopes are interspersed with agricultural terraces and scattered settlements, creating a patchwork of cultivated and semi-natural areas.

To the north and south of Pogradec, the topography becomes more varied, with rolling hills and broader valley floors that extend inland from the lake. The northern areas feature more gradual elevation changes, while the southern regions show steeper inclines as they approach the Galicica mountain range. The western boundary is defined entirely by Lake Ohrid itself, which creates a natural barrier and influences local microclimatic conditions.

Elevation Patterns and Terrain Analysis

The elevation profile around Pogradec shows a clear west-to-east gradient, with the lowest points at the lake level and steady increases moving inland. Within a 10-kilometer radius of the town center, elevations range from the lake surface up to approximately 1,200 meters in the higher foothills. This creates diverse terrain types, from flat lakeside areas to moderately steep hillsides and some more challenging mountainous sections.

The terrain stability varies considerably across this elevation range. Lower-lying areas near the lake tend to have more stable soils, though some zones may experience seasonal moisture variations. Mid-elevation slopes generally offer good drainage and stable foundations, while the steeper upper elevations present challenges for large-scale development due to gradient limitations and potential erosion concerns.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations around Pogradec lie primarily in the gently rolling terrain to the north and northeast of the town. These areas combine several favorable characteristics: moderate elevations between 700 and 900 meters above sea level, slopes that are neither too flat to cause drainage issues nor too steep for practical installation, and sufficient distance from Lake Ohrid to avoid environmental protection restrictions.

The northeastern sector, extending toward the village of Drilon and beyond, presents particularly promising conditions. This zone features broad, south-facing slopes with gradual gradients that would accommodate large solar arrays while maintaining good exposure angles. The terrain here is relatively stable, with established road access that could support construction and maintenance activities.

Areas to the southeast, in the direction of the border region, also show potential for solar development, though the increasing elevation and steeper gradients may limit the scale of possible installations. These locations would be better suited to smaller, distributed solar projects rather than utility-scale developments. The southern areas near the lake tend to have more complex topography with mixed slope orientations, making them less ideal for large-scale solar deployment.

The flat areas immediately adjacent to Lake Ohrid, while topographically suitable for solar installation, face significant environmental and regulatory constraints due to the lake's protected status as a UNESCO World Heritage site. Development in these sensitive zones would likely encounter substantial permitting challenges and environmental restrictions that would make large-scale solar projects impractical.

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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.