Solar Energy Potential in Ardahan, Turkey
Ardahan, Turkey, located in the Northern Temperate Zone at coordinates 41.1139, 42.6977, shows varying potential for solar photovoltaic (PV) energy generation throughout the year. This mountainous region in northeastern Turkey experiences distinct seasonal differences in solar energy production. The solar energy generation capacity in Ardahan follows a predictable seasonal pattern. Summer stands out as the most productive period, with an average daily output of 6.47kWh per kW of installed solar capacity. Spring follows as the second most productive season, generating 5.34kWh/day. Production decreases significantly in autumn to 3.35kWh/day, while winter represents the lowest output period with only 2.28kWh/day per kW of installed capacity.Seasonal Variations and Optimal Generation Periods
The substantial difference between summer and winter production indicates that Ardahan experiences significant seasonal variability. The most ideal time for solar energy generation spans from late spring through early autumn (approximately May through September), when longer days and more direct sunlight maximize panel efficiency. For fixed panel installations in Ardahan, the ideal angle to tilt panels to maximize total year-round production from solar PV is 35 degrees South. This optimal tilt helps balance seasonal variations and maximize annual energy yield.Environmental and Weather Challenges
Several environmental factors can impact solar production in Ardahan:- Heavy snowfall in winter months can cover panels, reducing or completely blocking generation unless regularly cleared
- Fog and cloud cover are common in this mountainous region, particularly in autumn and winter
- Dust and pollen accumulation during spring and summer can gradually reduce panel efficiency
Preventative Measures for Installation
To maximize solar energy production in Ardahan's challenging environment, several preventative measures should be considered:- Install panels at steeper angles than the optimal 35 degrees in areas prone to heavy snowfall to promote natural snow shedding
- Implement automated cleaning systems or regular maintenance schedules to remove snow, dust, and debris
- Consider using bifacial panels to capture reflected light from snow cover in winter
- Install micro-inverters or power optimizers to minimize the impact of partial shading
- Use high-efficiency panels rated for extreme weather 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 165 locations across Turkey. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Turkey by location
Solar output per kW of installed solar PV by season in Ardahan
Seasonal solar PV output for Latitude: 41.1139, Longitude: 42.6977 (Ardahan, Turkey), 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 35° South in Ardahan, Turkey
To maximize your solar PV system's energy output in Ardahan, Turkey (Lat/Long 41.1139, 42.6977) throughout the year, you should tilt your panels at an angle of 35° 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 Ardahan, Turkey
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 Ardahan, Turkey. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° 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 | 56° 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 Ardahan, Turkey
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 Ardahan, Turkey.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Ardahan, Turkey
The topography around Ardahan, Turkey presents a striking landscape characterized by high plateaus and mountainous terrain. Located in the northeastern region of Turkey, Ardahan sits at an elevation of approximately 1,800 meters above sea level, making it one of the highest provincial centers in the country. The city is nestled within a basin surrounded by mountains, creating a distinctive geographical setting that influences both climate and land use patterns. The surrounding landscape features rolling highlands interspersed with valleys carved by rivers such as the Kura River, which originates in northeastern Turkey before flowing eastward into Georgia. These highlands are part of the broader Eastern Anatolian region, known for its rugged terrain that transitions into the Lesser Caucasus mountain range to the northeast. The topographical relief in this region is significant, with elevation changes that create varied microclimates and ecological zones.
Mountain Influences
Mountains form a prominent feature of Ardahan's surrounding topography. To the north, the terrain rises toward the border with Georgia, with peaks reaching over 3,000 meters in some areas. These mountains create natural boundaries and influence weather patterns, often blocking moisture-laden air masses and affecting precipitation distribution. The southern areas gradually transition into the broader Eastern Anatolian plateau, maintaining relatively high elevations but with somewhat gentler slopes in certain sectors. The mountainous character of the region has historically limited extensive infrastructure development, with settlements concentrated in valleys and more accessible plateau areas. Seasonal changes dramatically transform the landscape, with winter bringing substantial snow cover that can persist for extended periods due to the high elevation and continental climate influences.Potential Solar PV Areas
For large-scale solar photovoltaic installations, several areas near Ardahan offer promising potential despite the mountainous terrain. The relatively flat plateau sections south and southwest of Ardahan city present the most suitable topography for extensive solar arrays. These areas benefit from adequate solar exposure while avoiding the steepest terrain that would complicate construction and maintenance. The Göle district, located southwest of Ardahan city, contains extended plateau areas with favorable topographical characteristics for solar development. These locations combine relatively level terrain with good solar exposure angles, minimizing the engineering challenges that steeper slopes would present. The elevated nature of these plateaus also means they experience less atmospheric interference, potentially enhancing solar radiation efficiency. Areas along the broader valleys, particularly stretching southeast toward Çıldır, also merit consideration for solar development. These locations offer more gradual slopes while maintaining the high-elevation advantages for solar radiation capture. The land in these valleys, while still at considerable elevation, provides more accessible terrain for the infrastructure requirements of large-scale installations. It's worth noting that while the mountainous topography presents certain challenges for solar development, the high elevation of the entire region offers compensating advantages. The thinner atmosphere at these elevations allows for potentially greater solar radiation intensity when skies are clear. Additionally, the cooler ambient temperatures at higher elevations can benefit photovoltaic efficiency, as solar panels typically perform better when operating at lower temperatures. The southeastern facing slopes of some of the gentler hills in the region may also offer attractive positioning for solar arrays, allowing for optimized angle placement toward the sun's path. However, developers would need to carefully balance the potential advantages of such locations against the increased construction complexity compared to more level terrain.Turkey solar PV Stats as a country
Turkey ranks 16th in the world for cumulative solar PV capacity, with 7,817 total MW's of solar PV installed. This means that 5.90% of Turkey's total energy as a country comes from solar PV (that's 14th in the world). Each year Turkey is generating 92 Watts from solar PV per capita (Turkey ranks 41st in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Turkey?
Yes, there are incentives for businesses wanting to install solar energy in Turkey. The Turkish government offers a number of financial incentives and tax breaks for businesses that invest in renewable energy sources such as solar power. These include grants, loans, and tax credits. Additionally, the government has set up a feed-in tariff system which guarantees a certain price per kilowatt hour of electricity generated from solar panels. This helps to make investing in solar energy more attractive to businesses.
Do you have more up to date information than this on incentives towards solar PV projects in Turkey? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 21st of March 2025
Last Updated: Monday 21st of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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.




