Turgutlu, Turkey offers reasonably good conditions for solar energy generation throughout most of the year, though with significant seasonal variation typical of its Northern Temperate Zone location.
Seasonal Solar Performance
The solar energy output at this location varies considerably between seasons. Summer delivers the strongest performance at 8.22 kWh per day per kW of installed solar capacity, making it an excellent time for solar generation. Spring also provides good output at 6.13 kWh per day per kW, offering substantial energy production during this season. Autumn sees a notable decline to 4.55 kWh per day per kW, while winter drops significantly to just 2.54 kWh per day per kW. This winter reduction means the location produces roughly three times less solar energy during the coldest months compared to summer peak performance. For optimal year-round energy capture, solar panels should be installed at a fixed tilt angle of 32 degrees facing south. This angle maximizes total annual production by balancing the sun's changing position throughout the seasons.Environmental and Weather Factors
Several local factors in the Turgutlu region could potentially impact solar panel performance:- Dust accumulation from the Mediterranean climate and agricultural activities in the surrounding Manisa province
- Occasional heavy rainfall during winter months that could affect panel efficiency if drainage is poor
- Temperature extremes in summer that may reduce panel efficiency
- Potential for strong winds during seasonal weather transitions
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies prove effective: Regular cleaning schedules help combat dust buildup, particularly important during dry summer months when output is highest. Installing panels with adequate spacing allows for proper air circulation, reducing heat buildup that can decrease efficiency during hot summers. Proper drainage design prevents water pooling during winter rains, while secure mounting systems protect against wind damage. Using high-quality inverters rated for the local temperature range ensures consistent performance across seasons. Overall, Turgutlu represents a moderately favorable location for solar energy, particularly strong during spring and summer months, though winter production limitations should be considered when planning solar installations.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 Turgutlu
Seasonal solar PV output for Latitude: 38.4997, Longitude: 27.696 (Turgutlu, 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 32° South in Turgutlu, Turkey
To maximize your solar PV system's energy output in Turgutlu, Turkey (Lat/Long 38.4997, 27.696) throughout the year, you should tilt your panels at an angle of 32° 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 Turgutlu, 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 Turgutlu, Turkey. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 23° South in Summer | 42° South in Autumn | 53° South in Winter | 30° 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 Turgutlu, 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 Turgutlu, 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 Turgutlu, Turkey
Topographical Features Around Turgutlu
Turgutlu sits in the fertile Gediz River valley in western Turkey's Manisa Province, approximately 50 kilometers inland from the Aegean Sea. The city occupies relatively flat terrain at an elevation of around 68 meters above sea level, nestled within the broader Gediz Plain that stretches across much of the region. This expansive valley floor provides excellent conditions for agriculture and has historically supported extensive farming operations.
The surrounding landscape is characterized by gently rolling hills that gradually rise from the valley floor. To the north, the terrain becomes more elevated as it approaches the foothills of the Spil Mountains, while to the south, the land maintains its relatively flat character before eventually rising toward distant mountain ranges. The Gediz River meanders through this valley system, creating rich alluvial soils that have made the region one of Turkey's important agricultural centers.
The topography features minimal steep slopes or dramatic elevation changes in the immediate vicinity of Turgutlu, with most of the surrounding area consisting of gentle gradients and broad, open spaces. This relatively uniform terrain extends for considerable distances in multiple directions, particularly toward the west and southwest, where the valley system continues toward the Aegean coastal plains.
Optimal Areas for Large-Scale Solar Development
The extensive flat and gently sloping terrain surrounding Turgutlu presents numerous excellent opportunities for large-scale solar photovoltaic installations. The broad valley floor offers vast expanses of relatively level ground that would require minimal grading or preparation for solar panel arrays. These areas benefit from unobstructed sky exposure and consistent terrain conditions that facilitate efficient installation and maintenance operations.
The most promising locations for solar development lie in the agricultural areas immediately surrounding the urban center, particularly to the west and southwest where the terrain remains consistently flat for many kilometers. These zones offer the advantage of proximity to existing electrical infrastructure while maintaining sufficient distance from residential areas. The gentle topography in these directions would allow for large, continuous solar installations without the complications that arise from steep slopes or irregular terrain.
Areas to the north of Turgutlu, while still viable, begin to encounter more varied topography as the land gradually rises toward the mountain foothills. However, many of these gently sloping areas could still accommodate solar installations, particularly on south-facing slopes that would optimize panel orientation. The key advantage throughout the region is the general absence of significant topographical barriers that might create shading issues or complicate installation procedures.
The agricultural plains extending toward neighboring communities offer particularly attractive sites for utility-scale solar projects. These areas typically feature good road access for construction and maintenance, proximity to transmission infrastructure, and the kind of large, contiguous parcels of land that make solar development economically viable. The consistent elevation and minimal terrain variation across much of the Gediz valley system means that solar installations could potentially extend across very large areas without encountering significant topographical constraints.
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: Monday 11th of August 2025
Last Updated: Monday 11th of August 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.
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.




