Sparti, Greece, situated at latitude 37.0799 and longitude 22.4282, offers a promising location for solar energy generation through photovoltaic (PV) systems. This ancient city in the Peloponnese region experiences varying levels of solar potential throughout the year, with notable seasonal fluctuations.
Seasonal Solar Performance
The solar energy output in Sparti demonstrates significant variations across the four meteorological seasons. Summer stands out as the most productive period, with an impressive daily output of 7.95 kWh per kW of installed solar capacity. Spring follows closely, yielding 6.40 kWh/day. In contrast, autumn and winter show reduced performance, with 3.95 kWh/day and 2.77 kWh/day, respectively.
These figures indicate that Sparti's location is particularly favorable for solar energy generation during the warmer months, from late spring through early autumn. This period coincides with longer daylight hours and generally clearer skies, maximizing the potential for solar energy capture.
Optimal Panel Installation
To maximize year-round solar energy production in Sparti, fixed solar panels should be tilted at an angle of 31 degrees facing south. This optimal angle takes into account the city's latitude and the sun's position throughout the year, ensuring the best possible exposure to sunlight across all seasons.
Environmental Considerations
While Sparti's climate is generally conducive to solar energy production, there are a few environmental factors to consider:
- Dust and pollen: The Mediterranean climate can lead to dust accumulation on solar panels, potentially reducing efficiency. Regular cleaning and maintenance can mitigate this issue.
- Winter cloudiness: The reduced output in winter months is partly due to increased cloud cover. Utilizing high-efficiency panels can help maximize energy capture during these periods.
To address these factors, implementing a robust cleaning schedule and investing in quality, weather-resistant solar equipment can significantly enhance the overall performance and longevity of a solar PV system in Sparti.
In conclusion, Sparti's location in the Northern Temperate Zone provides a favorable setting for solar energy generation, particularly during the summer and spring months. With proper installation and maintenance, a solar PV system in this historic Greek city can offer substantial renewable energy output throughout the year.
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 87 locations across Greece. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Greece by location
Solar output per kW of installed solar PV by season in Sparti
Seasonal solar PV output for Latitude: 37.0799, Longitude: 22.4282 (Sparti, Greece), 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 31° South in Sparti, Greece
To maximize your solar PV system's energy output in Sparti, Greece (Lat/Long 37.0799, 22.4282) throughout the year, you should tilt your panels at an angle of 31° 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 Sparti, Greece
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 Sparti, Greece. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 21° South in Summer | 41° South in Autumn | 51° South in Winter | 29° 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 Sparti, Greece
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 Sparti, Greece.
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 Sparti, Greece
The area around Sparti, Greece, is characterized by a diverse and dramatic topography. Sparti itself is situated in the Eurotas Valley, a fertile plain surrounded by impressive mountain ranges. To the east of the city rises the imposing Taygetos Mountains, with steep slopes and rugged peaks that dominate the landscape. These mountains create a natural barrier between the Eurotas Valley and the coast.
To the west of Sparti, you'll find the gentler slopes of the Parnon mountain range. While not as steep as the Taygetos, these mountains still contribute to the area's varied terrain. The valley floor around Sparti is relatively flat, with the Eurotas River winding through it, providing water for agriculture and supporting the local ecosystem.
As you move further from the city center, the landscape transitions from urban areas to a mix of agricultural land, olive groves, and natural vegetation. The combination of mountains, valleys, and rivers creates a picturesque setting that has been inhabited since ancient times.
Regarding areas suitable for large-scale solar PV installations, the most promising locations would likely be found in the following areas:
- Valley floor: The flat, open areas of the Eurotas Valley, particularly those not used for agriculture, could provide ideal locations for solar farms. These areas receive ample sunlight and have minimal shading from nearby mountains.
- Lower mountain slopes: The gentler slopes of the Parnon range to the west might offer suitable sites for solar installations. These areas could potentially capture more sunlight throughout the day due to their elevated position.
- Abandoned or non-productive agricultural land: Any large, open spaces that are no longer used for farming or other purposes could be repurposed for solar energy production.
It's important to note that while the mountainous terrain can be challenging for large-scale solar installations, it also creates opportunities for smaller, distributed solar projects that can take advantage of south-facing slopes and elevated areas with good sun exposure.
When considering locations for solar PV projects, factors such as proximity to existing power infrastructure, environmental impact, and local regulations would also need to be taken into account. Additionally, the region's abundant sunlight and relatively mild climate make it generally favorable for solar energy production, despite the topographical challenges.
Greece solar PV Stats as a country
Greece ranks 24th in the world for cumulative solar PV capacity, with 3,530 total MW's of solar PV installed. This means that 9.30% of Greece's total energy as a country comes from solar PV (that's 4th in the world). Each year Greece is generating 329 Watts from solar PV per capita (Greece ranks 11th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Greece?
Yes, there are incentives for businesses wanting to install solar energy in Greece. The Greek government offers a range of financial incentives and tax breaks for businesses that invest in renewable energy sources such as solar power. These include grants, subsidies, and tax credits. Additionally, the European Union has set up a number of programs to support the development of renewable energy sources in Greece.
Do you have more up to date information than this on incentives towards solar PV projects in Greece? 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: Tuesday 30th of July 2024
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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