Marousi, Attica, Greece, located at latitude 38.0459 and longitude 23.7968, is an excellent location for solar power generation due to its high annual sunshine exposure. During the summer season, each kilowatt of installed solar capacity generates an average of 8.05 kilowatt-hours per day (kWh/day). This figure decreases to 3.62 kWh/day in autumn and further drops to 2.53 kWh/day during winter due to shorter daylight hours and lower sun angles. However, solar energy production increases again in spring with an average yield of 6.06 kWh/day per kilowatt installed.
Given Marousi's geographical position within the Northern Temperate Zone, the city experiences mild temperatures throughout most parts of the year which is conducive for efficient operation of solar panels as they perform best under moderate temperatures.
For a fixed panel installation at this location, tilting the panels at an angle of approximately 32 degrees towards south would optimize their exposure towards sunlight thereby maximizing energy production.
In terms of environmental factors that could hinder solar power generation in Marousi; while there are no extreme weather conditions that could significantly impede operations, occasional dust storms or heavy snowfall may reduce panel efficiency by blocking sunlight exposure temporarily. To mitigate such situations it would be beneficial to install a robust cleaning system or have a regular maintenance schedule ensuring clean panels for maximum absorption.
Overall Marousi's favorable climate and ample sunshine make it well-suited for year-round solar power generation with properly installed and maintained systems.
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 Marousi
Seasonal solar PV output for Latitude: 38.0459, Longitude: 23.7968 (Marousi, 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 32° South in Marousi, Greece
To maximize your solar PV system's energy output in Marousi, Greece (Lat/Long 38.0459, 23.7968) 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 Marousi, 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 Marousi, Greece. 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 |
|---|---|---|---|
| 22° 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 Marousi, 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 Marousi, 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 Marousi, Greece
The topography around Marousi, Greece is quite flat and low-lying, with a few small hills in the area. The terrain is mostly open grassland and agricultural fields, with some scattered trees and shrubs. Areas near Marousi that would be most suited for large scale solar PV installations are those that have access to direct sunlight throughout the day without obstruction from trees or other buildings. Open areas such as agricultural fields or parks are ideal locations for these types of installations. Additionally, rooftops can also be used to install solar panels if they have enough space available and receive adequate sunlight exposure.
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!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 5th of August 2023
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.
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.




