Ierapetra, located in southeastern Crete, Greece, offers a promising location for solar energy generation throughout the year. Situated at latitude 35.0069° N and longitude 25.7328° E, this Mediterranean town experiences varying levels of solar potential across different seasons.

Seasonal Solar Production

Solar energy production in Ierapetra fluctuates significantly between seasons. Summer stands out as the most productive period, with an impressive average daily output of 8.22 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 6.56 kWh/day. Autumn sees a notable decrease in production, averaging 4.52 kWh/day, while winter experiences the lowest output at 3.02 kWh/day.

Optimal Panel Placement

To maximize year-round solar energy production in Ierapetra, fixed solar panels should be tilted at a 29-degree angle facing south. This optimal angle takes into account the town's latitude and seasonal variations in sun position, ensuring the best overall performance throughout the year.

Ideal Times for Solar Generation

The period from late spring to early autumn offers the most favorable conditions for solar energy production in Ierapetra. During these months, longer daylight hours and higher sun angles contribute to increased solar panel efficiency. July and August typically yield the highest energy output, making them the peak months for solar generation.

Environmental and Weather Considerations

While Ierapetra's climate is generally conducive to solar energy production, there are a few factors to consider:

1. Dust and salt accumulation: Proximity to the sea can lead to salt deposits on solar panels, while the region's occasional dust storms may reduce panel efficiency. Regular cleaning and maintenance can mitigate these issues.
2. High summer temperatures: Extreme heat can slightly decrease solar panel efficiency. Ensuring proper ventilation behind the panels during installation can help manage this concern.

Despite these minor challenges, Ierapetra's location in the Northern Temperate Zone, combined with its Mediterranean climate, makes it an excellent candidate for year-round solar energy production. With proper installation and maintenance, solar PV systems in this area can provide a reliable and sustainable source of electricity 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 Ierapetra

Seasonal solar PV output for Latitude: 35.0069, Longitude: 25.7328 (Ierapetra, 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 29° South in Ierapetra, Greece

To maximize your solar PV system's energy output in Ierapetra, Greece (Lat/Long 35.0069, 25.7328) throughout the year, you should tilt your panels at an angle of 29° 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 Ierapetra, 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 Ierapetra, Greece. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
19° South in Summer	39° South in Autumn	50° South in Winter	27° 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 Ierapetra, 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 Ierapetra, Greece.

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 Ierapetra, Greece

Ierapetra, located on the southern coast of Crete, Greece, is nestled in a diverse and picturesque landscape. The city itself sits on a narrow coastal plain, with the sparkling waters of the Libyan Sea to its south. As you move inland from the coast, the terrain gradually rises, transitioning into rolling hills and eventually giving way to more rugged mountainous areas. To the north of Ierapetra, the land ascends into the foothills of the Dikti Mountains, a prominent mountain range that dominates much of eastern Crete. These mountains, with their steep slopes and rocky outcrops, create a dramatic backdrop for the city. The hillsides are often covered with a mix of Mediterranean vegetation, including olive groves, which are a significant part of the local agriculture. East and west of the city, the coastline stretches out, characterized by a series of beaches, small bays, and rocky promontories. The coastal areas are generally flat or gently sloping, with some sections rising more abruptly into hills as you move away from the shore.

Potential Areas for Large-scale Solar PV

When considering areas suitable for large-scale solar photovoltaic (PV) installations near Ierapetra, several factors come into play. The ideal locations would combine ample sunlight exposure, relatively flat terrain, and minimal conflict with existing land uses or environmental concerns. The coastal plain surrounding Ierapetra offers some potential for solar PV development. These areas benefit from excellent sun exposure and relatively flat terrain, which simplifies installation and maintenance. However, competition with agricultural land use and potential visual impact on the coastal landscape must be carefully considered. Moving slightly inland, the gently rolling hills to the north and northwest of Ierapetra present promising opportunities for solar PV installations. These areas often receive abundant sunlight and have less intensive agricultural use compared to the fertile coastal plains. The slight inclination of the land can actually be advantageous for solar panel placement, potentially increasing their efficiency. Some of the higher elevation areas in the foothills of the Dikti Mountains might also be suitable for solar farms. While the terrain becomes more challenging, these locations often have lower competition for land use and could potentially accommodate larger installations. However, careful site selection would be necessary to avoid areas of significant ecological importance or extreme topography. It's important to note that any large-scale solar PV development would need to be balanced with environmental considerations, local land use policies, and the preservation of Crete's natural beauty and cultural heritage. Comprehensive environmental impact assessments and community consultations would be essential steps in identifying the most appropriate locations for such projects in the vicinity of Ierapetra.

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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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.