Nahariya, Northern District, Israel, located in the Northern Sub Tropics at coordinates 33.0068, 35.0858, presents a moderately favorable location for year-round solar PV energy generation, though with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Performance

The solar energy output at this location varies dramatically throughout the year. Summer provides the peak performance period, generating 8.64 kWh per day per kW of installed solar capacity. This represents excellent solar conditions when energy demand for cooling is typically highest. Spring offers strong solar generation at 6.99 kWh per day per kW, making it the second-best season for solar production. Autumn performance drops to 5.19 kWh per day per kW, which still represents reasonable output for most residential and commercial applications. Winter presents the most challenging period for solar generation, producing only 3.27 kWh per day per kW of installed capacity. This represents less than 38% of summer output, highlighting the importance of proper system sizing and energy storage considerations for year-round energy independence.

Optimal Installation Configuration

For maximum year-round solar production at Nahariya, Northern District, solar panels should be installed at a fixed tilt angle of 28 degrees facing South. This angle has been calculated using a sophisticated method that considers daily solar elevation angles at this specific latitude, weights them by daily photovoltaic potential using NASA solar irradiance data, and accounts for Earth's elliptical orbit to determine the optimal annual average angle.

Local Environmental Challenges

Several environmental factors at this coastal Northern Sub Tropical location could potentially impact solar panel performance and require specific preventative measures:

• Salt air corrosion: Being located near the Mediterranean coast, Nahariya experiences salt-laden air that can accelerate corrosion of solar panel frames, mounting hardware, and electrical connections
• Sand and dust accumulation: The regional climate can bring dust storms and airborne particles that accumulate on panel surfaces, reducing light transmission and energy output
• High humidity: Subtropical coastal conditions create elevated humidity levels that can affect electrical components and promote corrosion
• Occasional severe weather: The region may experience strong winds, hail, or intense rainfall that could damage improperly secured installations

Preventative Installation Measures

To maximize solar energy production despite these environmental challenges, several preventative measures should be implemented during installation: Choose marine-grade aluminum frames and stainless steel mounting hardware specifically designed to resist salt air corrosion. All electrical connections should use sealed, weatherproof enclosures with appropriate IP ratings for coastal environments. Install panels with adequate spacing for natural rain cleaning and easy manual cleaning access. Consider automated cleaning systems or establish regular maintenance schedules to remove dust and salt buildup, particularly important during dry periods when natural cleaning from rainfall is limited. Ensure robust mounting systems engineered for local wind loads and properly grounded electrical systems to handle the increased conductivity risks associated with humid, salt air conditions. Use DC and AC disconnect switches rated for marine environments. Select solar panels with strong warranties against environmental degradation and consider models with enhanced anti-reflective coatings that resist soiling and maintain performance in dusty conditions.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 100 locations across Israel. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Israel by location

Solar output per kW of installed solar PV by season in Nahariya

Seasonal solar PV output for Latitude: 33.0068, Longitude: 35.0858 (Nahariya, Israel), 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 28° South in Nahariya, Israel

To maximize your solar PV system's energy output in Nahariya, Israel (Lat/Long 33.0068, 35.0858) throughout the year, you should tilt your panels at an angle of 28° 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 Nahariya, Israel

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 Nahariya, Israel. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
17° South in Summer	37° South in Autumn	47° South in Winter	25° 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 Nahariya, Israel

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 Nahariya, Israel.

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 Nahariya, Israel

Topographical Features Around Nahariya

Nahariya sits along Israel's Mediterranean coastline in the Western Galilee region, positioned on a narrow coastal plain that extends inland from the sea. The immediate area around the city features relatively flat terrain, with gentle undulations and low-lying areas that gradually rise as one moves eastward away from the coast. This coastal plain, known locally as the Sharon Plain in its southern sections and the Galilee coastal plain in this northern region, provides a stable foundation for urban development and infrastructure. The topography becomes more varied as distance from the coast increases. Rolling hills begin to emerge approximately 10-15 kilometers inland, marking the beginning of the Galilee highlands. These hills increase in elevation and complexity as they extend toward the Upper Galilee mountains further east. The western slopes of these hills face the Mediterranean Sea, creating natural drainage patterns that flow toward the coast through several seasonal streams and wadis. To the north of Nahariya, the terrain remains relatively gentle, with the Lebanese border running through similar coastal plain geography. Southward along the coast, the topographical character continues with minimal elevation changes, maintaining the flat to gently rolling nature of the Mediterranean coastal region.

Optimal Areas for Large-Scale Solar Development

The coastal plain extending inland from Nahariya presents excellent opportunities for large-scale solar photovoltaic installations. The relatively flat terrain in this area minimizes grading and construction costs while providing optimal conditions for solar panel arrays. Areas located 5-20 kilometers inland from the coast offer particularly attractive characteristics, as they maintain the beneficial flat topography while being positioned away from the more densely populated coastal strip. The gently rolling hills that begin further inland also present viable options for solar development, particularly on south-facing slopes that can maximize solar exposure throughout the day. These elevated positions often benefit from reduced atmospheric moisture compared to the immediate coastal zone, which can improve solar panel efficiency. The natural drainage patterns in these areas also help prevent water accumulation that might affect solar installations during the rainy season. Agricultural areas on the coastal plain represent prime candidates for solar development, as the flat, open terrain requires minimal site preparation. Many of these areas feature existing access roads and electrical infrastructure, reducing development costs and complexity. The absence of significant topographical obstacles means that large solar arrays can be constructed with consistent panel orientation and minimal shading issues. Areas to the northeast and southeast of Nahariya, where the coastal plain transitions to low hills, offer an ideal compromise between flat terrain and elevated positions. These locations benefit from the stability and accessibility of the coastal plain while gaining some elevation that can improve solar exposure and reduce the impact of coastal humidity and salt air on solar equipment.

Israel solar PV Stats as a country

Israel ranks 29th in the world for cumulative solar PV capacity, with 2,555 total MW's of solar PV installed. This means that 4.70% of Israel's total energy as a country comes from solar PV (that's 17th in the world). Each year Israel is generating 277 Watts from solar PV per capita (Israel ranks 16th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Israel?

Yes, there are several incentives for businesses wanting to install solar energy in Israel. The Israeli government offers a variety of financial incentives and subsidies for businesses that install solar energy systems. These include grants, tax credits, and low-interest loans. Additionally, the government has implemented a feed-in tariff program which guarantees a fixed price for electricity generated from renewable sources such as solar power. This helps to ensure that businesses can recoup their investment in solar energy over time.

Do you have more up to date information than this on incentives towards solar PV projects in Israel? 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.