Acre, Northern District, Israel, located in the Northern Sub Tropics at coordinates 32.9196°N, 35.0727°E, presents a reasonably good location for year-round solar energy generation, though with notable seasonal variations that affect overall efficiency.

Seasonal Solar Performance

The solar energy output at this location varies significantly throughout the year. Summer delivers the strongest performance at 8.63 kWh per day per kW of installed solar capacity, making it the prime season for solar generation. Spring follows as the second-best period with 7.19 kWh per day per kW, providing excellent energy production during the March to May timeframe. Autumn shows a moderate decline to 5.23 kWh per day per kW, while winter presents the most challenging period with only 3.47 kWh per day per kW of installed capacity. This represents a significant drop of nearly 60% compared to peak summer production.

Optimal Panel Configuration

For fixed panel installations at Acre, Northern District, the ideal tilt angle to maximize total year-round solar production is 28 degrees facing South. This angle is calculated using weighted daily solar elevation angles and NASA solar irradiance data to account for Earth's elliptical orbit and seasonal variations.

Environmental and Weather Factors

Several local factors in Acre can potentially impede solar energy production:

• Mediterranean coastal humidity: High humidity levels can reduce panel efficiency and create more frequent condensation on solar panels
• Salt air corrosion: Being located near the Mediterranean Sea, salt-laden air can corrode mounting systems and degrade panel frames over time
• Dust accumulation: The regional climate can lead to dust and sand buildup on panels, reducing light transmission and energy output
• Seasonal cloud cover: Winter months may experience increased cloud coverage, contributing to the significant drop in energy production during this period

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies can be employed:

• Corrosion-resistant materials: Use marine-grade aluminum mounting systems and stainless steel hardware to withstand salt air exposure
• Regular cleaning systems: Install automated cleaning systems or establish frequent manual cleaning schedules to remove dust and salt deposits
• Proper drainage design: Ensure mounting systems allow adequate water drainage to prevent standing water and reduce humidity-related issues
• Quality panel selection: Choose solar panels with robust anti-reflective coatings and sealed junction boxes rated for high-humidity environments

Despite these environmental challenges, Acre's location still offers substantial solar energy potential, particularly during the extended warm season from spring through summer when production levels are quite strong.

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 Acre

Seasonal solar PV output for Latitude: 32.9196, Longitude: 35.0727 (Acre, 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 Acre, Israel

To maximize your solar PV system's energy output in Acre, Israel (Lat/Long 32.9196, 35.0727) 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 Acre, 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 Acre, 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	48° 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 Acre, 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 Acre, 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 Acre, Israel

Topographical Features Around Acre

Acre sits on Israel's Mediterranean coastline, positioned on a relatively flat coastal plain that extends inland from the sea. The immediate area around the ancient city is characterized by low-lying terrain with gentle undulations rather than dramatic elevation changes. This coastal plain, known as the Acre Plain, forms part of the broader Sharon Plain that runs along much of Israel's Mediterranean coast.

The topography gradually rises as one moves eastward from the coast, transitioning from the flat coastal areas to rolling hills and eventually reaching the foothills of the Galilee mountains. To the north and northeast, the landscape becomes more varied with modest hills and valleys, while the southern approaches maintain the relatively flat character of the coastal plain. The western boundary is defined by the Mediterranean Sea, with sandy beaches and low cliffs marking the coastline.

The region features a mix of agricultural land, urban development, and natural areas. Much of the surrounding countryside consists of cultivated fields and orchards, taking advantage of the fertile soils deposited over millennia. Small wadis (seasonal watercourses) cut through the landscape, creating minor variations in the otherwise gentle topography.

Optimal Areas for Large-Scale Solar Development

The coastal plain extending south and southeast of Acre presents the most favorable conditions for large-scale solar photovoltaic installations. These areas combine the essential elements needed for efficient solar farms: relatively flat terrain that minimizes grading costs and installation complexity, minimal shading from topographical features, and good accessibility for construction and maintenance activities.

The flat to gently rolling agricultural lands located approximately 5-15 kilometers inland from the coast offer particularly suitable conditions. These areas avoid the immediate coastal zone where salt spray and humidity could affect equipment while maintaining the benefits of level terrain. The slightly elevated inland areas also tend to have better drainage characteristics, which is important for long-term installation stability.

Areas to the east and northeast, where the terrain begins to transition toward the Galilee hills, become progressively less suitable for large installations due to increased slope angles and more complex topography. The rolling hills in these directions would require more extensive site preparation and could create shading issues between panel arrays, reducing overall system efficiency.

The southern extensions of the coastal plain, moving toward the Haifa metropolitan area, maintain favorable topographical conditions for solar development. However, the northern areas toward the Lebanese border, while topographically suitable in many places, may face different constraints related to proximity to international boundaries.

When evaluating potential sites, the ideal locations would be those flat or gently sloping areas with southern exposure, minimal obstruction from existing structures or vegetation, and good access to electrical grid infrastructure. The coastal plain's relatively uniform topography means that many locations within 10-20 kilometers of Acre could technically accommodate large solar installations from a purely topographical perspective.

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.