Solar PV Analysis of Rehovot, Israel
The location at Rehovot, Central District, Israel, is generally good for generating energy through solar photovoltaic (PV) systems throughout the year. This is because it's in the Northern Sub Tropics where sunlight is abundant. However, the amount of electricity produced varies depending on the season.
During summer and spring, you can expect higher electricity output with 8.29 kilowatt-hours (kWh) per day in summer and 7.29 kWh/day in spring per kilowatt (kW) of installed solar. These seasons are ideal times to generate solar energy due to longer daylight hours and more direct sunlight.
Autumn sees a decrease in production to about 5.21 kWh/day per kW of installed solar due to shorter days and less intense sunlight as compared to summer or spring.
Winter has the least production with only about 3.68 kWh/day per kW of installed solar because of shorter daylight hours and less intense sun rays.
For a fixed panel installation at this location, tilting panels at an angle of 27 degrees towards the South will maximize total year-round production from your solar PV system since it matches well with sun's path across sky over course of year.
As for potential factors that could impede solar production at this location, they could include dust storms which are common in desert areas like Israel that can cover panels reducing their efficiency; also tall buildings or trees that might cast shadows over panels; extreme weather conditions such as hail can damage panels too; high ambient temperatures may reduce efficiency as well since PV systems work best under cooler conditions but still need sunshine for optimal performance.
To prevent these issues:
1) Regular cleaning: Dust off your panels regularly especially after dust storms.
2) Proper placement: Make sure there are no obstructions casting shadows on your panel during peak sun hours.
3) Protective measures: Install protective measures like hail guards if extreme weather conditions are common.
4) Cooling systems: Install cooling systems to keep panels at optimal temperatures.
In conclusion, Rehovot, Central District, Israel is a generally good location for solar energy production with some seasonal variation. With the right installation and maintenance practices, you can maximize your solar PV system's efficiency and productivity.
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 Rehovot
Seasonal solar PV output for Latitude: 31.9011, Longitude: 34.8285 (Rehovot, 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 27° South in Rehovot, Israel
To maximize your solar PV system's energy output in Rehovot, Israel (Lat/Long 31.9011, 34.8285) throughout the year, you should tilt your panels at an angle of 27° 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 Rehovot, 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 Rehovot, Israel. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 27° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 16° South in Summer | 36° South in Autumn | 47° South in Winter | 24° 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 Rehovot, 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 Rehovot, Israel.
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 Rehovot, Israel
Rehovot, Israel is located in the coastal plain region of the country. The topography is generally flat with slight undulations. The area has a Mediterranean climate with hot, dry summers and mild, wet winters.
The flat terrain around Rehovot makes it suitable for large-scale solar PV installations. However, land availability might be a constraint due to urbanization and agricultural activities in the region.
Nearby areas that could be suited for large-scale solar PV include:
1. The Negev Desert: Located to the south of Rehovot, this desert area receives high levels of sunlight making it ideal for solar energy production. It also has ample open spaces which can accommodate large-scale installations.
2. Coastal Areas: Areas along the coast can also be considered due to their flat terrain and good sunlight exposure.
3. Rooftops: In urban areas like Rehovot itself, rooftop solar panels could be an effective way to harness solar energy without requiring additional land resources.
Before setting up any installation though, factors such as local regulations, environmental impact assessments and grid connectivity should also be taken into consideration.
It's worth noting that Israel is already investing heavily in renewable energy projects especially in Negev desert where several large scale photovoltaic power plants have been built or are under construction.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 11th of March 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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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.
