Injibara, Amhara, Ethiopia, located at 10.9964° N, 36.9038° E, presents a favorable environment for solar energy generation throughout the year. Situated in the tropics, this location benefits from consistent sunlight and experiences seasons primarily characterized by wet and dry periods rather than significant temperature fluctuations.
Seasonal Solar Performance
The solar energy potential in Injibara varies slightly across seasons, with all periods showing robust electricity generation capabilities. Spring emerges as the most productive season, yielding an impressive 7.00 kWh per day for each kilowatt of installed solar capacity. Winter follows closely with 6.76 kWh/day, while autumn and summer produce 6.12 kWh/day and 5.26 kWh/day, respectively.
This data indicates that Injibara maintains strong solar generation potential year-round, with a slight peak during the spring months. The relatively small variation between seasons suggests a stable and reliable solar energy source throughout the year.
Optimal Panel Orientation
For fixed solar panel installations in Injibara, Amhara, the ideal tilt angle to maximize year-round energy production is 12 degrees facing South. This orientation allows the panels to capture the most sunlight possible across all seasons, considering the location's proximity to the equator and the sun's path throughout the year.
Environmental Considerations
While Injibara's location is generally favorable for solar energy production, there are a few environmental factors to consider:
- Rainfall: The region experiences a rainy season, typically from June to September, which could temporarily reduce solar output.
- Dust and particulate matter: During dry seasons, airborne dust might accumulate on solar panels, potentially decreasing their efficiency.
To mitigate these factors, regular cleaning and maintenance of solar panels is crucial. Installing panels at the recommended 12-degree tilt can also help with natural cleaning during rainfall. Additionally, considering dust-resistant panel coatings or automated cleaning systems could further enhance energy production in this environment.
Overall, Injibara's location presents an excellent opportunity for consistent and efficient solar energy generation throughout the year, with only minor seasonal variations and manageable environmental challenges.
Note: The Tropics are located between 23.5° North and -23.5° South of the equator.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 24 locations across Ethiopia. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Ethiopia by location
Solar output per kW of installed solar PV by season in Injibara
Seasonal solar PV output for Latitude: 10.9964, Longitude: 36.9038 (Injibara, Ethiopia), 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 12° South in Injibara, Ethiopia
To maximize your solar PV system's energy output in Injibara, Ethiopia (Lat/Long 10.9964, 36.9038) throughout the year, you should tilt your panels at an angle of 12° 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 Injibara, Ethiopia
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 Injibara, Ethiopia. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 12° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 5° North in Summer | 17° South in Autumn | 27° South in Winter | 5° 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 Injibara, Ethiopia
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 Injibara, Ethiopia.
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 Injibara, Ethiopia
The topography around Injibara, Ethiopia, located at approximately 11°N latitude and 37°E longitude, is characterized by diverse and rugged terrain. This region is part of the Ethiopian Highlands, known for its mountainous landscape and varied elevations. The area surrounding Injibara features a mix of rolling hills, steep slopes, and plateaus, with elevations generally ranging from 2,000 to 3,000 meters above sea level. The landscape is punctuated by numerous valleys and gorges, carved out over millennia by rivers and streams. These waterways have created a network of drainage systems that contribute to the area's agricultural potential. The combination of high elevation and varied topography results in microclimates throughout the region, influencing local vegetation and land use patterns.
Potential for Solar PV Development
When considering large-scale solar photovoltaic (PV) installations near Injibara, several factors come into play. The most suitable areas for such projects would typically be found on relatively flat or gently sloping terrain, preferably at lower elevations where cloud cover is less frequent. The plateaus and wider valley floors in the vicinity of Injibara could offer promising locations for solar PV farms. These areas generally provide more consistent sun exposure and easier access for construction and maintenance. Additionally, south-facing slopes at moderate elevations might be suitable, as they can maximize solar radiation throughout the year. However, it's important to note that the mountainous nature of the region may present challenges. Steep slopes and narrow valleys are less ideal for large-scale solar installations due to shading issues and the difficulty of establishing expansive arrays. Furthermore, areas prone to landslides or flooding should be avoided to ensure the longevity and safety of the solar infrastructure. Potential developers would need to conduct thorough site assessments, taking into account not only topography but also factors such as proximity to power grids, local land use, and environmental considerations. The Ethiopian government's renewable energy policies and grid expansion plans would also play a crucial role in determining the most viable locations for large-scale solar PV projects in the region.Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 9th of March 2025
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.




