Solar PV Analysis of Rakovski, Bulgaria
Rakovski, Plovdiv, Bulgaria, situated at latitude 42.2999 and longitude 24.9631, offers a mixed potential for solar energy generation throughout the year. This location in the Northern Temperate Zone experiences significant seasonal variations in solar output, which impacts the overall efficiency of photovoltaic (PV) systems.
Seasonal Solar Performance
The solar energy production in Rakovski varies considerably across seasons. Summer stands out as the most productive period, with an impressive daily output of 6.96 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 5.15 kWh/day. Autumn sees a noticeable decrease to 3.26 kWh/day, while winter experiences the lowest output at 2.03 kWh/day.
These figures indicate that Rakovski's location is particularly favorable for solar energy generation during the warmer months, spanning from late spring through early autumn. This period offers extended daylight hours and generally clearer skies, maximizing solar panel efficiency.
Optimal Panel Installation
To maximize year-round solar energy production in Rakovski, Plovdiv, fixed solar panels should be tilted at an angle of 36 degrees facing south. This optimal angle is calculated based on the location's latitude and seasonal sun positions, ensuring the best possible exposure to sunlight throughout the year.
Environmental Considerations
While Rakovski's location is generally suitable for solar energy production, there are some environmental factors to consider:
- Winter snow: The region may experience snowfall in winter, which can temporarily reduce panel efficiency. Regular panel cleaning and the use of snow-shedding systems can mitigate this issue.
- Dust and pollen: During dry periods, dust accumulation on panels can slightly decrease efficiency. Implementing automated cleaning systems or scheduling regular maintenance can help maintain optimal performance.
Despite these minor challenges, there are no significant environmental or weather-related impediments to solar production in Rakovski. With proper installation techniques and routine maintenance, solar PV systems can operate efficiently in this location, particularly capitalizing on the high-yield summer and spring seasons.
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 68 locations across Bulgaria. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Bulgaria by location
Solar output per kW of installed solar PV by season in Rakovski
Seasonal solar PV output for Latitude: 42.2999, Longitude: 24.9631 (Rakovski, Bulgaria), 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 36° South in Rakovski, Bulgaria
To maximize your solar PV system's energy output in Rakovski, Bulgaria (Lat/Long 42.2999, 24.9631) throughout the year, you should tilt your panels at an angle of 36° 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 Rakovski, Bulgaria
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 Rakovski, Bulgaria. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 26° South in Summer | 46° South in Autumn | 56° South in Winter | 34° 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 Rakovski, Bulgaria
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 Rakovski, Bulgaria.
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 Rakovski, Bulgaria
The area around Rakovski, Bulgaria, is characterized by a diverse topography that reflects its location in the Upper Thracian Plain. This region is primarily flat to gently rolling, with occasional low hills and shallow valleys. The city itself sits at an elevation of about 160 meters (525 feet) above sea level.
To the north of Rakovski, the terrain gradually rises towards the foothills of the Sredna Gora mountain range. This transition creates a subtle incline with occasional undulations in the landscape. To the south, the terrain remains relatively flat, extending into the heart of the Upper Thracian Plain.
The area is crisscrossed by several small rivers and streams, which have carved shallow valleys into the otherwise level terrain. These waterways contribute to the fertility of the region, which is known for its agricultural productivity.
Regarding areas suitable for large-scale solar PV (photovoltaic) installations, the flat expanses of the Upper Thracian Plain to the south and southeast of Rakovski would be most appropriate. These areas offer several advantages for solar energy production:
- Flat terrain: The level ground reduces the need for extensive land preparation and allows for easier installation of solar panels.
- Minimal shadowing: The absence of significant hills or mountains nearby means less potential for natural obstructions that could cast shadows on the panels.
- Good solar exposure: The region experiences a favorable amount of sunlight throughout the year, making it suitable for solar energy generation.
- Proximity to infrastructure: The nearby urban areas provide access to existing electrical grids for easier integration of the produced energy.
However, it's important to note that the exact suitability of any specific location would require detailed on-site assessments, considering factors such as local microclimate, soil conditions, and proximity to sensitive ecosystems or protected areas. Additionally, as the region is known for its agricultural productivity, careful consideration would need to be given to balancing energy production with preserving valuable farmland.
Bulgaria solar PV Stats as a country
Bulgaria ranks 41st in the world for cumulative solar PV capacity, with 1,186 total MW's of solar PV installed. This means that 4.70% of Bulgaria's total energy as a country comes from solar PV (that's 18th in the world). Each year Bulgaria is generating 171 Watts from solar PV per capita (Bulgaria ranks 31st in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Bulgaria?
Yes, there are incentives for businesses wanting to install solar energy in Bulgaria. The Bulgarian government offers a number of financial incentives and subsidies for businesses that install solar energy systems. These include grants, tax credits, and other forms of support. Additionally, the European Union has provided funding for renewable energy projects in Bulgaria through its Horizon 2020 program.
Do you have more up to date information than this on incentives towards solar PV projects in Bulgaria? Please reach out to us and help us keep this information current. Thanks!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 17th of October 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.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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