Solar Energy Potential in Karnobat, Burgas, Bulgaria

Karnobat, Burgas, Bulgaria, located at coordinates 42.6538, 26.9882 in the Northern Temperate Zone, presents a moderately favorable location for solar PV energy generation, though with significant seasonal variations. The location experiences strong summer production but considerably weaker winter output, creating a notable seasonal imbalance. During summer months, solar panels in Karnobat can generate an impressive 6.95kWh per day for each kilowatt of installed capacity. This makes summer the prime season for solar energy production in the region, when longer days and higher sun angles maximize energy capture. Spring follows as the second most productive season, with panels generating 5.12kWh per day per installed kilowatt. This represents a solid energy production period as the sun's path rises higher in the sky after winter. Autumn shows a significant drop in production to 3.10kWh per day per kilowatt of installed capacity. While still contributing meaningful energy, this represents less than half of summer production levels. Winter presents the greatest challenge for solar energy in Karnobat, Burgas, with production falling to just 1.94kWh per day per kilowatt. This winter dip creates a substantial seasonal disparity, with winter generating only 28% of the electricity that can be produced during summer months.

Optimal Panel Installation

For fixed-panel solar installations in Karnobat, Burgas, the ideal tilt angle to maximize year-round energy production is 36 degrees facing South. This angle optimizes the capture of available sunlight throughout the year, balancing between summer and winter sun positions.

Environmental Considerations

Several environmental factors could potentially impact solar production in Karnobat:

• Snow accumulation during winter months can temporarily reduce output if panels become covered, requiring either manual clearing or sufficient panel tilt to facilitate natural snow sliding.
• Dust and pollen accumulation, particularly during dry summer periods, can gradually reduce panel efficiency if not addressed through regular cleaning or rain exposure.
• Occasional fog or mist in the region, especially during autumn and winter mornings, may temporarily reduce solar production during affected hours.

Preventative measures for these challenges include installing panels at the recommended 36-degree tilt (which also helps with snow shedding), implementing periodic cleaning maintenance, and considering microinverters or power optimizers that can minimize the impact of partial shading on overall system performance. Overall, Karnobat offers good solar potential with its strong summer and spring production, though winter capacity limitations should be considered when sizing systems to meet year-round energy needs.

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 Karnobat

Seasonal solar PV output for Latitude: 42.6538, Longitude: 26.9882 (Karnobat, 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 Karnobat, Bulgaria

To maximize your solar PV system's energy output in Karnobat, Bulgaria (Lat/Long 42.6538, 26.9882) 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 Karnobat, 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 Karnobat, 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
27° South in Summer	46° South in Autumn	57° South in Winter	35° 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 Karnobat, 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 Karnobat, Bulgaria.

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 Karnobat, Bulgaria

The landscape surrounding Karnobat in southeastern Bulgaria presents a diverse topographical profile characterized by gently rolling hills, shallow valleys, and open plains. Situated in the eastern part of the Upper Thracian Plain, Karnobat lies at an elevation of approximately 250 meters above sea level. The terrain gradually transitions from the relatively flat areas around the town to more undulating landscapes as one moves outward. To the north of Karnobat, the terrain begins to rise toward the eastern reaches of the Balkan Mountains (Stara Planina), creating a more varied relief with increasing elevation. These northern hills feature moderate slopes and scattered woodland areas. The southern direction offers more extensive flat to gently sloping terrain that extends toward the Burgas Plain and eventually the Black Sea coast, approximately 50 kilometers to the east.

Hydrological Features

The area is crossed by several small rivers and streams, including the Mochuritsa River, which forms part of the Tundzha River basin. These waterways have carved shallow valleys throughout the region, creating natural boundaries between the rolling hills. The local hydrology has historically influenced settlement patterns and agricultural development in the region.

Vegetation and Land Use

The natural vegetation around Karnobat has been significantly modified by human activity over centuries. The region features a mix of agricultural land, particularly vineyards and grain fields, interspersed with patches of oak and hornbeam forests on steeper slopes or areas less suitable for farming. The moderate climate and relatively open terrain have made this region an important agricultural center in Bulgaria.

Solar PV Potential Areas

For large-scale solar photovoltaic installations, the most suitable areas near Karnobat would be the gently sloping south-facing hillsides and flat plains to the south and southeast of the town. These areas offer several advantages: The flat to gently undulating terrain south of Karnobat provides excellent conditions for solar farm development, with minimal earthwork requirements and good drainage characteristics. These areas receive substantial direct sunlight due to their open exposure and lack of significant shadowing from mountain ranges. The slightly elevated plateaus southwest of Karnobat, between the town and Straldzha, present particularly promising locations. These areas combine favorable topography with good accessibility via existing road networks, making construction and maintenance more economical. Areas to avoid would include the steeper northern slopes, any flood-prone zones near the Mochuritsa River and its tributaries, and locations with dense forest cover. The more pronounced hills to the north cast longer shadows and receive less direct sunlight, making them less optimal for solar energy capture. The eastern plains extending toward Aytos also offer significant potential, with their open character and minimal obstruction from natural features. These areas benefit from the moderating influence of the Black Sea on cloud cover patterns while maintaining sufficient distance from the coast to avoid the corrosive effects of salt spray on solar equipment. Agricultural land quality should be considered when planning solar installations, with preference given to marginal agricultural lands rather than the most productive soils. This approach helps balance renewable energy development with food security concerns in this traditionally agricultural region.

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!

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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.