Lipova, Arad County, Romania, located at 46.0929° latitude and 21.6925° longitude in the Northern Temperate Zone, presents a moderate location for solar PV energy generation with significant seasonal variations throughout the year.
The solar energy potential in Lipova follows a predictable seasonal pattern. During summer months, solar panels can generate an impressive 6.85kWh per day for each kilowatt installed, making this the prime season for solar energy production. Spring follows as the second most productive season, with daily generation averaging 4.95kWh per installed kilowatt. Autumn sees a considerable drop to 3.05kWh per day, while winter performance falls dramatically to just 1.44kWh daily per kilowatt of installed capacity.
Optimal Panel Installation
For fixed solar panel installations in Lipova, Arad County, the ideal tilt angle to maximize year-round energy production is 39 degrees facing South. This specific angle has been calculated to optimize solar capture throughout the year, accounting for the location's latitude and seasonal sun positions.
Seasonal Considerations
The substantial difference between summer and winter production (a ratio of nearly 5:1) indicates that Lipova experiences significant seasonal variability. This means that system sizing should account for these fluctuations, potentially requiring larger installations to meet winter energy needs or supplemental energy sources during the colder months.
Environmental Factors and Mitigation
Several environmental factors could potentially impact solar production in Lipova. The continental climate of Romania brings cold, snowy winters that can temporarily cover panels and reduce efficiency. Regular snow removal systems or steeper installation angles might be necessary during winter months.
Additionally, Lipova's location near the Mureș River may experience morning fog or mist, particularly during autumn and spring, which could slightly reduce morning production. Elevating panel installations above typical fog levels can help mitigate this issue.
Dust and pollen accumulation, especially during spring and summer from surrounding agricultural areas, can gradually reduce panel efficiency. Implementing automated cleaning systems or scheduling regular maintenance cleanings, particularly after dry periods, would help maintain optimal performance.
To maximize energy production in this location, consider using bifacial panels that can capture reflected light, installing a solar tracking system to improve capture during peak production seasons, and ensuring panels have adequate spacing for proper ventilation to prevent efficiency losses from overheating during summer.
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 114 locations across Romania. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Romania by location
Solar output per kW of installed solar PV by season in Lipova
Seasonal solar PV output for Latitude: 46.0929, Longitude: 21.6925 (Lipova, Romania), 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 39° South in Lipova, Romania
To maximize your solar PV system's energy output in Lipova, Romania (Lat/Long 46.0929, 21.6925) throughout the year, you should tilt your panels at an angle of 39° 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 Lipova, Romania
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 Lipova, Romania. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 39° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 29° South in Summer | 50° South in Autumn | 59° South in Winter | 38° 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 Lipova, Romania
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 Lipova, Romania.
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 Lipova, Romania
The region surrounding Lipova, Romania is characterized by a diverse and intriguing topography that transitions between several distinct landforms. Situated in western Romania, Lipova lies in Arad County along the Mureș River, one of Romania's major waterways. The town is positioned at the meeting point of the Pannonian Plain and the western foothills of the Apuseni Mountains, creating a landscape of gentle undulations that gradually rise into more pronounced hills toward the east. To the west of Lipova, the terrain flattens considerably as it extends into the vast Pannonian Plain, a major geographic feature that stretches across multiple countries in Central Europe. This plain offers extensive flat areas with minimal shading obstacles, making it potentially suitable for large-scale solar installations. The elevation in these western portions typically ranges between 100-150 meters above sea level, with minimal slope gradients that would facilitate construction and maintenance of solar infrastructure.
River Valley and Surrounding Highlands
The Mureș River valley cuts through the region, creating a relatively flat corridor flanked by higher terrain. This river valley has historically served as an important transportation route and has influenced settlement patterns in the region. The valley floor offers some potential for solar development, though proximity to the river means these areas may have higher humidity levels and occasional morning fog that could marginally affect solar efficiency. As one moves eastward from Lipova, the landscape begins to rise more dramatically into the foothills of the Apuseni Mountains. These hills, part of the Western Carpathians, create a more varied topography with elevations reaching 300-400 meters in the immediate vicinity. The terrain becomes increasingly undulating with a mix of slopes facing different directions, creating microclimates that vary in their solar exposure.Soil and Surface Characteristics
The soil composition around Lipova varies considerably with the changing topography. The lowland areas to the west feature rich alluvial soils deposited by the Mureș River, while the upland regions have thinner soils with more rocky outcroppings. These soil differences would influence construction methods for solar installations, with the western plains generally offering easier conditions for foundation work. The natural vegetation transitions from agricultural land in the plains to mixed deciduous forests in the higher elevations, particularly to the east. These forested areas would be less suitable for solar development due to both the ecological impact of clearing and the more challenging terrain.Optimal Areas for Solar PV Development
Based on topographical considerations alone, the most promising areas for large-scale solar PV development would be the flatter regions to the west and southwest of Lipova, extending into the Pannonian Plain. These areas combine several advantageous features: The flat terrain minimizes construction challenges and costs associated with grading and foundation work. The open landscape reduces natural shading from hills or mountains that could compromise solar efficiency. The lower elevation plains generally experience less cloud cover than the higher elevation areas to the east, where orographic lifting can increase cloud formation. Secondary areas of interest might include the gentler south-facing slopes of hills to the north and northeast of Lipova. While these would involve more complex construction, south-facing slopes in the Northern Hemisphere naturally maximize solar exposure, potentially offsetting some of the additional development costs. The river terraces along the Mureș, set back from the immediate floodplain, could also offer viable locations with good solar exposure and relatively flat terrain, though careful consideration would need to be given to flooding risk and potential environmental impacts. Areas to avoid would include the steeper eastern hillsides, particularly those with northern exposures, and any locations within designated natural protection areas or productive agricultural land, as these would present both practical and regulatory challenges to development.Romania solar PV Stats as a country
Romania ranks 39th in the world for cumulative solar PV capacity, with 1,398 total MW's of solar PV installed. This means that 3.40% of Romania's total energy as a country comes from solar PV (that's 24th in the world). Each year Romania is generating 74 Watts from solar PV per capita (Romania ranks 43rd in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in Romania?
Yes, there are incentives for businesses wanting to install solar energy in Romania. The Romanian government offers a number of financial incentives and subsidies for businesses that invest in renewable energy sources such as solar power. These include grants, tax deductions, and other forms of support. Additionally, the government has set up a Renewable Energy Support Scheme (RES) which provides additional funding for projects related to renewable energy sources such as solar power.
Do you have more up to date information than this on incentives towards solar PV projects in Romania? 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: Tuesday 29th of April 2025
Last Updated: Monday 15th of September 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.




