Ungheni, Moldova, situated at coordinates 47.2061, 27.7907 in the Northern Temperate Zone, offers varying potential for solar PV energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production that potential solar installers should consider.

Seasonal Solar Production

Solar energy generation at this location shows strong seasonal patterns. Summer stands out as the most productive season, with panels capable of generating 6.29kWh per day for each kilowatt installed. Spring follows as the second most productive season, yielding 4.58kWh/day per kW installed.

Production drops considerably during autumn, with output falling to 2.99kWh/day per kW. Winter presents the greatest challenge, with production plummeting to just 1.34kWh/day per kW installed, less than a quarter of summer production.

Installation Considerations

For fixed panel installations in Ungheni, the ideal tilt angle is 40 degrees facing South. This specific angle has been calculated to maximize total year-round energy production based on the location's latitude and seasonal solar patterns.

The substantial difference between summer and winter production indicates that Ungheni represents a moderately challenging location for year-round solar dependency. While summer months can provide abundant energy, winter production is minimal, suggesting the need for supplementary energy sources or storage solutions during colder months.

Environmental and Weather Factors

Several environmental factors could impact solar production in Ungheni. The continental climate of Moldova brings cold winters with potential snow accumulation, which can cover panels and reduce efficiency. Preventative measures include installing panels at the recommended 40-degree tilt, which helps snow slide off more easily, and implementing snow removal protocols during winter months.

Dust and agricultural particulate matter in this largely rural region may accumulate on panels, gradually reducing efficiency. Regular cleaning maintenance, particularly in spring after winter and during dry summer periods, can help maintain optimal performance.

Occasional fog and overcast conditions, particularly in autumn and winter, further contribute to the reduced production during these seasons. While unavoidable, these impacts can be partially mitigated by ensuring panels are optimally positioned and kept clean to maximize production during clearer periods.

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 9 locations across Moldova. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Moldova by location

Solar output per kW of installed solar PV by season in Ungheni

Seasonal solar PV output for Latitude: 47.2061, Longitude: 27.7907 (Ungheni, Moldova), 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 40° South in Ungheni, Moldova

To maximize your solar PV system's energy output in Ungheni, Moldova (Lat/Long 47.2061, 27.7907) throughout the year, you should tilt your panels at an angle of 40° 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 Ungheni, Moldova

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 Ungheni, Moldova. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 40° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
31° South in Summer	51° South in Autumn	61° South in Winter	39° 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 Ungheni, Moldova

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 Ungheni, Moldova.

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 Ungheni, Moldova

The landscape surrounding Ungheni, Moldova presents a diverse topography that reflects the transitional nature of this region between the Moldavian Plateau and the Prut River valley. Situated at approximately 47.2061° North latitude and 27.7907° East longitude, Ungheni occupies a strategic position on Moldova's western border with Romania, with the Prut River serving as the natural boundary between the two countries. The terrain around Ungheni is characterized by gently rolling hills interspersed with river valleys and plateaus. The elevation gradually increases as one moves eastward from the Prut River, which flows through a relatively flat alluvial plain. This plain, formed by centuries of sediment deposition, creates a narrow band of fertile lowlands along the river's course. The Prut River valley itself sits at approximately 40-50 meters above sea level, while the surrounding hills reach elevations of 150-200 meters.

Distinctive Topographical Features

The region exhibits a classic example of erosional landforms typical of the Moldavian Plateau. Water erosion has carved numerous small valleys and ravines throughout the landscape, creating a network of natural drainage systems that feed into the Prut and its tributaries. These valleys typically run in an east-west direction, following the natural slope of the land toward the Prut River. The hills around Ungheni display gentle to moderate slopes, typically ranging from 5-15 degrees, though steeper sections can be found in areas with more pronounced erosion. The hilltops tend to be rounded rather than sharp, reflecting their sedimentary origin and long exposure to weathering processes. Soil composition in the region consists predominantly of chernozem (black earth), known for its fertility and agricultural potential. This rich soil supports extensive agricultural activity throughout the region, with croplands and orchards dominating much of the landscape outside urban areas.

Solar Potential Areas

For large-scale solar photovoltaic installations, several areas around Ungheni offer particularly favorable conditions based on topographical considerations alone. The most suitable locations would be the south-facing slopes of hills located to the north and northeast of Ungheni. These areas benefit from optimal solar exposure throughout the day while being elevated enough to avoid morning and evening shadowing effects from adjacent terrain features. The moderate inclination of these slopes (approximately 5-10 degrees) provides a natural tilt that can enhance solar panel efficiency without requiring extensive terrain modification. The plateaus and broader hilltops in the region also present excellent opportunities for solar development. These relatively flat elevated areas, particularly those located east of Ungheni, offer substantial continuous spaces that could accommodate large arrays of solar panels. Their elevation reduces the risk of seasonal flooding while providing unobstructed exposure to sunlight. Areas to avoid would include the immediate Prut River floodplain, which faces occasional flooding risks, and the steeper ravines and valleys that experience significant shadowing during parts of the day. Northern slopes would also be less optimal due to reduced direct sunlight exposure. The agricultural value of the land represents an important consideration when identifying potential solar development sites. Given the exceptional fertility of the chernozem soils, priority for solar installations might best be given to marginal agricultural lands or areas with poorer soil quality, which can be found on some of the higher elevation sections where erosion has reduced soil depth and fertility. Road access represents another practical consideration for solar development. The existing transportation infrastructure radiating from Ungheni provides reasonable access to many of the topographically favorable areas, particularly along the main roads that connect to surrounding communities and the broader national highway network.

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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.