Solar Energy Generation in Zaozhuang, Shandong, China
Zaozhuang, Shandong, located in China's northern subtropical region at coordinates 34.8644, 117.5527, offers reasonably favorable conditions for solar PV energy production throughout the year. The city experiences varying solar energy generation potential across different seasons, making it a generally suitable location for solar installations. The seasonal solar energy production in Zaozhuang shows significant variations. Summer stands out as the most productive period, generating an average of 5.11kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind with 5.01kWh/day per kW. There's a noticeable drop in production during autumn (3.61kWh/day) and winter (3.16kWh/day), when the solar radiation decreases substantially.Optimal Installation Parameters
For fixed solar panel installations in Zaozhuang, Shandong, the ideal tilt angle to maximize year-round energy production is 32 degrees facing South. This specific angle has been calculated to optimize solar capture throughout the year, accounting for the city's particular latitude and seasonal solar patterns.Environmental and Weather Considerations
Several environmental factors in Zaozhuang can potentially impact solar energy production. The region experiences monsoon-influenced weather with significant seasonal variations that should be considered when planning solar installations. Air pollution and dust accumulation represent notable challenges in this industrial region of China. Zaozhuang's coal mining history and ongoing industrial activities contribute to particulate matter in the air that can settle on panels and reduce efficiency. Regular cleaning systems should be incorporated into any installation plan, with automated cleaning mechanisms being particularly valuable during drier periods. The area also experiences a distinct rainy season, primarily in summer, which can temporarily reduce solar output but helps naturally clean the panels. Installing panels at the recommended 32-degree angle also promotes self-cleaning during rainfall events. Winter brings occasional snow and frost, which can completely block panels if allowed to accumulate. Snow shedding can be facilitated by maintaining the recommended tilt angle, but supplementary heating elements might be necessary in some installations to prevent extended production losses during cold spells. Implementing these preventative measures—regular cleaning protocols, proper tilt angles, and potentially heating elements for winter—can significantly improve the consistency and quantity of solar energy production in Zaozhuang throughout the year.Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.
So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 319 locations across China. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in China by location
Solar output per kW of installed solar PV by season in Zaozhuang
Seasonal solar PV output for Latitude: 34.8644, Longitude: 117.5527 (Zaozhuang, China), 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 32° South in Zaozhuang, China
To maximize your solar PV system's energy output in Zaozhuang, China (Lat/Long 34.8644, 117.5527) throughout the year, you should tilt your panels at an angle of 32° 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 Zaozhuang, China
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 Zaozhuang, China. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 32° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 18° South in Summer | 40° South in Autumn | 50° South in Winter | 27° 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 Zaozhuang, China
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 Zaozhuang, China.
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 Zaozhuang, China
The topography surrounding Zaozhuang, situated in southern Shandong Province of China, presents a diverse landscape characterized by a transition between the North China Plain and more elevated terrain. This region features a mixture of gently rolling hills, shallow valleys, and flat plains, with elevations generally ranging from 30 to 200 meters above sea level. The area is part of the broader geographic transition zone where the North China Plain begins to give way to the more mountainous regions of central China.
Landscape Features
Zaozhuang's terrain is predominantly composed of low hills and flatlands, with scattered elevated areas particularly to the east and southeast. The western portions of the region tend to be flatter, forming part of the extensive North China Plain. Several small rivers and streams cross the landscape, creating shallow valleys and contributing to the region's agricultural productivity. The soil composition is primarily loess-based, which has been deposited over millennia by wind from the northern deserts. The city itself sits in a relatively flat basin surrounded by modest hills, with more pronounced elevation changes occurring as one moves toward the provincial borders. The Tai'an Mountains lie to the northeast, while more substantial mountain ranges can be found further to the south in neighboring provinces.Solar PV Suitability
For large-scale solar photovoltaic installations, the western and southwestern areas surrounding Zaozhuang offer particularly favorable conditions. These regions feature extensive flat or gently sloping terrain that would minimize installation costs and complexity. The relatively open landscapes with limited tall vegetation provide minimal natural shading, which is advantageous for solar energy collection. The slightly elevated plateaus to the southwest of the city present especially promising locations for solar farms. These areas combine favorable topographical characteristics (flat, stable ground) with good exposure to sunlight. The modest hills in this region are generally low enough not to create significant shading issues while potentially providing some protection from strong winds. Areas to avoid would include the more rugged terrain to the east and southeast, where installation would be more challenging and costly. Similarly, the fertile agricultural valleys along the waterways would represent a trade-off between energy production and agricultural productivity. The relatively sparse population density in certain peripheral districts of Zaozhuang's administrative area creates opportunities for large-scale installations without significant displacement of residential or intensive agricultural activities. These areas often feature degraded lands from previous mining operations that could be repurposed for solar energy generation, providing both environmental remediation and renewable energy production. In conclusion, the predominantly flat to gently rolling landscape surrounding Zaozhuang, particularly in its western and southwestern periphery, offers substantial potential for large-scale solar PV development, with topographical characteristics that would support efficient installation and operation of solar facilities.China solar PV Stats as a country
China ranks 1st in the world for cumulative solar PV capacity, with 306,973 total MW's of solar PV installed. This means that 6.20% of China's total energy as a country comes from solar PV (that's 13th in the world). Each year China is generating 217 Watts from solar PV per capita (China ranks 24th in the world for solar PV Watts generated per capita). [source]
Are there incentives for businesses to install solar in China?
Yes, there are several incentives for businesses wanting to install solar energy in China. These include subsidies from the Chinese government, preferential tax policies, and access to low-interest loans. Additionally, businesses may be eligible for renewable energy certificates (RECs) which can be sold on the open market for additional income.
Do you have more up to date information than this on incentives towards solar PV projects in China? Please reach out to us and help us keep this information current. Thanks!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 2nd of June 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.
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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.




