Solar PV Analysis of Yuncheng, China
Yuncheng, Shanxi, China, situated in the Northern Temperate Zone, presents a relatively favorable location for solar PV energy generation throughout the year. The city's geographical coordinates (35.0195° N, 110.9848° E) contribute to its potential for harnessing solar power, albeit with seasonal variations.
Seasonal Solar Performance
Solar energy production in Yuncheng fluctuates across the four seasons. Summer stands out as the most productive period, with an average daily output of 5.72 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.31 kWh/day. Autumn and winter see a notable decrease in production, with 3.48 kWh/day and 3.30 kWh/day, respectively.
Optimal Times for Solar Generation
The most ideal times for solar energy production in Yuncheng are during the summer months, typically from June to August, when daylight hours are longest and solar radiation is most intense. Spring, particularly from March to May, also offers excellent conditions for solar power generation. While autumn and winter experience reduced output, they still contribute significantly to the overall annual energy production.
Panel Installation Considerations
For fixed panel installations in Yuncheng, Shanxi, the optimal tilt angle to maximize year-round solar production is 31 degrees facing South. This angle takes into account the city's latitude and seasonal variations in solar elevation, ensuring the panels capture the maximum amount of sunlight throughout the year.
Environmental and Weather Factors
While Yuncheng generally offers favorable conditions for solar energy production, there are some environmental factors to consider:
- Air pollution: Yuncheng, Shanxi, like many Chinese cities, can experience high levels of air pollution, which may reduce solar panel efficiency.
- Dust and sandstorms: The city's proximity to arid regions can lead to dust accumulation on panels, potentially decreasing their effectiveness.
Preventative Measures
To mitigate these challenges and ensure optimal solar energy production, several preventative measures can be implemented:
- Regular cleaning: Establish a routine cleaning schedule for solar panels to remove dust and pollutants.
- Anti-soiling coatings: Apply specialized coatings to panel surfaces to reduce dust accumulation and make cleaning easier.
- Air quality monitoring: Install air quality sensors to track pollution levels and adjust cleaning frequency accordingly.
- Robust mounting systems: Use sturdy mounting structures to protect panels from potential damage during sandstorms or strong winds.
By implementing these measures, solar installations in Yuncheng can maximize their energy production potential and overcome local environmental challenges.
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 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 Yuncheng
Seasonal solar PV output for Latitude: 35.0195, Longitude: 110.9848 (Yuncheng, 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 31° South in Yuncheng, China
To maximize your solar PV system's energy output in Yuncheng, China (Lat/Long 35.0195, 110.9848) throughout the year, you should tilt your panels at an angle of 31° 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 Yuncheng, 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 Yuncheng, China. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 19° South in Summer | 41° 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 Yuncheng, 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 Yuncheng, 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 Yuncheng, China
The topography around Yuncheng, China is characterized by a diverse landscape that includes both flat plains and hilly regions. Yuncheng is situated in the southwestern part of Shanxi Province, nestled in a basin surrounded by mountains on three sides. To the west and northwest, you'll find the Zhongtiao Mountains, which form a natural barrier between Shanxi and neighboring Shaanxi Province. These mountains are not particularly high but provide a rugged backdrop to the city.
To the east and northeast of Yuncheng, the terrain gradually transitions into the expansive North China Plain. This area is predominantly flat, with fertile soil that has been cultivated for agriculture for centuries. The southern part of the region is marked by the presence of the Yellow River, which forms part of the border between Shanxi and Henan provinces.
One of the most notable topographical features near Yuncheng is the Salt Lake, also known as Yuncheng Lake. This shallow, saline lake lies to the northwest of the city and is an important source of salt production.
When considering areas nearby that would be most suited to large-scale solar PV (photovoltaic) installations, the flat plains to the east and northeast of Yuncheng offer the most promising locations. These areas have several advantages for solar energy production:
- Ample flat land: The expansive plains provide large, unobstructed areas for solar panel arrays.
- Good solar exposure: The relatively flat terrain means fewer natural obstacles that could cast shadows on solar panels.
- Accessibility: The flatter areas are generally easier to access for construction and maintenance of solar facilities.
- Lower agricultural value: While much of the plain is used for farming, there may be less productive areas that could be repurposed for solar energy without significantly impacting food production.
It's worth noting that while the mountainous areas to the west might receive good sunlight, the uneven terrain and potential shading from peaks make them less ideal for large-scale solar installations. Additionally, the area around the Salt Lake, while flat, may not be suitable due to the corrosive effects of salt on equipment and the potential environmental sensitivity of the lake ecosystem.
Any large-scale solar PV project would require detailed site-specific assessments, including studies of local climate conditions, grid connectivity, and environmental impact before proceeding.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 5th of August 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
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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.
