Puyang Chengguanzhen, Henan, China, located in the Northern Temperate Zone, presents a moderately favorable environment for solar energy production throughout the year. This location experiences significant seasonal variations in solar energy output, which impacts the overall efficiency of solar PV installations.
Seasonal Solar Energy Production
The solar energy production at this location varies considerably across seasons: - Summer: 5.28 kWh/day - Spring: 5.20 kWh/day - Autumn: 3.36 kWh/day - Winter: 3.08 kWh/day Summer and spring offer the most robust solar energy generation, with output levels nearly double those of autumn and winter. This stark contrast highlights the importance of considering seasonal variations when planning solar installations in Puyang Chengguanzhen.
Optimal Panel Installation
To maximize year-round solar energy production, fixed solar panels should be installed at a tilt angle of 32 degrees facing south. This angle has been calculated to optimize energy capture across all seasons, taking into account the location's latitude and the Earth's elliptical orbit.
Environmental and Weather Considerations
While Puyang Chengguanzhen generally offers favorable conditions for solar energy production, there are some environmental factors to consider: 1. Air pollution: The region may experience periods of high air pollution, which can reduce solar panel efficiency. Regular cleaning and maintenance of panels can help mitigate this issue. 2. Seasonal weather patterns: The area experiences a monsoon-influenced climate with hot, humid summers and cold, dry winters. Heavy rainfall during the summer monsoon season may temporarily reduce solar output, while dust accumulation during dry winters can affect panel efficiency if not addressed.
Preventative Measures
To ensure optimal solar energy production in Puyang Chengguanzhen, Henan, consider implementing the following measures: 1. Install a robust cleaning system or schedule regular manual cleaning to combat dust and pollution buildup. 2. Use high-quality, weather-resistant solar panels that can withstand the region's climate variations. 3. Implement a monitoring system to track performance and quickly identify any issues affecting energy production. 4. Consider using solar tracking systems to maximize energy capture, especially during the less productive autumn and winter months.
By addressing these factors and implementing appropriate preventative measures, solar PV installations in Puyang Chengguanzhen can achieve more consistent and efficient energy production throughout the year.
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 Puyang Chengguanzhen
Seasonal solar PV output for Latitude: 35.7065, Longitude: 114.9932 (Puyang Chengguanzhen, 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 Puyang Chengguanzhen, China
To maximize your solar PV system's energy output in Puyang Chengguanzhen, China (Lat/Long 35.7065, 114.9932) 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 Puyang Chengguanzhen, 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 Puyang Chengguanzhen, 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 |
|---|---|---|---|
| 19° South in Summer | 41° South in Autumn | 51° South in Winter | 28° 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 Puyang Chengguanzhen, 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 Puyang Chengguanzhen, 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 Puyang Chengguanzhen, China
The topography around Puyang Chengguanzhen, China, is characterized by its predominantly flat landscape. This area is situated in the North China Plain, a vast expanse of low-lying terrain that stretches across much of eastern China. The region surrounding Puyang Chengguanzhen features gently rolling hills and expansive agricultural fields, with elevations typically ranging from 50 to 100 meters above sea level. The area's terrain is largely shaped by the Yellow River, which flows to the north of Puyang Chengguanzhen. Over millennia, the river has deposited rich alluvial soil across the plain, creating fertile land ideal for agriculture. This flat, open landscape is punctuated by scattered villages, small towns, and a network of irrigation canals that crisscross the countryside.
Suitability for Large-Scale Solar PV
The topography of the region surrounding Puyang Chengguanzhen presents several advantages for large-scale solar photovoltaic (PV) installations. The flat terrain offers ample space for deploying extensive arrays of solar panels without the need for significant land preparation or grading. This characteristic reduces construction costs and simplifies the installation process. Areas to the south and southeast of Puyang Chengguanzhen would be particularly well-suited for large-scale solar PV projects. These locations benefit from slightly higher elevations and fewer obstructions, allowing for maximum exposure to sunlight throughout the day. The gently rolling hills in these areas can also be advantageous, as south-facing slopes can be utilized to optimize the angle of solar panels for increased efficiency. Moreover, the agricultural nature of the surrounding landscape provides opportunities for dual-use solar installations, where solar panels can be integrated with existing farmland. This approach, known as agrivoltaics, allows for simultaneous energy production and crop cultivation, maximizing land use efficiency. It's worth noting that while the entire region around Puyang Chengguanzhen has potential for solar PV development, site-specific assessments would be necessary to determine the most optimal locations. Factors such as proximity to existing power infrastructure, local weather patterns, and environmental considerations would need to be taken into account when selecting specific sites for large-scale solar projects in this area.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!
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 3rd of January 2025
Last Updated: Monday 21st of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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.




