Chaoyang, Liaoning, China, located in the Northern Temperate Zone at coordinates 41.5715, 120.4637, offers variable but promising conditions for solar PV energy generation throughout the year. This location experiences significant seasonal fluctuations in solar energy production, which is important to consider when planning solar installations.

Seasonal Solar Production

Solar panels in Chaoyang produce their highest outputs during spring and summer. In spring, panels generate an impressive 5.64 kWh per day for each kilowatt of installed capacity, while summer yields 5.36 kWh/day. Production decreases considerably during autumn to 3.51 kWh/day, with winter showing the lowest output at 2.98 kWh/day per kilowatt installed.

The substantial difference between the highest and lowest seasons (spring and winter) indicates that Chaoyang experiences pronounced seasonal variations in solar potential. This pattern is typical for locations in the Northern Temperate Zone, where the sun's angle and intensity change significantly throughout the year.

Optimal Panel Installation

For fixed solar panel installations in Chaoyang, Liaoning, the ideal tilt angle to maximize year-round energy production is 38 degrees facing South. This specific angle has been calculated by analyzing solar elevation patterns at this latitude and weighting them according to the location's solar potential throughout the year.

Environmental and Weather Considerations

Several factors could potentially impact solar production in Chaoyang:

• Dust and air pollution: Chaoyang's location in northeastern China means it may experience dust storms from the Gobi Desert and industrial pollution, which can reduce panel efficiency by blocking sunlight.
• Snow accumulation: Winter snowfall can cover panels and halt production until the snow melts or is removed.
• Temperature extremes: The region experiences cold winters that can actually benefit panel efficiency (solar panels work more efficiently in cooler temperatures), but very hot summer days might slightly reduce efficiency.

Preventative Measures

To maximize solar energy production in Chaoyang, Liaoning, consider implementing these measures:

• Install panels with a self-cleaning surface or implement regular cleaning schedules to address dust and pollution buildup.
• Consider mounting panels at a steeper angle than the optimal 38 degrees if winter snow accumulation is a major concern, as this helps snow slide off more easily.
• Ensure adequate spacing between panel rows to prevent shading, especially during winter when the sun is lower in the sky.
• Use high-quality inverters and panels rated to perform well in temperature extremes typical for the region.
• Consider a tracking system instead of fixed panels if budget allows, as this could increase annual energy yield by following the sun throughout the day.

With proper installation and maintenance, Chaoyang offers good potential for solar energy generation, particularly during the spring and summer months when production is at its peak.

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 Chaoyang

Seasonal solar PV output for Latitude: 41.5715, Longitude: 120.4637 (Chaoyang, 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 38° South in Chaoyang, China

To maximize your solar PV system's energy output in Chaoyang, China (Lat/Long 41.5715, 120.4637) throughout the year, you should tilt your panels at an angle of 38° 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 Chaoyang, 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 Chaoyang, China. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 38° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
25° South in Summer	46° South in Autumn	56° South in Winter	34° 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 Chaoyang, 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 Chaoyang, China.

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 Chaoyang, China

The topography surrounding Chaoyang, located in Liaoning Province in northeastern China, presents a diverse landscape characterized by rolling hills, plains, and river valleys. Situated on the western edge of Liaoning, the terrain gradually transitions from the relatively flat central plains to more elevated areas as one moves toward the north and west. The city itself sits at a moderate elevation of approximately 200-300 meters above sea level.

Regional Landscape Features

The broader region around Chaoyang exhibits a varied terrain. To the north and northwest, the landscape becomes increasingly hilly as it approaches the southeastern extensions of the Inner Mongolian plateau. These areas feature numerous low mountains and hills with gentle slopes, typically ranging from 400 to 800 meters in elevation. The southern and eastern portions of the region generally consist of more level terrain, with wide valleys and plains that form part of the Liaohe River basin. Several river systems traverse the area, with the Daling River being one of the most significant waterways flowing through the region. These rivers have carved shallow valleys through the landscape over millennia, creating natural corridors and fertile agricultural lands along their banks.

Soil and Surface Conditions

The soil composition in the Chaoyang area varies considerably, with loess-like sediments being common across much of the region. These soils, formed from wind-deposited materials, tend to be relatively fertile but can be prone to erosion on steeper slopes. In the flatter areas, particularly in river valleys, alluvial soils predominate, offering excellent agricultural potential. The region experiences a continental monsoon climate with distinct seasons, including relatively dry, sunny conditions for significant portions of the year. This climate pattern has influenced the natural vegetation, which historically consisted of temperate grasslands and scattered forests, though much of the native vegetation has been altered by centuries of agricultural activity.

Solar PV Potential Areas

For large-scale solar photovoltaic development, several nearby areas present favorable conditions. The gently sloping hillsides and plateaus to the north and northwest of Chaoyang offer particularly promising locations. These areas combine several advantageous factors: they receive substantial solar radiation, feature terrain that's neither too steep nor completely flat (allowing for optimal panel orientation), and often consist of land less suitable for intensive agriculture. Specifically, the transitional zones between the plains and the higher elevations of the Inner Mongolian plateau provide excellent opportunities. These areas typically have sufficient elevation to avoid frequent fog or haze that might affect lower-lying regions, while still being accessible for infrastructure development. The more level expanses to the south and southeast of Chaoyang could also accommodate large solar installations, particularly in locations where soil quality or water availability limits agricultural productivity. These areas offer the advantage of easier construction and maintenance access, though they may require more extensive land area due to the completely flat terrain. Areas to potentially avoid include the fertile river valleys, which represent valuable agricultural resources, and any steeply sloped terrain where installation would be technically challenging and potentially damaging to soil stability. Additionally, locations immediately adjacent to urban centers or major transportation corridors might face land-use conflicts, though proximity to existing electrical infrastructure remains an important consideration for solar development.

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

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.