Solar Energy Potential in Shiyan, Hubei, China

Shiyan, Hubei, located in the northern sub-tropics of China at coordinates 32.654, 110.7742, offers generally favorable conditions for solar PV energy generation throughout the year. The seasonal solar production varies significantly, with summer being the most productive period. The seasonal breakdown of electricity generation shows a clear pattern. During summer, solar panels can produce an impressive 4.67 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.28 kWh/day. Autumn sees a noticeable drop to 3.32 kWh/day, while winter represents the lowest production period with 3.01 kWh/day. For maximum year-round energy production at this location, fixed solar panels should be installed at a tilt angle of 29 degrees facing South. This optimal angle has been calculated by analyzing solar elevation patterns at this specific latitude, weighted by the potential daily PV production.

Environmental and Weather Considerations

Several environmental factors could potentially impact solar production in Shiyan:

• Seasonal monsoon rains, particularly during summer, may reduce solar efficiency despite this being the period with highest potential output
• Air pollution from nearby industrial areas could deposit particulate matter on panels, reducing their effectiveness
• Winter fog and haze common in this part of China can significantly diminish solar radiation reaching panels
• Occasional dust storms from northern China might affect panel cleanliness and performance

To mitigate these challenges, several preventative measures can be implemented. Regular cleaning schedules should be established, particularly before and after monsoon season and during periods of increased air pollution. Installing panels at the recommended 29-degree angle not only optimizes production but also facilitates natural cleaning during rainfall. Additionally, using quality inverters with anti-soiling monitoring capabilities can help identify when cleaning is needed, while high-quality glass coatings on panels can reduce dust accumulation and make cleaning more effective. The spring and summer months from April through August represent the ideal period for solar generation in Shiyan, Hubei, when daily production consistently exceeds 4 kWh per kilowatt installed. This makes the location particularly suitable for applications that require higher energy during these warmer months.

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 Shiyan

Seasonal solar PV output for Latitude: 32.654, Longitude: 110.7742 (Shiyan, 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 29° South in Shiyan, China

To maximize your solar PV system's energy output in Shiyan, China (Lat/Long 32.654, 110.7742) throughout the year, you should tilt your panels at an angle of 29° 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 Shiyan, 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 Shiyan, China. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
16° South in Summer	38° South in Autumn	48° South in Winter	25° 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 Shiyan, 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 Shiyan, 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 Shiyan, China

The landscape surrounding Shiyan, a city in Hubei Province, China, is characterized by dramatic topographical features that define both its natural beauty and its potential for renewable energy development. Shiyan sits within the northern reaches of the Wudang Mountains, a historic mountain range known for its cultural significance and diverse terrain. The region presents a complex topographical profile with significant elevation changes. The city itself nestles in a basin area surrounded by mountains, with elevations ranging from approximately 200 meters in valley floors to peaks exceeding 1,000 meters above sea level. This mountainous terrain creates a distinctive landscape of ridges, valleys, and plateaus that extend throughout the region.

Mountain and Valley Systems

The Wudang Mountains dominate the landscape, creating a series of parallel ridges running roughly northeast to southwest. These mountains feature rounded peaks and steep slopes in many areas, with numerous valleys carved by rivers and streams over millennia. The Han River, a major tributary of the Yangtze, flows through the broader region, with its watershed influencing the local topography through numerous smaller tributaries. Valleys between mountain ridges often contain terraced agricultural land, while higher elevations support forests and more rugged terrain. These elevation differences create microclimates throughout the region, with sunlight exposure varying significantly between south-facing and north-facing slopes.

Solar PV Potential Areas

For large-scale solar photovoltaic development, several topographical factors must be considered. The most promising areas near Shiyan would be: South-facing slopes at moderate elevations present excellent opportunities for solar installations. These areas benefit from reduced fog and cloud cover compared to valley floors, while maintaining good sun exposure throughout the day. The slopes between 300-700 meters elevation on the southern aspects of mountains north of Shiyan would be particularly suitable. Plateau regions to the southeast of Shiyan offer relatively flat terrain at higher elevations. These areas combine the advantages of consistent sunlight exposure with easier construction conditions than steep mountainsides. Several such plateaus exist within 30-50 kilometers of the city. Valley floors, particularly wider ones with minimal shadowing from surrounding mountains, could support substantial solar installations. The broader valleys extending eastward from Shiyan provide sufficient space for large arrays while offering proximity to existing transmission infrastructure.

Topographical Challenges

The mountainous nature of the region does present certain challenges for solar development. Many areas have slopes exceeding 15-20 degrees, which increases construction complexity and cost. Careful site selection is necessary to balance optimal sun exposure with practical construction considerations. Seasonal weather patterns interact with the topography to create localized climate effects. Valley areas may experience more frequent fog and mist in certain seasons, potentially reducing solar efficiency. Higher elevation sites generally experience clearer atmospheric conditions but may face more challenging access issues. The complex terrain also affects land availability, with many suitable south-facing slopes already supporting agricultural terraces or forest cover. The most promising areas for solar development would balance topographical suitability with minimal disruption to existing land uses and ecosystems. In conclusion, while Shiyan's mountainous topography presents some challenges for solar development, it also creates numerous opportunities for optimally positioned installations that could take advantage of the varied terrain to maximize energy capture throughout the day and across seasons.

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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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.