Solar Water Heaters: China vs World 2025 (Latest Data & Historical Trends)
Solar water heater capacity comparison. China has 70%+ of global capacity.
Quick Answer
China had 380 GWth of solar water heaters in 2025, 75.2% of global capacity. From 58.6% in 2010, China dominates solar thermal. China has three-quarters of world's solar water heaters. Data from IEA covers 2010-2025.
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Data table
Data table
Showing all 4 observations from 2010 to 2025.
| Period | China | World total | World minus china | China share |
|---|---|---|---|---|
| 2010 | 85 | 145 | 60 | 58.6 |
| 2015 | 280 | 380 | 100 | 73.7 |
| 2020 | 345 | 465 | 120 | 74.2 |
| 2025 | 380 | 505 | 125 | 75.2 |
About This Dataset
Solar water heater capacity comparison. China has 70%+ of global capacity.
The latest row (2025) reports China: 380 GWth and world total: 505 GWth. The dataset spans 4 data points from 2010 to 2025, updated yearly.
API
curl https://chinadata.live/api/v2/data/solar-water-heaters-china-vs-world 📚 How to Cite This Data
Citation Format:
China Data Portal (2026). Solar Water Heaters: China vs World. Retrieved from https://chinadata.live/data/solar-water-heaters-china-vs-world/
Primary Source:
IEA
Data as of:
2025
API Access:
GET https://chinadata.live/api/v2/data/solar-water-heaters-china-vs-world Frequently Asked Questions
What does the Solar Water Heaters: China vs World dataset report for 2025?
The latest row (2025) reports China: 380 GWth and world total: 505 GWth. This dataset includes 4 data points covering 2010 to 2025.
Where does Solar Water Heaters: China vs World data come from?
Solar Water Heaters: China vs World data is sourced from IEA and structured by China Data Portal for charting, CSV download, and API access.
Where can I download Solar Water Heaters: China vs World data?
You can download Solar Water Heaters: China vs World data from China Data Portal via our free API at https://chinadata.live/api/v2/data/solar-water-heaters-china-vs-world. Data is available in JSON and CSV formats.
What is the data range for Solar Water Heaters: China vs World?
The Solar Water Heaters: China vs World dataset covers 2010 to 2025, with 4 data points. Data source: IEA.