Annual patents filed for renewable energy technologies by country
Data only includes energy source technologies, and excludes technologies such as energy storage or transport. Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.
What the numbers show
Annual patents filed for renewable energy technologies is currently reported for 64 countries. The highest value is 2,649 patents in China; the lowest is 1 patents in Croatia.
The median across all reporting countries is 2.5 patents, and the mean is 55.55 patents.
The gap between the highest and lowest reporting country is a factor of about 2,649.
Over the past decade 6 countries rose and 53 fell. The largest increase was in Saudi Arabia (up 400.0%), and the largest decrease in Singapore (down 99.3%).
Annual patents filed for renewable energy technologies: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | China | 2,649 patents | 2025 | down 79.7% | volatile |
| 2 | United States | 266 patents | 2025 | down 94.2% | volatile |
| 3 | South Korea | 124 patents | 2025 | down 95.4% | volatile |
| 4 | Japan | 97 patents | 2025 | down 96.9% | volatile |
| 5 | Taiwan | 92 patents | 2024 | down 92.2% | volatile |
| 6 | Australia | 60 patents | 2025 | down 80.5% | rising |
| 7 | Russia | 32 patents | 2021 | down 65.6% | volatile |
| 8 | Italy | 23 patents | 2023 | down 70.1% | volatile |
| 9 | Germany | 19 patents | 2025 | down 95.7% | volatile |
| 10 | Mexico | 18 patents | 2025 | down 82.9% | volatile |
| 11 | Israel | 13 patents | 2025 | down 73.5% | volatile |
| 12 | United Kingdom | 12 patents | 2024 | down 91.2% | volatile |
| 13 | Malaysia | 10 patents | 2022 | down 88.9% | volatile |
| 13 | Saudi Arabia | 10 patents | 2023 | up 400.0% | volatile |
| 15 | Turkey | 9 patents | 2021 | up 12.5% | volatile |
| 16 | Peru | 8 patents | 2022 | up 33.3% | volatile |
| 17 | Czechia | 7 patents | 2024 | down 22.2% | volatile |
| 18 | France | 5 patents | 2024 | down 97.0% | volatile |
| 18 | Philippines | 5 patents | 2022 | down 78.3% | volatile |
| 18 | Egypt | 5 patents | 2012 | up 25.0% | volatile |
| 21 | Slovenia | 4 patents | 2021 | down 55.6% | volatile |
| 21 | Norway | 4 patents | 2023 | unchanged | volatile |
| 21 | Lithuania | 4 patents | 2021 | down 33.3% | volatile |
| 21 | South Africa | 4 patents | 2025 | down 92.2% | volatile |
| 21 | Spain | 4 patents | 2025 | down 98.5% | volatile |
| 21 | Poland | 4 patents | 2024 | down 95.4% | volatile |
| 27 | Portugal | 3 patents | 2022 | down 91.7% | volatile |
| 27 | Hong Kong | 3 patents | 2019 | down 90.0% | volatile |
| 27 | Austria | 3 patents | 2024 | down 78.6% | volatile |
| 27 | Luxembourg | 3 patents | 2025 | down 40.0% | volatile |
| 27 | Finland | 3 patents | 2022 | down 72.7% | volatile |
| 27 | Switzerland | 3 patents | 2024 | down 83.3% | volatile |
| 33 | Slovakia | 2 patents | 2024 | down 50.0% | volatile |
| 33 | Romania | 2 patents | 2024 | down 66.7% | volatile |
| 33 | Ukraine | 2 patents | 2020 | down 84.6% | volatile |
| 33 | San Marino | 2 patents | 2020 | down 33.3% | volatile |
| 33 | New Zealand | 2 patents | 2021 | down 83.3% | volatile |
| 33 | Argentina | 2 patents | 2023 | down 66.7% | volatile |
| 33 | Netherlands | 2 patents | 2025 | down 89.5% | volatile |
| 33 | Brazil | 2 patents | 2023 | down 98.5% | volatile |
| 33 | Morocco | 2 patents | 2022 | down 93.5% | volatile |
| 33 | Canada | 2 patents | 2024 | down 99.0% | volatile |
| 33 | Chile | 2 patents | 2025 | down 94.1% | volatile |
| 33 | Cuba | 2 patents | 2022 | up 100.0% | volatile |
| 33 | Ecuador | 2 patents | 2021 | up 100.0% | volatile |
| 33 | Greece | 2 patents | 2023 | down 77.8% | volatile |
| 33 | Belgium | 2 patents | 2024 | unchanged | volatile |
| 33 | Moldova | 2 patents | 2023 | unchanged | rising |
| 33 | Latvia | 2 patents | 2018 | down 33.3% | volatile |
| 50 | Estonia | 1 patents | 2023 | down 75.0% | volatile |
| 50 | Ireland | 1 patents | 2021 | down 50.0% | volatile |
| 50 | Singapore | 1 patents | 2021 | down 99.3% | volatile |
| 50 | Denmark | 1 patents | 2023 | down 97.6% | volatile |
| 50 | Serbia | 1 patents | 2023 | down 50.0% | volatile |
| 50 | Cyprus | 1 patents | 2023 | down 87.5% | volatile |
| 50 | Hungary | 1 patents | 2023 | down 95.7% | volatile |
| 50 | Sweden | 1 patents | 2024 | down 92.3% | volatile |
| 50 | Tunisia | 1 patents | 2022 | down 93.3% | volatile |
| 50 | Costa Rica | 1 patents | 2022 | unchanged | volatile |
| 50 | Colombia | 1 patents | 2025 | unchanged | volatile |
| 50 | Uruguay | 1 patents | 2021 | down 66.7% | falling |
| 50 | Bulgaria | 1 patents | 2024 | down 75.0% | volatile |
| 50 | India | 1 patents | 2022 | down 98.6% | volatile |
| 50 | Croatia | 1 patents | 2023 | down 94.1% | volatile |
About this data
Data only includes energy source technologies, and excludes technologies such as energy storage or transport. Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.