Solar energy generation by region in Thailand
Thailand: Solar energy generation by region was 9.99 terawatt-hours in 2025. ◆ Volatile
Solar energy generation by region in Thailand, 1971–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, solar energy generation by region in Thailand stood at 9.99 terawatt-hours. That is the highest value across all 55 years on record.
Compared with earlier readings it is up 9.7% on the previous year and up 320.1% over ten years.
Over the whole period, solar energy generation by region in Thailand peaked at 9.99 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1971.
That places Thailand 29th out of 79 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Solar energy generation by region in Thailand, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1971 | 0 terawatt-hours | — |
| 1972 | 0 terawatt-hours | — |
| 1973 | 0 terawatt-hours | — |
| 1974 | 0 terawatt-hours | — |
| 1975 | 0 terawatt-hours | — |
| 1976 | 0 terawatt-hours | — |
| 1977 | 0 terawatt-hours | — |
| 1978 | 0 terawatt-hours | — |
| 1979 | 0 terawatt-hours | — |
| 1980 | 0 terawatt-hours | — |
| 1981 | 0 terawatt-hours | — |
| 1982 | 0 terawatt-hours | — |
| 1983 | 0 terawatt-hours | — |
| 1984 | 0 terawatt-hours | — |
| 1985 | 0 terawatt-hours | — |
| 1986 | 0 terawatt-hours | — |
| 1987 | 0 terawatt-hours | — |
| 1988 | 0 terawatt-hours | — |
| 1989 | 0 terawatt-hours | — |
| 1990 | 0 terawatt-hours | — |
| 1991 | 0 terawatt-hours | — |
| 1992 | 0 terawatt-hours | — |
| 1993 | 0 terawatt-hours | — |
| 1994 | 0 terawatt-hours | — |
| 1995 | 0 terawatt-hours | — |
| 1996 | 0 terawatt-hours | — |
| 1997 | 0 terawatt-hours | — |
| 1998 | 0 terawatt-hours | — |
| 1999 | 0 terawatt-hours | — |
| 2000 | 0 terawatt-hours | — |
| 2001 | 0 terawatt-hours | — |
| 2002 | 0 terawatt-hours | — |
| 2003 | 0 terawatt-hours | — |
| 2004 | 0 terawatt-hours | — |
| 2005 | 0 terawatt-hours | — |
| 2006 | 0.0365 terawatt-hours | — |
| 2007 | 0.0388 terawatt-hours | +6.3% |
| 2008 | 0.0389 terawatt-hours | +0.3% |
| 2009 | 0.0444 terawatt-hours | +14.2% |
| 2010 | 0.0583 terawatt-hours | +31.4% |
| 2011 | 0.0944 terawatt-hours | +61.9% |
| 2012 | 0.4985 terawatt-hours | +427.8% |
| 2013 | 1.26 terawatt-hours | +152.3% |
| 2014 | 1.93 terawatt-hours | +53.8% |
| 2015 | 2.38 terawatt-hours | +23.0% |
| 2016 | 3.55 terawatt-hours | +49.4% |
| 2017 | 4.54 terawatt-hours | +27.9% |
| 2018 | 4.54 terawatt-hours | -0.1% |
| 2019 | 5.15 terawatt-hours | +13.4% |
| 2020 | 5.03 terawatt-hours | -2.2% |
| 2021 | 5.01 terawatt-hours | -0.3% |
| 2022 | 5.15 terawatt-hours | +2.7% |
| 2023 | 5.44 terawatt-hours | +5.5% |
| 2024 | 9.11 terawatt-hours | +67.5% |
| 2025 | 9.99 terawatt-hours | +9.7% |
Thailand compared with similar countries
- Thailand's 9.99 terawatt-hours is above the median for upper middle income countries, which is 3.73 terawatt-hours, 2.7× the median. (24 countries reporting)
- Thailand's 9.99 terawatt-hours is above the median for East Asia & Pacific, which is 8.31 terawatt-hours, 1.2× the median. (12 countries reporting)
Biggest year-on-year movements
Years where Solar energy generation by region in Thailand changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2012 | +427.8% | 0.0944 terawatt-hours | 0.4985 terawatt-hours |
| 2013 | +152.3% | 0.4985 terawatt-hours | 1.26 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 9 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 2000s | 0.0159 terawatt-hours | 0 terawatt-hours | 0.0444 terawatt-hours | 10 |
| 2010s | 2.4 terawatt-hours | 0.0583 terawatt-hours | 5.15 terawatt-hours | 10 |
| 2020s | 6.62 terawatt-hours | 5.01 terawatt-hours | 9.99 terawatt-hours | 6 |
Countries ranked near Thailand
More energy & mining data for Thailand
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -3.18 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 16.9% (2024)
Frequently asked questions
- What is solar energy generation by region in Thailand?
- Solar energy generation by region in Thailand was 9.99 terawatt-hours in 2025, according to Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest solar energy generation by region recorded in Thailand?
- The highest recorded value was 9.99 terawatt-hours in 2025.
- What is the lowest solar energy generation by region recorded in Thailand?
- The lowest recorded value was 0 terawatt-hours in 1971.
- How does Thailand rank for solar energy generation by region?
- Thailand ranks 29th out of 79 countries with data for 2025.
- Is solar energy generation by region rising or falling in Thailand?
- Over the last ten years it is up 320.1%. The long-run trend across the full record is volatile.
- Where does this Thailand data come from?
- The figures come from Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Solar energy generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 55 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.