Installed solar energy capacity in Thailand
Thailand: Installed solar energy capacity was 6.84 gigawatts in 2025. ◆ Volatile
Installed solar energy capacity in Thailand, 2006–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in gigawatts.
Analysis
The most recent figure for installed solar energy capacity in Thailand is 6.84 gigawatts, measured in 2025. That is the highest value across all 20 years on record.
That represents a change of up 102.0% on the previous year and up 380.3% over ten years.
Over the whole period, installed solar energy capacity in Thailand peaked at 6.84 gigawatts in 2025 and was at its lowest, 0.0304 gigawatts, in 2006.
Thailand ranks 30th of 218 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Installed solar energy capacity in Thailand, year by year
| Year | gigawatts | Change |
|---|---|---|
| 2006 | 0.0304 gigawatts | — |
| 2007 | 0.0323 gigawatts | +6.1% |
| 2008 | 0.0323 gigawatts | +0.3% |
| 2009 | 0.037 gigawatts | +14.4% |
| 2010 | 0.0486 gigawatts | +31.4% |
| 2011 | 0.0787 gigawatts | +61.9% |
| 2012 | 0.3817 gigawatts | +385.0% |
| 2013 | 0.8285 gigawatts | +117.1% |
| 2014 | 1.3 gigawatts | +57.3% |
| 2015 | 1.42 gigawatts | +9.3% |
| 2016 | 2.45 gigawatts | +72.1% |
| 2017 | 2.7 gigawatts | +10.3% |
| 2018 | 2.97 gigawatts | +9.8% |
| 2019 | 2.99 gigawatts | +0.7% |
| 2020 | 2.98 gigawatts | -0.1% |
| 2021 | 3.07 gigawatts | +2.7% |
| 2022 | 3.19 gigawatts | +3.9% |
| 2023 | 3.3 gigawatts | +3.6% |
| 2024 | 3.39 gigawatts | +2.7% |
| 2025 | 6.84 gigawatts | +102.0% |
Thailand compared with similar countries
- Thailand's 6.84 gigawatts is above the median for upper middle income countries, which is 0.3169 gigawatts, 21.6× the median. (57 countries reporting)
- Thailand's 6.84 gigawatts is above the median for East Asia & Pacific, which is 0.1563 gigawatts, 43.8× the median. (35 countries reporting)
Biggest year-on-year movements
Years where Installed solar energy capacity 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 | +385.0% | 0.0787 gigawatts | 0.3817 gigawatts |
| 2013 | +117.1% | 0.3817 gigawatts | 0.8285 gigawatts |
| 2025 | +102.0% | 3.39 gigawatts | 6.84 gigawatts |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.033 gigawatts | 0.0304 gigawatts | 0.037 gigawatts | 4 |
| 2010s | 1.52 gigawatts | 0.0486 gigawatts | 2.99 gigawatts | 10 |
| 2020s | 3.79 gigawatts | 2.98 gigawatts | 6.84 gigawatts | 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 installed solar energy capacity in Thailand?
- Installed solar energy capacity in Thailand was 6.84 gigawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest installed solar energy capacity recorded in Thailand?
- The highest recorded value was 6.84 gigawatts in 2025.
- What is the lowest installed solar energy capacity recorded in Thailand?
- The lowest recorded value was 0.0304 gigawatts in 2006.
- How does Thailand rank for installed solar energy capacity?
- Thailand ranks 30th out of 218 countries with data for 2025.
- Is installed solar energy capacity rising or falling in Thailand?
- Over the last ten years it is up 380.3%. The long-run trend across the full record is volatile.
- Where does this Thailand data come from?
- The figures come from IRENA (2026) – processed by Our World in Data, published as part of Installed solar energy capacity. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 20 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Total solar (on- and off-grid) electricity installed capacity, measured in gigawatts. This includes solar photovoltaic and concentrated solar power.