Solar (photovoltaic) panels cumulative capacity in Thailand
Thailand: Solar (photovoltaic) panels cumulative capacity was 6.83 gigawatts in 2025. ◆ Volatile
Solar (photovoltaic) panels cumulative capacity in Thailand, 2006–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in gigawatts.
Analysis
In 2025, solar (photovoltaic) panels cumulative capacity in Thailand stood at 6.83 gigawatts. That is the highest value across all 20 years on record.
Compared with earlier readings it is up 102.2% on the previous year and up 381.4% over ten years.
Over the whole period, solar (photovoltaic) panels cumulative capacity in Thailand peaked at 6.83 gigawatts in 2025 and was at its lowest, 0.0304 gigawatts, in 2006.
Thailand ranks 28th of 199 countries on this measure, in the top quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Solar (photovoltaic) panels cumulative 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 | 0.3767 gigawatts | +378.7% |
| 2013 | 0.8235 gigawatts | +118.6% |
| 2014 | 1.3 gigawatts | +57.7% |
| 2015 | 1.42 gigawatts | +9.3% |
| 2016 | 2.45 gigawatts | +72.3% |
| 2017 | 2.7 gigawatts | +10.3% |
| 2018 | 2.96 gigawatts | +9.8% |
| 2019 | 2.98 gigawatts | +0.7% |
| 2020 | 2.95 gigawatts | -1.1% |
| 2021 | 3.03 gigawatts | +2.8% |
| 2022 | 3.15 gigawatts | +3.9% |
| 2023 | 3.29 gigawatts | +4.5% |
| 2024 | 3.38 gigawatts | +2.7% |
| 2025 | 6.83 gigawatts | +102.2% |
Thailand compared with similar countries
- Thailand's 6.83 gigawatts is above the median for upper middle income countries, which is 0.474 gigawatts, 14.4× the median. (52 countries reporting)
- Thailand's 6.83 gigawatts is above the median for East Asia & Pacific, which is 0.1229 gigawatts, 55.6× the median. (35 countries reporting)
Biggest year-on-year movements
Years where Solar (photovoltaic) panels cumulative 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 | +378.7% | 0.0787 gigawatts | 0.3767 gigawatts |
| 2013 | +118.6% | 0.3767 gigawatts | 0.8235 gigawatts |
| 2025 | +102.2% | 3.38 gigawatts | 6.83 gigawatts |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.033 gigawatts | 0.0304 gigawatts | 0.037 gigawatts | 4 |
| 2010s | 1.51 gigawatts | 0.0486 gigawatts | 2.98 gigawatts | 10 |
| 2020s | 3.77 gigawatts | 2.95 gigawatts | 6.83 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 solar (photovoltaic) panels cumulative capacity in Thailand?
- Solar (photovoltaic) panels cumulative capacity in Thailand was 6.83 gigawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest solar (photovoltaic) panels cumulative capacity recorded in Thailand?
- The highest recorded value was 6.83 gigawatts in 2025.
- What is the lowest solar (photovoltaic) panels cumulative capacity recorded in Thailand?
- The lowest recorded value was 0.0304 gigawatts in 2006.
- How does Thailand rank for solar (photovoltaic) panels cumulative capacity?
- Thailand ranks 28th out of 199 countries with data for 2025.
- Is solar (photovoltaic) panels cumulative capacity rising or falling in Thailand?
- Over the last ten years it is up 381.4%. 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 Solar (photovoltaic) panels cumulative 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
Solar photovoltaic (on-grid) electricity installed capacity, measured in gigawatts.