Solar (photovoltaic) panels cumulative capacity in Guam
Guam: Solar (photovoltaic) panels cumulative capacity was 0.1048 gigawatts in 2025. ◆ Volatile
Solar (photovoltaic) panels cumulative capacity in Guam, 2009–2025
Source: IRENA (2026) – processed by Our World in Data. Measured in gigawatts.
Analysis
In 2025, solar (photovoltaic) panels cumulative capacity in Guam stood at 0.1048 gigawatts. That is the highest value across all 17 years on record.
Compared with earlier readings it is up 228.0% over ten years.
Over the whole period, solar (photovoltaic) panels cumulative capacity in Guam peaked at 0.1048 gigawatts in 2023 and was at its lowest, 0 gigawatts, in 2009.
That places Guam 117th out of 199 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 (photovoltaic) panels cumulative capacity in Guam, year by year
| Year | gigawatts | Change |
|---|---|---|
| 2009 | 0 gigawatts | — |
| 2010 | 0.0001 gigawatts | +100.0% |
| 2011 | 0.0001 gigawatts | +50.0% |
| 2012 | 0.0003 gigawatts | +133.3% |
| 2013 | 0.0008 gigawatts | +157.1% |
| 2014 | 0.0014 gigawatts | +77.8% |
| 2015 | 0.0319 gigawatts | +2118.7% |
| 2016 | 0.0347 gigawatts | +8.5% |
| 2017 | 0.0363 gigawatts | +4.8% |
| 2018 | 0.0381 gigawatts | +4.9% |
| 2019 | 0.0397 gigawatts | +4.3% |
| 2020 | 0.0414 gigawatts | +4.2% |
| 2021 | 0.043 gigawatts | +4.0% |
| 2022 | 0.1047 gigawatts | +143.3% |
| 2023 | 0.1048 gigawatts | +0.1% |
| 2024 | 0.1048 gigawatts | +0.0% |
| 2025 | 0.1048 gigawatts | +0.0% |
Guam compared with similar countries
- Guam's 0.1048 gigawatts is below the median for high income countries, which is 1.17 gigawatts, 9% of the median. (74 countries reporting)
- Guam's 0.1048 gigawatts is below the median for East Asia & Pacific, which is 0.1229 gigawatts, 85% of the median. (35 countries reporting)
Biggest year-on-year movements
Years where Solar (photovoltaic) panels cumulative capacity in Guam 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 |
|---|---|---|---|
| 2015 | +2118.7% | 0.0014 gigawatts | 0.0319 gigawatts |
| 2013 | +157.1% | 0.0003 gigawatts | 0.0008 gigawatts |
| 2022 | +143.3% | 0.043 gigawatts | 0.1047 gigawatts |
| 2012 | +133.3% | 0.0001 gigawatts | 0.0003 gigawatts |
| 2010 | +100.0% | 0 gigawatts | 0.0001 gigawatts |
| 2014 | +77.8% | 0.0008 gigawatts | 0.0014 gigawatts |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0 gigawatts | 0 gigawatts | 0 gigawatts | 1 |
| 2010s | 0.0183 gigawatts | 0.0001 gigawatts | 0.0397 gigawatts | 10 |
| 2020s | 0.0839 gigawatts | 0.0414 gigawatts | 0.1048 gigawatts | 6 |
Countries ranked near Guam
More energy & mining data for Guam
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2022)
- Primary energy use, annual growth rate 0.356 % change on previous year (2024)
- Coal consumption, per capita 0 terawatt-hours per person (2024)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2022)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2022)
- Primary energy use, per capita 0 terawatt-hours per person (2024)
- Coal production, per capita 0 terawatt-hours per person (2024)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2022)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2024)
- Gas production 0 terawatt-hours (2024)
Frequently asked questions
- What is solar (photovoltaic) panels cumulative capacity in Guam?
- Solar (photovoltaic) panels cumulative capacity in Guam was 0.1048 gigawatts in 2025, according to IRENA (2026) – processed by Our World in Data.
- What is the highest solar (photovoltaic) panels cumulative capacity recorded in Guam?
- The highest recorded value was 0.1048 gigawatts in 2023.
- What is the lowest solar (photovoltaic) panels cumulative capacity recorded in Guam?
- The lowest recorded value was 0 gigawatts in 2009.
- How does Guam rank for solar (photovoltaic) panels cumulative capacity?
- Guam ranks 117th out of 199 countries with data for 2025.
- Is solar (photovoltaic) panels cumulative capacity rising or falling in Guam?
- Over the last ten years it is up 228.0%. The long-run trend across the full record is volatile.
- Where does this Guam 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 — 17 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.