Built 2026-09-19 (19 September 2026)

Guam Solar Power: Generation, Share and Trend

Guam generated 160 GWh of electricity from solar in 2024, 8.6% of its total, according to Ember. That made it the 108th largest solar power producer in 2024 of the 180 countries with Ember data, comparing each country's latest year. Solar supplied 7.0% of the world's electricity in 2024. These are annual statistics for 2024; they are compiled from national sources and are not real time.

Key Facts

  • Guam generated 160 GWh of electricity from solar in 2024.
  • Solar supplied 8.6% of Guam's electricity in 2024.
  • Guam was the 108th largest solar power producer in 2024 among the 180 countries with Ember data, comparing each country's latest year.
  • Guam's solar generation in 2024 was 100% higher than in 2019, when it was 80.0 GWh.
  • Guam's solar generation in 2024 was 160 GWh, up from none in 2014.
  • 2024 was Guam's highest year for solar generation in Ember's records, which start in 2000.
  • Guam's solar share in 2024 was above the world share of 7.0%.
  • Guam had 100 MW of solar generating capacity in 2024.

Key Figures, 2024

MeasureValueAs of / source
Solar generation160 GWh2024 · Ember
Share of Guam's electricity8.6%2024 · Ember
World share of solar7.0%2024 · Ember
Rank by solar generation (each country's latest year)108 of 1802024 · Ember
Solar capacity100 MW2024 · Ember

Solar Generation Year by Year

Ember annual statistics, 2000 to 2024
Guam solar electricity generation, 2000 to 2024 Guam's electricity generation from solar each year from 2000 to 2024, in GWh. It was 160 GWh in 2024. 0 50 100 150 200 20002005201020152020
Guam's electricity generation from solar each year from 2000 to 2024, in GWh. It was 160 GWh in 2024.
Annual statistics through 2024, GWh
Guam solar electricity generation, 2000 to 2024
YearSolar
20000 TWh
20010 TWh
20020 TWh
20030 TWh
20040 TWh
20050 TWh
20060 TWh
20070 TWh
20080 TWh
20090 TWh
20100 TWh
20110 TWh
20120 TWh
20130 TWh
20140 TWh
201530.0 GWh
201670.0 GWh
201760.0 GWh
201870.0 GWh
201980.0 GWh
202080.0 GWh
202180.0 GWh
2022140 GWh
2023140 GWh
2024160 GWh
Share of Guam's electricity from solar and the world share, 2000 to 2024 The share of Guam's electricity generated from solar, 2000 to 2024, compared with the world share. In 2024 it was 8.6%, against 7.0% worldwide. 0 3 5 8 10 20002005201020152020
The share of Guam's electricity generated from solar, 2000 to 2024, compared with the world share. In 2024 it was 8.6%, against 7.0% worldwide.
Annual statistics through 2024, % of generation
Share of Guam's electricity from solar and the world share, 2000 to 2024
YearGuamWorld
20000.0%0.0%
20010.0%0.0%
20020.0%0.0%
20030.0%0.0%
20040.0%0.0%
20050.0%0.0%
20060.0%0.0%
20070.0%0.0%
20080.0%0.1%
20090.0%0.1%
20100.0%0.2%
20110.0%0.3%
20120.0%0.4%
20130.0%0.6%
20140.0%0.8%
20151.8%1.1%
20164.0%1.3%
20173.4%1.8%
20184.1%2.2%
20194.6%2.6%
20204.7%3.2%
20214.6%3.7%
20227.8%4.6%
20237.8%5.6%
20248.6%7.0%
YearGenerationShareWorld shareCapacity
2024 160 GWh 8.6% 7.0% 100 MW
2023 140 GWh 7.8% 5.6% 100 MW
2022 140 GWh 7.8% 4.6% 100 MW
2021 80.0 GWh 4.6% 3.7% 40 MW
2020 80.0 GWh 4.7% 3.2% 40 MW
2019 80.0 GWh 4.6% 2.6% 40 MW
2018 70.0 GWh 4.1% 2.2% 40 MW
2017 60.0 GWh 3.4% 1.8% 40 MW
2016 70.0 GWh 4.0% 1.3% 30 MW
2015 30.0 GWh 1.8% 1.1% 30 MW

Full year by year history for Guam

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2024. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.