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Puerto Rico Electricity: Generation Mix, Demand and Emissions

Puerto Rico generated 19.5 TWh of electricity in 2025, according to Ember. Other fossil was the largest source at 49.0%, followed by gas (29.5%) and coal (15.7%). Demand was 19.5 TWh and each kWh generated emitted 656 gCO2/kWh. These are annual statistics for 2025, with monthly figures through August 2026; they are compiled from national sources and are not real time.

Key Facts

  • Puerto Rico generated 19.5 TWh of electricity in 2025.
  • Other fossil supplied 49.0% of Puerto Rico's electricity in 2025.
  • Gas supplied 29.5% of Puerto Rico's electricity in 2025.
  • Coal supplied 15.7% of Puerto Rico's electricity in 2025.
  • Low carbon sources (nuclear and renewables) supplied 5.9% of Puerto Rico's generation in 2025.
  • The carbon intensity of Puerto Rico's electricity was 656 gCO2/kWh in 2025.
  • Puerto Rico's carbon intensity in 2025 was about the same as in 2000, at 656 gCO2/kWh.
  • Puerto Rico had the 71st highest electricity demand among the 96 countries with Ember data for 2025.

Key Figures, 2025

MeasureValueAs of / source
Total generation19.5 TWh2025 · Ember
Electricity demand19.5 TWh2025 · Ember
Demand per person6.05 MWh2025 · Ember
Net imports0 TWh2025 · Ember
Carbon intensity656 gCO2/kWh2025 · Ember
Power sector emissions12.8 MtCO22025 · Ember
Demand rank (countries with 2025 data)71 of 962025 · Ember

Generation Mix, 2025

SourceGenerationShare
Other fossil 9.57 TWh 49.0%
Gas 5.76 TWh 29.5%
Coal 3.07 TWh 15.7%
Solar 910 GWh 4.7%
Wind 220 GWh 1.1%
Bioenergy 10.0 GWh 0.1%
Hydro 0 TWh 0.0%
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Year by Year

Ember annual statistics, 2000 to 2025
Puerto Rico electricity generation by source, 2000 to 2025 Puerto Rico's electricity generation by main source from 2000 to 2025, in TWh. In 2025 the largest sources were other fossil at 9.57 TWh, gas at 5.76 TWh, coal at 3.07 TWh, solar at 910 GWh, wind at 220 GWh. 0 5 10 15 20 200020052010201520202025
Puerto Rico's electricity generation by main source from 2000 to 2025, in TWh. In 2025 the largest sources were other fossil at 9.57 TWh, gas at 5.76 TWh, coal at 3.07 TWh, solar at 910 GWh, wind at 220 GWh.
Annual statistics through 2025, TWh
Puerto Rico electricity generation by source, 2000 to 2025
YearOther fossilGasCoalSolarWind
200019.6 TWh1.73 TWh410 GWh0 TWh0 TWh
200118.0 TWh3.81 TWh390 GWh0 TWh0 TWh
200219.0 TWh3.02 TWh990 GWh0 TWh0 TWh
200317.8 TWh3.15 TWh2.92 TWh0 TWh0 TWh
200418.0 TWh2.94 TWh3.12 TWh0 TWh0 TWh
200518.6 TWh3.12 TWh3.06 TWh0 TWh0 TWh
200617.9 TWh3.38 TWh3.58 TWh0 TWh0 TWh
200717.5 TWh3.45 TWh3.60 TWh0 TWh0 TWh
200815.8 TWh3.73 TWh3.58 TWh0 TWh0 TWh
200915.3 TWh4.21 TWh3.39 TWh0 TWh0 TWh
201016.3 TWh3.61 TWh3.19 TWh0 TWh0 TWh
201115.2 TWh3.40 TWh3.51 TWh0 TWh0 TWh
201213.5 TWh5.40 TWh3.25 TWh20.0 GWh10.0 GWh
201311.0 TWh6.74 TWh3.43 TWh40.0 GWh170 GWh
201410.2 TWh6.89 TWh3.67 TWh50.0 GWh220 GWh
201510.9 TWh6.37 TWh3.26 TWh90.0 GWh240 GWh
20169.81 TWh6.96 TWh3.48 TWh120 GWh190 GWh
20178.41 TWh5.28 TWh2.32 TWh160 GWh150 GWh
20188.49 TWh6.22 TWh2.51 TWh310 GWh110 GWh
20197.27 TWh7.63 TWh3.52 TWh500 GWh160 GWh
20209.63 TWh5.62 TWh3.06 TWh560 GWh140 GWh
202110.0 TWh5.28 TWh3.18 TWh680 GWh160 GWh
202210.2 TWh5.39 TWh3.24 TWh850 GWh160 GWh
202310.2 TWh5.39 TWh3.24 TWh850 GWh160 GWh
202410.2 TWh5.40 TWh3.20 TWh960 GWh180 GWh
20259.57 TWh5.76 TWh3.07 TWh910 GWh220 GWh
YearGenerationDemandCarbon intensity
2025 19.5 TWh 19.5 TWh 656 gCO2/kWh
2024 20.0 TWh 20.0 TWh 657 gCO2/kWh
2023 19.9 TWh 19.9 TWh 661 gCO2/kWh
2022 19.9 TWh 19.9 TWh 661 gCO2/kWh
2021 19.4 TWh 19.4 TWh 666 gCO2/kWh
2020 19.1 TWh 19.1 TWh 669 gCO2/kWh
2019 19.2 TWh 19.2 TWh 674 gCO2/kWh
2018 17.7 TWh 17.7 TWh 672 gCO2/kWh
2017 16.4 TWh 16.4 TWh 674 gCO2/kWh
2016 20.6 TWh 20.6 TWh 684 gCO2/kWh

Full year by year history for Puerto Rico, 2000 to 2025

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.

Month by Month

Ember monthly statistics through August 2026
Puerto Rico monthly electricity demand and generation, September 2024 to August 2026 Puerto Rico's electricity demand in August 2026 was 1.63 TWh, and generation from the sources Ember reports was 1.64 TWh. Carbon intensity that month was 718 gCO2/kWh. 0 1 1 2 2 2024-092025-032025-092026-03
Puerto Rico's electricity demand in August 2026 was 1.63 TWh, and generation from the sources Ember reports was 1.64 TWh. Carbon intensity that month was 718 gCO2/kWh.
Monthly statistics through August 2026, TWh
Puerto Rico monthly electricity demand and generation, September 2024 to August 2026
MonthDemandGeneration
2024-091.48 TWh1.48 TWh
2024-101.52 TWh1.53 TWh
2024-111.32 TWh1.31 TWh
2024-121.27 TWh1.27 TWh
2025-011.19 TWh1.20 TWh
2025-021.12 TWh1.12 TWh
2025-031.22 TWh1.22 TWh
2025-041.13 TWh1.14 TWh
2025-051.34 TWh1.35 TWh
2025-061.40 TWh1.40 TWh
2025-071.50 TWh1.49 TWh
2025-081.25 TWh1.26 TWh
2025-091.48 TWh1.48 TWh
2025-101.52 TWh1.52 TWh
2025-111.40 TWh1.40 TWh
2025-121.33 TWh1.33 TWh
2026-011.24 TWh1.25 TWh
2026-021.10 TWh1.10 TWh
2026-031.23 TWh1.23 TWh
2026-041.26 TWh1.26 TWh
2026-051.43 TWh1.43 TWh
2026-061.49 TWh1.49 TWh
2026-071.61 TWh1.61 TWh
2026-081.63 TWh1.64 TWh

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026.

Seasonal Patterns in Puerto Rico

Ember monthly statistics, complete years only, through August 2026

Electricity demand by month

Look for the brightest columns. Averaged over 2019 to 2025, demand is highest in June and lowest in January, and the busiest month uses 25% more electricity per day than the quietest.

Puerto Rico's electricity demand for each month, in TWh, 2019 to 2025. Colour shows demand per day, so short months are not shaded as quiet.
Year JanFebMarAprMayJunJulAugSepOctNovDec
2025 1.19 1.12 1.22 1.13 1.34 1.40 1.50 1.25 1.48 1.52 1.40 1.33
2024 1.16 1.06 1.24 1.26 1.44 1.50 1.58 1.51 1.48 1.52 1.32 1.27
2023 1.34 1.22 1.38 1.36 1.64 1.67 1.63 1.69 1.59 1.46 1.25 1.27
2022 1.41 1.29 1.46 1.35 1.61 1.68 1.63 1.70 1.27 1.54 1.45 1.41
2021 1.40 1.30 1.46 1.46 1.60 1.54 1.69 1.76 1.66 1.65 1.55 1.49
2020 1.26 1.34 1.38 1.42 1.56 1.64 1.67 1.76 1.64 1.60 1.48 1.46
2019 1.33 1.24 1.42 1.43 1.55 1.60 1.65 1.68 1.62 1.63 1.51 1.51
  • Lower demand per day
  • Higher demand per day
  • No data
  • Each cell shows the month's total demand in TWh, and colour compares demand per day so short months are not shaded as quiet. Lowest cell 1.06 TWh, highest 1.76 TWh. Colours are relative to Puerto Rico alone.

Low carbon share of generation by month

The low carbon share stays close to 2% all year: averaged over 2019 to 2025, the best month, June, is only 0.9 points above the lowest, October. Look down a column to see how the share has changed from year to year.

Share of Puerto Rico's electricity generation from nuclear and renewable sources for each month, in percent, 2019 to 2025.
Year JanFebMarAprMayJunJulAugSepOctNovDec
2025 3% 4% 2% 4% 3% 4% 3% 3% 2% 2% 2% 2%
2024 3% 3% 2% 2% 3% 3% 3% 3% 3% 3% 2% 2%
2023 2% 2% 2% 2% 2% 2% 2% 2% 1% 1% 2% 2%
2022 2% 2% 3% 3% 2% 3% 2% 2% 2% 2% 2% 2%
2021 2% 3% 3% 3% 3% 3% 3% 3% 2% 2% 2% 2%
2020 2% 2% 2% 3% 3% 3% 3% 3% 2% 2% 2% 2%
2019 2% 2% 3% 3% 3% 3% 2% 2% 2% 2% 2% 2%
  • Lower low carbon share
  • Higher low carbon share
  • No data
  • Each cell shows the low carbon share. Lowest cell 1%, highest 4%. Colours are relative to Puerto Rico alone.

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of August 2026. Complete calendar years only.

Countries With a Similar Electricity Mix

Ember annual, 2025

Puerto Rico's closest match is Iraq, 75.2% the same.

  1. Iraq 75.2% the same Iraq generates 23.5 points more gas than Puerto Rico
  2. Syria 74.2% the same Syria generates 22.8 points more gas than Puerto Rico
  3. Dominican Republic 68.7% the same The Dominican Republic generates 28.6 points less other fossil than Puerto Rico
  4. Papua New Guinea 68.5% the same Papua New Guinea generates 21.1 points more hydro than Puerto Rico
  5. Guadeloupe 68.0% the same Guadeloupe generates 29.5 points less gas than Puerto Rico

How close: the share of generation that would have to change fuel for one mix to match the other (half the sum of the fuel share differences); 100% minus that is "the same". Grids under 1 TWh are skipped. Grid twins: the 25 closest pairs and every country's nearest match

Notable Grid Failures Affecting Puerto Rico

History, not live data
The 2017 Puerto Rico Hurricane Maria Blackout 20 September 2017. Puerto Rico.

Puerto Rico Electricity FAQ

What is the main source of electricity in Puerto Rico?

Other fossil was the largest source of electricity in Puerto Rico in 2025, supplying 49.0% of generation, followed by gas (29.5%) and coal (15.7%). Figures are Ember annual statistics.

How much electricity does Puerto Rico use?

Puerto Rico used 19.5 TWh of electricity in 2025, about 6.05 MWh per person.

How clean is Puerto Rico's electricity?

Generating a kilowatt hour of electricity in Puerto Rico emitted 656 gCO2/kWh in 2025, and low carbon sources supplied 5.9% of generation. That is 43% above the world average of 460 gCO2/kWh.

When does Puerto Rico use the most electricity?

Averaged over 2019 to 2025, Puerto Rico's electricity demand is highest in June and lowest in January. The busiest month uses 25% more electricity per day than the quietest (Ember monthly data).

Cite this page
APA 7

World Power Monitor. (2026). Puerto Rico Electricity: Generation Mix, Demand and Emissions. https://worldpowermonitor.com/countries/puerto-rico/

Plain text

World Power Monitor. Puerto Rico Electricity: Generation Mix, Demand and Emissions. Data as of 2026-08. Data from Ember. https://worldpowermonitor.com/countries/puerto-rico/

BibTeX 
@misc{wpm_countries_puerto_rico_2026,
  title = {{Puerto Rico Electricity: Generation Mix, Demand and Emissions}},
  author = {{World Power Monitor}},
  year = {2026},
  note = {Data as of 2026-08. Data from Ember.},
  url = {https://worldpowermonitor.com/countries/puerto-rico/}
}

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