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Built 2026-11-05 (5 November 2026)

Italy vs Japan: Electricity Compared

Italy generated 265 TWh of electricity in 2025 and Japan 1,027 TWh, according to Ember. Gas was the largest source in both, at 47.4% in Italy and 32.7% in Japan. Each kWh generated emitted 285 gCO2/kWh in Italy and 474 gCO2/kWh in Japan. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.

Who is bigger and who is cleaner? Japan is the bigger electricity producer, generating 3.9 times as much as Italy in 2025 (1,027 TWh against 265 TWh). Italy has the cleaner electricity by carbon intensity, at 285 gCO2/kWh against 474 gCO2/kWh in Japan in 2025.

Why this comparison: both among the 20 largest electricity users.

Open this comparison in the interactive tool to add more countries or change the metric.

Key Facts

  • Coal supplied 31.8% of Japan's electricity in 2025, against 1.4% in Italy.
  • Japan's electricity was 1.7 times as carbon intensive as Italy's in 2025, at 474 gCO2/kWh against 285 gCO2/kWh.
  • Low carbon sources supplied 48.7% of Italy's electricity in 2025 and 33.1% of Japan's.
  • Electricity demand in 2025 was 312 TWh in Italy and 1,027 TWh in Japan.

Key Figures, 2025

Ember annual statistics
Measure Italy Japan
Total generation265 TWh1,027 TWh
Electricity demand312 TWh1,027 TWh
Demand per person5.27 MWh8.37 MWh
Carbon intensity285 gCO2/kWh474 gCO2/kWh
Power sector emissions75.6 MtCO2487 MtCO2
Low carbon share48.7%33.1%
Largest sourceGas 47.4%Gas 32.7%

Generation Mix, 2025

Share of generation
Source Italy Japan
Gas 47.4% 32.7%
Coal 1.4% 31.8%
Solar 16.8% 10.8%
Hydro 15.7% 7.2%
Nuclear 0.0% 9.2%
Wind 8.1% 1.3%
Bioenergy 5.9% 4.6%
Other fossil 2.6% 2.4%
Other renewables 2.1% 0.0%

Carbon Intensity, 1985 to 2025

Ember annual statistics
Carbon intensity of electricity in Italy and Japan, 1985 to 2025 Carbon intensity of electricity generated in Italy and Japan each year from 1985 to 2025, in gCO2/kWh. In 2025 it was 285 gCO2/kWh in Italy and 474 gCO2/kWh in Japan. 0 150 300 450 600 198519901995200020052010201520202025
Carbon intensity of electricity generated in Italy and Japan each year from 1985 to 2025, in gCO2/kWh. In 2025 it was 285 gCO2/kWh in Italy and 474 gCO2/kWh in Japan.
Annual statistics through 2025, gCO2/kWh
Carbon intensity of electricity in Italy and Japan, 1985 to 2025
YearItalyJapan
1985n/a421 gCO2/kWh
1986n/a417 gCO2/kWh
1987n/a417 gCO2/kWh
1988n/a427 gCO2/kWh
1989n/a429 gCO2/kWh
1990564 gCO2/kWh447 gCO2/kWh
1991534 gCO2/kWh438 gCO2/kWh
1992527 gCO2/kWh445 gCO2/kWh
1993518 gCO2/kWh419 gCO2/kWh
1994518 gCO2/kWh444 gCO2/kWh
1995542 gCO2/kWh424 gCO2/kWh
1996525 gCO2/kWh423 gCO2/kWh
1997520 gCO2/kWh408 gCO2/kWh
1998520 gCO2/kWh404 gCO2/kWh
1999501 gCO2/kWh419 gCO2/kWh
2000502 gCO2/kWh424 gCO2/kWh
2001499 gCO2/kWh424 gCO2/kWh
2002523 gCO2/kWh434 gCO2/kWh
2003523 gCO2/kWh476 gCO2/kWh
2004511 gCO2/kWh450 gCO2/kWh
2005510 gCO2/kWh462 gCO2/kWh
2006507 gCO2/kWh447 gCO2/kWh
2007505 gCO2/kWh470 gCO2/kWh
2008485 gCO2/kWh485 gCO2/kWh
2009459 gCO2/kWh460 gCO2/kWh
2010446 gCO2/kWh447 gCO2/kWh
2011446 gCO2/kWh505 gCO2/kWh
2012438 gCO2/kWh595 gCO2/kWh
2013399 gCO2/kWh596 gCO2/kWh
2014379 gCO2/kWh592 gCO2/kWh
2015399 gCO2/kWh578 gCO2/kWh
2016390 gCO2/kWh567 gCO2/kWh
2017393 gCO2/kWh558 gCO2/kWh
2018367 gCO2/kWh542 gCO2/kWh
2019351 gCO2/kWh529 gCO2/kWh
2020334 gCO2/kWh528 gCO2/kWh
2021339 gCO2/kWh515 gCO2/kWh
2022378 gCO2/kWh520 gCO2/kWh
2023323 gCO2/kWh493 gCO2/kWh
2024281 gCO2/kWh484 gCO2/kWh
2025285 gCO2/kWh474 gCO2/kWh

Demand per Person, 1985 to 2025

Ember annual statistics
Electricity demand per person in Italy and Japan, 1985 to 2025 Electricity demand per person in Italy and Japan each year from 1985 to 2025, in MWh. In 2025 it was 5.27 MWh in Italy and 8.37 MWh in Japan. 0.0 2.5 5.0 7.5 10.0 198519901995200020052010201520202025
Electricity demand per person in Italy and Japan each year from 1985 to 2025, in MWh. In 2025 it was 5.27 MWh in Italy and 8.37 MWh in Japan.
Annual statistics through 2025, MWh
Electricity demand per person in Italy and Japan, 1985 to 2025
YearItalyJapan
1985n/an/a
1986n/an/a
1987n/an/a
1988n/an/a
1989n/an/a
1990n/an/a
1991n/an/a
1992n/an/a
1993n/an/a
1994n/an/a
1995n/an/a
1996n/an/a
1997n/an/a
1998n/an/a
1999n/an/a
20005.49 MWh8.66 MWh
20015.59 MWh8.51 MWh
20025.71 MWh8.65 MWh
20035.84 MWh8.56 MWh
20045.83 MWh8.77 MWh
20055.88 MWh9.01 MWh
20065.97 MWh9.10 MWh
20075.96 MWh9.21 MWh
20085.90 MWh9.24 MWh
20095.53 MWh8.69 MWh
20105.66 MWh9.02 MWh
20115.70 MWh8.62 MWh
20125.59 MWh8.65 MWh
20135.41 MWh8.52 MWh
20145.28 MWh8.34 MWh
20155.38 MWh8.09 MWh
20165.34 MWh8.37 MWh
20175.46 MWh8.48 MWh
20185.47 MWh8.53 MWh
20195.46 MWh8.27 MWh
20205.16 MWh8.01 MWh
20215.50 MWh8.23 MWh
20225.42 MWh8.33 MWh
20235.26 MWh8.10 MWh
20245.37 MWh8.21 MWh
20255.27 MWh8.37 MWh

Italy history · Japan history

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

Cite this page
APA 7

World Power Monitor. (2025). Italy vs Japan: Electricity Compared. https://worldpowermonitor.com/compare/italy-vs-japan/

Plain text

World Power Monitor. Italy vs Japan: Electricity Compared. Data as of 2025. Data from Ember. https://worldpowermonitor.com/compare/italy-vs-japan/

BibTeX 
@misc{wpm_compare_italy_vs_japan_2025,
  title = {{Italy vs Japan: Electricity Compared}},
  author = {{World Power Monitor}},
  year = {2025},
  note = {Data as of 2025. Data from Ember.},
  url = {https://worldpowermonitor.com/compare/italy-vs-japan/}
}

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