Iran vs Vietnam: Electricity Compared
Iran generated 399 TWh of electricity in 2025 and Vietnam 329 TWh, according to Ember. Iran's largest source was gas (73.3%); Vietnam's was coal (47.8%). Each kWh generated emitted 656 gCO2/kWh in Iran and 459 gCO2/kWh in Vietnam. These are Ember annual statistics for 2025, compiled from national sources; they are not real time.
Why this comparison: both among the 20 largest electricity users.
Key Facts
- Gas supplied 73.3% of Iran's electricity in 2025, against 6.0% in Vietnam.
- Carbon intensity rose 4% in Iran between 2020 and 2025, while it fell 14% in Vietnam.
- Low carbon sources supplied 5.2% of Iran's electricity in 2025 and 46.1% of Vietnam's.
- Electricity demand in 2025 was 398 TWh in Iran and 332 TWh in Vietnam.
Key Figures, 2025
Ember annual statistics| Measure | Iran | Vietnam |
|---|---|---|
| Total generation | 399 TWh | 329 TWh |
| Electricity demand | 398 TWh | 332 TWh |
| Demand per person | 4.28 MWh | 3.09 MWh |
| Carbon intensity | 656 gCO2/kWh | 459 gCO2/kWh |
| Power sector emissions | 262 MtCO2 | 151 MtCO2 |
| Low carbon share | 5.2% | 46.1% |
| Largest source | Gas 73.3% | Coal 47.8% |
Generation Mix, 2025
Share of generationCarbon Intensity, 1985 to 2025
Ember annual statisticsAnnual statistics through 2025, gCO2/kWh
| Year | Iran | Vietnam |
|---|---|---|
| 1985 | 577 gCO2/kWh | 579 gCO2/kWh |
| 1986 | 568 gCO2/kWh | 609 gCO2/kWh |
| 1987 | 561 gCO2/kWh | 632 gCO2/kWh |
| 1988 | 565 gCO2/kWh | 610 gCO2/kWh |
| 1989 | 597 gCO2/kWh | 428 gCO2/kWh |
| 1990 | 599 gCO2/kWh | 320 gCO2/kWh |
| 1991 | 625 gCO2/kWh | 258 gCO2/kWh |
| 1992 | 595 gCO2/kWh | 206 gCO2/kWh |
| 1993 | 592 gCO2/kWh | 198 gCO2/kWh |
| 1994 | 629 gCO2/kWh | 202 gCO2/kWh |
| 1995 | 619 gCO2/kWh | 227 gCO2/kWh |
| 1996 | 619 gCO2/kWh | 235 gCO2/kWh |
| 1997 | 645 gCO2/kWh | 302 gCO2/kWh |
| 1998 | 641 gCO2/kWh | 356 gCO2/kWh |
| 1999 | 659 gCO2/kWh | 301 gCO2/kWh |
| 2000 | 667 gCO2/kWh | 322 gCO2/kWh |
| 2001 | 668 gCO2/kWh | 291 gCO2/kWh |
| 2002 | 652 gCO2/kWh | 344 gCO2/kWh |
| 2003 | 649 gCO2/kWh | 376 gCO2/kWh |
| 2004 | 642 gCO2/kWh | 407 gCO2/kWh |
| 2005 | 636 gCO2/kWh | 462 gCO2/kWh |
| 2006 | 625 gCO2/kWh | 448 gCO2/kWh |
| 2007 | 631 gCO2/kWh | 439 gCO2/kWh |
| 2008 | 662 gCO2/kWh | 422 gCO2/kWh |
| 2009 | 667 gCO2/kWh | 413 gCO2/kWh |
| 2010 | 661 gCO2/kWh | 452 gCO2/kWh |
| 2011 | 654 gCO2/kWh | 408 gCO2/kWh |
| 2012 | 648 gCO2/kWh | 372 gCO2/kWh |
| 2013 | 634 gCO2/kWh | 374 gCO2/kWh |
| 2014 | 644 gCO2/kWh | 404 gCO2/kWh |
| 2015 | 651 gCO2/kWh | 487 gCO2/kWh |
| 2016 | 642 gCO2/kWh | 492 gCO2/kWh |
| 2017 | 642 gCO2/kWh | 433 gCO2/kWh |
| 2018 | 658 gCO2/kWh | 486 gCO2/kWh |
| 2019 | 605 gCO2/kWh | 557 gCO2/kWh |
| 2020 | 630 gCO2/kWh | 531 gCO2/kWh |
| 2021 | 658 gCO2/kWh | 475 gCO2/kWh |
| 2022 | 651 gCO2/kWh | 415 gCO2/kWh |
| 2023 | 638 gCO2/kWh | 467 gCO2/kWh |
| 2024 | 643 gCO2/kWh | 477 gCO2/kWh |
| 2025 | 656 gCO2/kWh | 459 gCO2/kWh |
Demand per Person, 1985 to 2025
Ember annual statisticsAnnual statistics through 2025, MWh
| Year | Iran | Vietnam |
|---|---|---|
| 1985 | n/a | n/a |
| 1986 | n/a | n/a |
| 1987 | n/a | n/a |
| 1988 | n/a | n/a |
| 1989 | n/a | n/a |
| 1990 | n/a | n/a |
| 1991 | n/a | n/a |
| 1992 | n/a | n/a |
| 1993 | n/a | n/a |
| 1994 | n/a | n/a |
| 1995 | n/a | n/a |
| 1996 | n/a | n/a |
| 1997 | n/a | n/a |
| 1998 | n/a | n/a |
| 1999 | n/a | n/a |
| 2000 | 1.79 MWh | 0.34 MWh |
| 2001 | 1.89 MWh | 0.39 MWh |
| 2002 | 2.04 MWh | 0.45 MWh |
| 2003 | 2.21 MWh | 0.51 MWh |
| 2004 | 2.32 MWh | 0.58 MWh |
| 2005 | 2.46 MWh | 0.65 MWh |
| 2006 | 2.63 MWh | 0.72 MWh |
| 2007 | 2.71 MWh | 0.80 MWh |
| 2008 | 2.76 MWh | 0.87 MWh |
| 2009 | 2.85 MWh | 0.98 MWh |
| 2010 | 3.00 MWh | 1.10 MWh |
| 2011 | 2.94 MWh | 1.19 MWh |
| 2012 | 3.04 MWh | 1.30 MWh |
| 2013 | 3.12 MWh | 1.40 MWh |
| 2014 | 3.31 MWh | 1.56 MWh |
| 2015 | 3.36 MWh | 1.76 MWh |
| 2016 | 3.39 MWh | 1.92 MWh |
| 2017 | 3.54 MWh | 2.05 MWh |
| 2018 | 3.58 MWh | 2.27 MWh |
| 2019 | 3.58 MWh | 2.45 MWh |
| 2020 | 3.77 MWh | 2.50 MWh |
| 2021 | 3.95 MWh | 2.57 MWh |
| 2022 | 4.03 MWh | 2.68 MWh |
| 2023 | 4.14 MWh | 2.79 MWh |
| 2024 | 4.30 MWh | 3.04 MWh |
| 2025 | 4.28 MWh | 3.09 MWh |
Iran history · Vietnam history
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.