Iran Electricity History, 1985 to 2025
Iran generated 38.9 TWh of electricity in 1985 and 399 TWh in 2025. Iran's electricity demand peaked at 398 TWh in 2025. The carbon intensity of Iran's electricity went from 577 gCO2/kWh in 1985 to 656 gCO2/kWh in 2025. Figures are Ember annual statistics; Ember's series for Iran starts in 1985.
Key Facts
- Iran generated 38.9 TWh of electricity in 1985 and 399 TWh in 2025.
- Iran's electricity demand peaked at 398 TWh in 2025.
- The carbon intensity of Iran's electricity went from 577 gCO2/kWh in 1985 to 656 gCO2/kWh in 2025.
- Iran's lowest carbon intensity on record was 561 gCO2/kWh, in 1987.
- Gas's share of Iran's electricity went from 35.3% in 1985 to 73.3% in 2025, the largest change of any source.
Generation and Demand
1985 to 2025, TWhAnnual statistics through 2025, TWh
| Year | Generation | Demand |
|---|---|---|
| 1985 | 38.9 TWh | 38.9 TWh |
| 1986 | 42.2 TWh | 42.2 TWh |
| 1987 | 45.1 TWh | 45.1 TWh |
| 1988 | 47.0 TWh | 47.0 TWh |
| 1989 | 51.4 TWh | 51.4 TWh |
| 1990 | 57.7 TWh | 57.7 TWh |
| 1991 | 62.8 TWh | 62.8 TWh |
| 1992 | 67.2 TWh | 67.2 TWh |
| 1993 | 74.7 TWh | 74.7 TWh |
| 1994 | 81.0 TWh | 81.0 TWh |
| 1995 | 84.4 TWh | 84.4 TWh |
| 1996 | 89.7 TWh | 89.7 TWh |
| 1997 | 97.0 TWh | 97.0 TWh |
| 1998 | 102 TWh | 102 TWh |
| 1999 | 110 TWh | 110 TWh |
| 2000 | 119 TWh | 119 TWh |
| 2001 | 128 TWh | 127 TWh |
| 2002 | 138 TWh | 138 TWh |
| 2003 | 152 TWh | 152 TWh |
| 2004 | 163 TWh | 163 TWh |
| 2005 | 177 TWh | 176 TWh |
| 2006 | 193 TWh | 193 TWh |
| 2007 | 203 TWh | 202 TWh |
| 2008 | 210 TWh | 208 TWh |
| 2009 | 222 TWh | 218 TWh |
| 2010 | 236 TWh | 232 TWh |
| 2011 | 236 TWh | 231 TWh |
| 2012 | 249 TWh | 242 TWh |
| 2013 | 259 TWh | 251 TWh |
| 2014 | 276 TWh | 270 TWh |
| 2015 | 280 TWh | 278 TWh |
| 2016 | 286 TWh | 284 TWh |
| 2017 | 305 TWh | 301 TWh |
| 2018 | 312 TWh | 309 TWh |
| 2019 | 319 TWh | 312 TWh |
| 2020 | 337 TWh | 330 TWh |
| 2021 | 356 TWh | 350 TWh |
| 2022 | 367 TWh | 361 TWh |
| 2023 | 382 TWh | 375 TWh |
| 2024 | 396 TWh | 393 TWh |
| 2025 | 399 TWh | 398 TWh |
Carbon Intensity
gCO2 per kWh generatedAnnual statistics through 2025
| Year | Carbon intensity |
|---|---|
| 1985 | 577 gCO2/kWh |
| 1986 | 568 gCO2/kWh |
| 1987 | 561 gCO2/kWh |
| 1988 | 565 gCO2/kWh |
| 1989 | 597 gCO2/kWh |
| 1990 | 599 gCO2/kWh |
| 1991 | 625 gCO2/kWh |
| 1992 | 595 gCO2/kWh |
| 1993 | 592 gCO2/kWh |
| 1994 | 629 gCO2/kWh |
| 1995 | 619 gCO2/kWh |
| 1996 | 619 gCO2/kWh |
| 1997 | 645 gCO2/kWh |
| 1998 | 641 gCO2/kWh |
| 1999 | 659 gCO2/kWh |
| 2000 | 667 gCO2/kWh |
| 2001 | 668 gCO2/kWh |
| 2002 | 652 gCO2/kWh |
| 2003 | 649 gCO2/kWh |
| 2004 | 642 gCO2/kWh |
| 2005 | 636 gCO2/kWh |
| 2006 | 625 gCO2/kWh |
| 2007 | 631 gCO2/kWh |
| 2008 | 662 gCO2/kWh |
| 2009 | 667 gCO2/kWh |
| 2010 | 661 gCO2/kWh |
| 2011 | 654 gCO2/kWh |
| 2012 | 648 gCO2/kWh |
| 2013 | 634 gCO2/kWh |
| 2014 | 644 gCO2/kWh |
| 2015 | 651 gCO2/kWh |
| 2016 | 642 gCO2/kWh |
| 2017 | 642 gCO2/kWh |
| 2018 | 658 gCO2/kWh |
| 2019 | 605 gCO2/kWh |
| 2020 | 630 gCO2/kWh |
| 2021 | 658 gCO2/kWh |
| 2022 | 651 gCO2/kWh |
| 2023 | 638 gCO2/kWh |
| 2024 | 643 gCO2/kWh |
| 2025 | 656 gCO2/kWh |
Every Year
| Year | Generation | Demand | Net imports | Carbon intensity | Low carbon share |
|---|---|---|---|---|---|
| 2025 | 399 TWh | 398 TWh | -1.05 TWh | 656 gCO2/kWh | 5.2% |
| 2024 | 396 TWh | 393 TWh | -2.40 TWh | 643 gCO2/kWh | 7.1% |
| 2023 | 382 TWh | 375 TWh | -6.73 TWh | 638 gCO2/kWh | 8.2% |
| 2022 | 367 TWh | 361 TWh | -6.45 TWh | 651 gCO2/kWh | 6.1% |
| 2021 | 356 TWh | 350 TWh | -6.80 TWh | 658 gCO2/kWh | 5.4% |
| 2020 | 337 TWh | 330 TWh | -6.80 TWh | 630 gCO2/kWh | 9.3% |
| 2019 | 319 TWh | 312 TWh | -6.86 TWh | 605 gCO2/kWh | 13.0% |
| 2018 | 312 TWh | 309 TWh | -3.71 TWh | 658 gCO2/kWh | 5.7% |
| 2017 | 305 TWh | 301 TWh | -4.32 TWh | 642 gCO2/kWh | 8.1% |
| 2016 | 286 TWh | 284 TWh | -2.47 TWh | 642 gCO2/kWh | 7.7% |
| 2015 | 280 TWh | 278 TWh | -2.67 TWh | 651 gCO2/kWh | 6.0% |
| 2014 | 276 TWh | 270 TWh | -5.89 TWh | 644 gCO2/kWh | 6.8% |
| 2013 | 259 TWh | 251 TWh | -7.88 TWh | 634 gCO2/kWh | 7.4% |
| 2012 | 249 TWh | 242 TWh | -7.13 TWh | 648 gCO2/kWh | 5.7% |
| 2011 | 236 TWh | 231 TWh | -5.01 TWh | 654 gCO2/kWh | 4.7% |
| 2010 | 236 TWh | 232 TWh | -3.69 TWh | 661 gCO2/kWh | 4.4% |
| 2009 | 222 TWh | 218 TWh | -4.08 TWh | 667 gCO2/kWh | 3.1% |
| 2008 | 210 TWh | 208 TWh | -2.19 TWh | 662 gCO2/kWh | 3.6% |
| 2007 | 203 TWh | 202 TWh | -680 GWh | 631 gCO2/kWh | 8.9% |
| 2006 | 193 TWh | 193 TWh | -230 GWh | 625 gCO2/kWh | 9.6% |
| 2005 | 177 TWh | 176 TWh | -680 GWh | 636 gCO2/kWh | 8.2% |
| 2004 | 163 TWh | 163 TWh | 330 GWh | 642 gCO2/kWh | 7.4% |
| 2003 | 152 TWh | 152 TWh | 570 GWh | 649 gCO2/kWh | 6.3% |
| 2002 | 138 TWh | 138 TWh | 180 GWh | 652 gCO2/kWh | 5.8% |
| 2001 | 128 TWh | 127 TWh | -300 GWh | 668 gCO2/kWh | 3.3% |
| 2000 | 119 TWh | 119 TWh | -680 GWh | 667 gCO2/kWh | 3.2% |
| 1999 | 110 TWh | 110 TWh | n/a | 659 gCO2/kWh | 4.7% |
| 1998 | 102 TWh | 102 TWh | n/a | 641 gCO2/kWh | 7.3% |
| 1997 | 97.0 TWh | 97.0 TWh | n/a | 645 gCO2/kWh | 6.1% |
| 1996 | 89.7 TWh | 89.7 TWh | n/a | 619 gCO2/kWh | 9.8% |
| 1995 | 84.4 TWh | 84.4 TWh | n/a | 619 gCO2/kWh | 9.9% |
| 1994 | 81.0 TWh | 81.0 TWh | n/a | 629 gCO2/kWh | 8.5% |
| 1993 | 74.7 TWh | 74.7 TWh | n/a | 592 gCO2/kWh | 14.1% |
| 1992 | 67.2 TWh | 67.2 TWh | n/a | 595 gCO2/kWh | 13.7% |
| 1991 | 62.8 TWh | 62.8 TWh | n/a | 625 gCO2/kWh | 8.9% |
| 1990 | 57.7 TWh | 57.7 TWh | n/a | 599 gCO2/kWh | 12.8% |
| 1989 | 51.4 TWh | 51.4 TWh | n/a | 597 gCO2/kWh | 13.1% |
| 1988 | 47.0 TWh | 47.0 TWh | n/a | 565 gCO2/kWh | 17.6% |
| 1987 | 45.1 TWh | 45.1 TWh | n/a | 561 gCO2/kWh | 17.3% |
| 1986 | 42.2 TWh | 42.2 TWh | n/a | 568 gCO2/kWh | 16.7% |
| 1985 | 38.9 TWh | 38.9 TWh | n/a | 577 gCO2/kWh | 15.2% |
Share of Generation by Source
Percent of total generation| Year | Coal | Gas | Other fossil | Nuclear | Hydro | Wind | Solar | Bioenergy |
|---|---|---|---|---|---|---|---|---|
| 2025 | 0.2% | 73.3% | 21.3% | 1.4% | 3.0% | 0.3% | 0.6% | 0.0% |
| 2024 | 0.2% | 72.3% | 20.5% | 1.8% | 4.8% | 0.3% | 0.2% | 0.0% |
| 2023 | 0.2% | 76.9% | 14.7% | 1.7% | 6.0% | 0.3% | 0.2% | 0.0% |
| 2022 | 0.2% | 75.9% | 17.8% | 1.8% | 3.8% | 0.3% | 0.2% | 0.0% |
| 2021 | 0.2% | 79.2% | 15.2% | 1.0% | 3.9% | 0.3% | 0.2% | 0.0% |
| 2020 | 0.2% | 73.6% | 16.9% | 1.9% | 6.9% | 0.3% | 0.2% | 0.0% |
| 2019 | 0.3% | 70.3% | 16.4% | 2.0% | 10.6% | 0.2% | 0.2% | 0.0% |
| 2018 | 0.2% | 85.3% | 8.9% | 2.2% | 3.2% | 0.2% | 0.1% | 0.0% |
| 2017 | 0.2% | 82.7% | 9.0% | 2.3% | 5.7% | 0.1% | 0.0% | 0.0% |
| 2016 | 0.2% | 78.7% | 13.4% | 2.3% | 5.4% | 0.1% | 0.0% | 0.0% |
| 2015 | 0.2% | 73.7% | 20.1% | 1.3% | 4.7% | 0.1% | 0.0% | 0.0% |
| 2014 | 0.2% | 69.7% | 23.3% | 1.5% | 5.3% | 0.1% | 0.0% | 0.0% |
| 2013 | 0.2% | 53.2% | 39.3% | 1.6% | 5.7% | 0.1% | 0.0% | 0.0% |
| 2012 | 0.2% | 62.9% | 31.3% | 0.6% | 5.0% | 0.1% | 0.0% | 0.0% |
| 2011 | 0.2% | 60.4% | 34.7% | 0.0% | 4.5% | 0.1% | 0.0% | 0.0% |
| 2010 | 0.2% | 73.8% | 21.7% | n/a | 4.4% | 0.1% | 0.0% | 0.0% |
| 2009 | 0.2% | 67.4% | 29.3% | n/a | 3.0% | 0.1% | 0.0% | 0.0% |
| 2008 | 0.2% | 64.2% | 32.0% | n/a | 3.5% | 0.1% | 0.0% | 0.0% |
| 2007 | 0.3% | 68.3% | 22.5% | n/a | 8.8% | 0.1% | 0.0% | 0.0% |
| 2006 | 0.3% | 64.7% | 25.4% | n/a | 9.6% | 0.1% | 0.0% | 0.0% |
| 2005 | 0.3% | 70.4% | 21.1% | n/a | 8.2% | 0.0% | 0.0% | 0.0% |
| 2004 | 0.3% | 70.4% | 21.9% | n/a | 7.3% | 0.0% | 0.0% | 0.0% |
| 2003 | 0.3% | 72.4% | 20.9% | n/a | 6.3% | 0.0% | 0.0% | 0.0% |
| 2002 | 0.4% | 70.9% | 22.9% | n/a | 5.8% | 0.0% | 0.0% | 0.0% |
| 2001 | 0.4% | 70.1% | 26.2% | n/a | 3.2% | 0.0% | 0.0% | 0.0% |
| 2000 | 0.4% | 68.3% | 28.1% | n/a | 3.2% | 0.0% | 0.0% | 0.0% |
| 1999 | 0.4% | 70.1% | 24.8% | 0.0% | 4.7% | 0.0% | 0.0% | 0.0% |
| 1998 | 0.1% | 70.1% | 22.5% | 0.0% | 7.3% | 0.0% | 0.0% | 0.0% |
| 1997 | 0.1% | 60.7% | 33.1% | 0.0% | 6.1% | 0.0% | 0.0% | 0.0% |
| 1996 | 0.1% | 54.7% | 35.4% | 0.0% | 9.8% | 0.0% | 0.0% | 0.0% |
| 1995 | 0.1% | 55.2% | 34.8% | 0.0% | 9.9% | 0.0% | 0.0% | 0.0% |
| 1994 | 0.1% | 58.3% | 33.0% | 0.0% | 8.5% | 0.0% | 0.0% | 0.0% |
| 1993 | 0.1% | 53.9% | 31.8% | 0.0% | 14.1% | 0.0% | 0.0% | 0.0% |
| 1992 | 0.1% | 55.3% | 30.9% | 0.0% | 13.7% | 0.0% | 0.0% | 0.0% |
| 1991 | 0.2% | 55.7% | 35.2% | 0.0% | 8.9% | 0.0% | 0.0% | 0.0% |
| 1990 | 0.1% | 52.6% | 34.5% | 0.0% | 12.8% | 0.0% | 0.0% | 0.0% |
| 1989 | 0.1% | 51.3% | 35.5% | 0.0% | 13.1% | n/a | n/a | n/a |
| 1988 | 0.2% | 42.6% | 39.6% | 0.0% | 17.6% | n/a | n/a | n/a |
| 1987 | 0.2% | 30.0% | 52.5% | 0.0% | 17.3% | n/a | n/a | n/a |
| 1986 | 0.2% | 37.4% | 45.7% | 0.0% | 16.7% | n/a | n/a | n/a |
| 1985 | 0.2% | 35.3% | 49.3% | 0.0% | 15.2% | n/a | n/a | n/a |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025.