U.S. RANK #46 · HI 0.03% OF U.S. GENERATION

Hawaii Electricity Generation & Grid Mix

In 2025, Hawaii (HI) generated 11.07 TWh of electricity (0.03% of U.S. generation, ranked #46 among U.S. states). Its #1 electricity source was Oil & Other Fossil at 7.31 TWh (66.1% of state output), while low-carbon sources supplied 33.9%.

2025 Generation 11.07 TWh U.S. Rank #46
#1 Power Source Oil & Other Fossil 66.1% (7.3 TWh)
Low-Carbon Share 33.9% Wind + Solar: 28.8%
Fossil Share 66.1% 5Y Gen Change: +6.6%
CO2 Intensity 480 gCO2/kWh 5.3 Mt CO2 total
2025 Hawaii Grid Fuel Mix Breakdown (100% = 11.07 TWh)
Oil & Other Fossil: 66.1% (7.31 TWh) Solar: 23.6% (2.61 TWh) Wind: 5.2% (0.57 TWh) Geothermal & Other: 2.7% (0.30 TWh) Bioenergy: 1.7% (0.19 TWh) Hydroelectric: 0.7% (0.08 TWh)
GRID TELEMETRY · 2025 GENERATION MIX & 2000-2025 SERIES

Hawaii (HI) Electricity Generation by Source (2025)

2025 Total Output: 11.07 TWh · Carbon Intensity: 480 gCO2/kWh

Oil & Other Fossil
7.31 TWh 66.1%
Solar
2.61 TWh 23.6%
Wind
0.57 TWh 5.2%
Geothermal & Other
0.30 TWh 2.7%
Bioenergy
0.19 TWh 1.7%
Hydroelectric
0.08 TWh 0.7%
Source: Ember Yearly Electricity Data & U.S. EIA · Unit: Terawatt-hours (TWh) #1 Power Source: Oil & Other Fossil (66.1% of grid)

Hawaii Historical Electricity Generation by Fuel (2001-2025)

Year Total (TWh) Coal Gas Nuclear Hydro Wind Solar Clean % gCO2/kWh
2025 11.07 0.00 0.00 0.00 0.08 0.57 2.61 33.9% 480
2024 10.80 0.00 0.00 0.00 0.10 0.66 2.28 33.2% 484
2023 10.72 0.00 0.00 0.00 0.09 0.63 2.04 31.6% 496
2022 10.72 0.65 0.00 0.00 0.11 0.63 1.88 29.5% 517
2021 10.55 1.08 0.00 0.00 0.11 0.66 1.76 29.5% 522
2020 10.38 1.17 0.00 0.00 0.10 0.59 1.69 26.4% 543
2019 10.97 1.30 0.00 0.00 0.09 0.53 1.38 21.9% 574
2018 10.93 1.31 0.00 0.00 0.10 0.60 1.21 22.3% 572
2017 10.89 1.38 0.00 0.00 0.07 0.53 1.15 22.6% 570
2016 10.86 1.50 0.00 0.00 0.09 0.64 0.85 21.7% 579
2015 10.88 1.34 0.00 0.00 0.12 0.61 0.69 19.3% 591
2014 10.90 1.51 0.00 0.00 0.09 0.58 0.59 18.3% 601
2013 10.41 1.40 0.00 0.00 0.08 0.50 0.02 13.0% 635
2012 10.60 1.54 0.00 0.00 0.11 0.38 0.00 11.0% 649
2011 10.87 1.42 0.00 0.00 0.09 0.34 0.00 10.3% 652
2010 10.95 1.55 0.00 0.00 0.07 0.26 0.00 8.5% 665
2009 11.11 1.50 0.00 0.00 0.11 0.25 0.00 8.3% 666
2008 11.49 1.65 0.00 0.00 0.08 0.24 0.00 8.5% 665
2007 11.65 1.58 0.00 0.00 0.09 0.24 0.00 8.3% 666
2006 11.70 1.55 0.00 0.00 0.12 0.08 0.00 7.5% 671
2005 11.67 1.63 0.00 0.00 0.10 0.01 0.00 6.7% 677
2004 11.56 1.60 0.00 0.00 0.09 0.01 0.00 6.9% 677
2003 11.14 1.64 0.00 0.00 0.09 0.00 0.00 7.0% 677
2002 11.79 1.55 0.00 0.00 0.10 0.00 0.00 5.0% 687
2001 10.69 1.60 0.00 0.00 0.10 0.00 0.00 6.1% 683