U.S. RANK #43 · ID 0.07% OF U.S. GENERATION

Idaho Electricity Generation & Grid Mix

In 2025, Idaho (ID) generated 21.10 TWh of electricity (0.07% of U.S. generation, ranked #43 among U.S. states). Its #1 electricity source was Hydroelectric at 9.72 TWh (46.1% of state output), while low-carbon sources supplied 72.8%.

2025 Generation 21.10 TWh U.S. Rank #43
#1 Power Source Hydroelectric 46.1% (9.7 TWh)
Low-Carbon Share 72.8% Wind + Solar: 23.8%
Fossil Share 27.2% 5Y Gen Change: +18.4%
CO2 Intensity 156 gCO2/kWh 3.3 Mt CO2 total
2025 Idaho Grid Fuel Mix Breakdown (100% = 21.10 TWh)
Hydroelectric: 46.1% (9.72 TWh) Natural Gas: 27.1% (5.71 TWh) Wind: 14.7% (3.10 TWh) Solar: 9.2% (1.93 TWh) Bioenergy: 2.4% (0.51 TWh) Geothermal & Other: 0.5% (0.11 TWh)
GRID TELEMETRY · 2025 GENERATION MIX & 2000-2025 SERIES

Idaho (ID) Electricity Generation by Source (2025)

2025 Total Output: 21.10 TWh · Carbon Intensity: 156 gCO2/kWh

Hydroelectric
9.72 TWh 46.1%
Natural Gas
5.71 TWh 27.1%
Wind
3.10 TWh 14.7%
Solar
1.93 TWh 9.2%
Bioenergy
0.51 TWh 2.4%
Geothermal & Other
0.11 TWh 0.5%
Oil & Other Fossil
0.03 TWh 0.1%
Source: Ember Yearly Electricity Data & U.S. EIA · Unit: Terawatt-hours (TWh) #1 Power Source: Hydroelectric (46.1% of grid)

Idaho Historical Electricity Generation by Fuel (2001-2025)

Year Total (TWh) Coal Gas Nuclear Hydro Wind Solar Clean % gCO2/kWh
2025 21.10 0.00 5.71 0.00 9.72 3.10 1.93 72.8% 156
2024 20.33 0.00 6.29 0.00 9.15 3.02 1.29 68.7% 174
2023 18.10 0.00 5.69 0.00 8.38 2.32 1.09 68.2% 178
2022 16.48 0.01 4.34 0.00 8.36 2.44 0.71 73.3% 154
2021 16.98 0.02 4.94 0.00 8.00 2.68 0.68 70.5% 168
2020 17.82 0.02 4.16 0.00 9.51 2.77 0.65 76.3% 141
2019 18.53 0.02 4.27 0.00 10.33 2.55 0.61 76.5% 140
2018 18.27 0.02 3.28 0.00 11.02 2.66 0.59 81.6% 115
2017 17.48 0.02 3.08 0.00 10.67 2.54 0.48 81.9% 114
2016 15.74 0.03 3.32 0.00 9.03 2.58 0.04 78.3% 132
2015 15.81 0.08 3.80 0.00 8.76 2.27 0.01 74.9% 150
2014 15.33 0.08 2.55 0.00 9.00 2.81 0.00 82.3% 115
2013 15.35 0.09 3.39 0.00 8.47 2.46 0.00 76.8% 142
2012 15.56 0.08 1.90 0.00 10.94 1.89 0.00 86.8% 94
2011 16.59 0.08 1.11 0.00 13.40 1.31 0.00 92.3% 68
2010 12.05 0.09 1.69 0.00 9.15 0.44 0.00 84.6% 108
2009 13.10 0.08 1.64 0.00 10.43 0.31 0.00 86.3% 99
2008 11.97 0.09 1.70 0.00 9.36 0.21 0.00 84.5% 108
2007 11.48 0.08 1.66 0.00 9.02 0.17 0.00 84.2% 110
2006 13.39 0.08 1.30 0.00 11.24 0.17 0.00 89.2% 86
2005 10.82 0.10 1.60 0.00 8.54 0.00 0.00 84.1% 112
2004 10.86 0.10 1.70 0.00 8.46 0.00 0.00 83.0% 117
2003 10.42 0.09 1.37 0.00 8.35 0.00 0.00 85.3% 107
2002 9.79 0.09 0.33 0.00 8.77 0.00 0.00 94.8% 64
2001 9.35 0.07 1.41 0.00 7.22 0.00 0.00 83.0% 120