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U.S. RANK #12 · AZ 0.39% OF U.S. GENERATION

Arizona Electricity Generation & Grid Mix

In 2025, Arizona (AZ) generated 122.6 TWh of electricity (0.39% of U.S. generation, ranked #12 among U.S. states). Its #1 electricity source was Natural Gas at 52.73 TWh (43.0% of state output), while low-carbon sources supplied 49.8%.

2025 Generation 122.6 TWh U.S. Rank #12
#1 Power Source Natural Gas 43.0% (52.7 TWh)
Low-Carbon Share 49.8% Wind + Solar: 20.0%
Fossil Share 50.2% 5Y Gen Change: +9.3%
CO2 Intensity 283 gCO2/kWh 34.7 Mt CO2 total
2025 Arizona Grid Fuel Mix Breakdown (100% = 122.6 TWh)
Natural Gas: 43.0% (52.73 TWh) Nuclear: 25.6% (31.32 TWh) Solar: 17.4% (21.40 TWh) Coal: 7.5% (9.22 TWh) Hydroelectric: 4.1% (5.01 TWh) Wind: 2.6% (3.15 TWh)
GRID TELEMETRY · 2025 GENERATION MIX & 2000-2025 SERIES

Arizona (AZ) Electricity Generation by Source (2025)

2025 Total Output: 122.6 TWh · Carbon Intensity: 283 gCO2/kWh

Natural Gas
52.73 TWh 43.0%
Nuclear
31.32 TWh 25.6%
Solar
21.40 TWh 17.4%
Coal
9.22 TWh 7.5%
Hydroelectric
5.01 TWh 4.1%
Wind
3.15 TWh 2.6%
Bioenergy
0.21 TWh 0.2%
Source: Ember Yearly Electricity Data & U.S. EIA · Unit: Terawatt-hours (TWh) #1 Power Source: Natural Gas (43.0% of grid)

Arizona Historical Electricity Generation by Fuel (2001-2025)

Year Total (TWh) Coal Gas Nuclear Hydro Wind Solar Clean % gCO2/kWh
2025 122.6 9.22 52.73 31.32 5.01 3.15 21.40 49.8% 283
2024 121.47 9.81 55.09 32.39 5.38 2.54 16.27 46.7% 299
2023 116.71 12.07 52.82 31.52 6.07 1.73 12.31 44.4% 317
2022 108.69 13.45 45.05 31.94 5.39 1.56 11.06 46.2% 315
2021 111.98 14.30 48.05 31.63 6.06 1.60 10.08 44.3% 325
2020 112.22 13.75 50.78 31.55 6.49 0.64 8.75 42.5% 331
2019 116.12 23.22 46.08 31.92 6.21 0.55 7.85 40.3% 367
2018 114.19 30.74 37.17 31.10 6.98 0.53 7.41 40.5% 389
2017 107.74 31.40 29.59 32.34 6.79 0.57 6.83 43.4% 383
2016 110.37 30.40 34.18 32.38 7.23 0.54 5.37 41.4% 386
2015 114.51 36.17 33.66 32.53 6.61 0.45 4.83 39.0% 411
2014 113.36 42.67 27.24 32.32 6.13 0.47 4.24 38.3% 434
2013 113.33 43.49 29.68 31.43 5.94 0.45 2.11 35.4% 449
2012 110.91 40.12 30.30 31.93 6.80 0.53 0.96 36.5% 437
2011 108.13 43.70 23.25 31.28 9.30 0.26 0.08 38.0% 443
2010 111.75 43.64 29.68 31.20 6.83 0.13 0.02 34.3% 456
2009 111.97 39.71 34.74 30.66 6.60 0.03 0.01 33.5% 448
2008 119.46 43.84 38.82 29.25 7.38 0.00 0.01 30.8% 465
2007 113.35 41.28 38.47 26.78 6.72 0.00 0.01 29.6% 470
2006 104.4 40.44 32.87 24.01 6.94 0.00 0.01 29.7% 477
2005 101.48 40.14 28.89 25.81 6.52 0.00 0.01 31.9% 469
2004 104.56 39.81 28.26 28.11 6.92 0.00 0.00 33.5% 459
2003 94.40 38.09 18.93 28.58 7.36 0.00 0.00 38.1% 445
2002 94.13 38.23 17.29 30.86 7.55 0.00 0.00 40.9% 430
2001 89.92 40.06 12.87 28.72 7.90 0.00 0.00 40.8% 444