California Electrical Energy Generation, Total Production, by Resource Type
(Gigawatt Hours)

Total Generation

Energy Categories2012
GWh
2013
GWh
2014
GWh
2015
GWh
2016
GWh
2017
GWh
2018
GWh
2019
GWh
2020
GWh
2021
GWh
2022
GWh
2023
GWh
2024
GWh
2025
GWh
Total System Electric Generation302,184296,280296,147295,878290,797292,115285,882278,183274,188280,741286,555281,140278,338267,661
Total In-State Generation199,650199,616199,501196,859198,471206,411195,234200,945192,332196,605202,357215,623216,181205,698
Total CA Hydroelectric27,46124,10116,48213,94628,99343,31226,29838,50121,41814,54517,61631,91929,19227,542
CA Large Hydro22,73720,31913,73911,56924,41036,92022,04333,14517,93812,03614,60727,06625,22224,125
CA Small Hydro4,7243,7822,7422,3774,5836,3924,2565,3563,4812,5093,0094,8533,9693,417
CA Nuclear18,49117,86017,02718,52518,93117,92518,26816,16316,28016,47717,62717,71418,37917,575
CA Coal1,263824802311324305296250317303273257263244
CA Oil4939455437333536303965363631
CA Natural Gas121,783120,870121,861117,56898,88389,62090,77986,24892,39497,44596,45794,19286,47974,316
CA Geothermal12,73312,51012,18611,99411,58211,74511,52810,96711,34511,11611,12310,99910,45310,908
CA Biomass6,2046,5536,7796,3625,9025,8385,9155,9565,7205,4725,4125,0374,7544,226
CA Wind9,24211,96413,10412,19113,49912,86714,08713,68813,70815,33914,09513,92015,76115,171
CA Solar PV1,0233,7949,14513,05517,38321,89325,05526,42328,45833,42237,27139,42048,60253,642
CA Solar Thermal8676861,6242,4462,5482,4642,5452,3032,2772,0652,1021,9232,0641,886
CA Petroleum Coke318194208229207246207191197204100---
CA Waste Heat217222237177182163223220187178215206198157
Net Imports*102,53596,66496,64699,01992,32685,70490,64877,23781,85684,13684,19865,51862,15761,964

* Note - An annual summary of imports by fuel type can be found on the Total System Electric Generation webpage.

Non-Commercial Generation

Energy Categories2012
GWh
2013
GWh
2014
GWh
2015
GWh
2016
GWh
2017
GWh
2018
GWh
2019
GWh
2020
GWh
2021
GWh
2022
GWh
2023
GWh
2024
GWh
2025
GWh
Total Non-Commerical In-State Generation78,14574,85167,75468,31977,32184,04270,86376,53964,81359,34962,70171,86471,45166,464
CA Hydroelectric22,69320,50614,04111,95723,68234,70721,60830,82018,14712,50115,13925,57524,69023,566
CA Large Hydro19,50517,90612,05210,22920,67830,68618,82127,51415,67610,66712,99822,41722,20221,400
CA Small Hydro3,1872,6001,9901,7283,0044,0212,7873,3062,4711,8342,1413,1582,4872,166
CA Nuclear18,49117,86017,02718,52518,93117,92518,26816,16316,28016,47717,62717,71418,37917,575
CA Coal------------ -
CA Oil2928303131313132253032303029
CA Natural Gas35,46434,99435,04136,36933,23129,91429,44428,23929,00129,00728,72027,72727,40524,334
CA Geothermal875817863837819772804656739786762517623661
CA Biomass39201183243111040
CA Wind28225928613717927829026226622112761111116
CA Solar PV273368455454446413414365354325293240209183
CA Solar Thermal--------------
CA Petroleum Coke--------------
CA Waste Heat--------------

Commercial Generation

Energy Categories2012
GWh
2013
GWh
2014
GWh
2015
GWh
2016
GWh
2017
GWh
2018
GWh
2019
GWh
2020
GWh
2021
GWh
2022
GWh
2023
GWh
2024
GWh
2025
GWh
Total In-State Generation121,504124,765131,747128,539121,150122,369124,371124,406127,519137,256139,656143,759144,730139,231
CA Hydroelectric4,7683,5952,4411,9895,3118,6054,6917,6823,2712,0442,4776,3444,5023,976
CA Large Hydro3,2312,4131,6881,3413,7326,2343,2225,6312,2611,3681,6094,6493,0202,725
CA Small Hydro1,5371,1827536481,5792,3711,4692,0501,0106758681,6961,4821,251
CA Nuclear------------- -
CA Coal1,263824802311324305296250317303273257263244
CA Oil2011152362445833652
CA Natural Gas86,31985,87686,82081,19965,65259,70761,33558,00963,39368,43867,73866,46459,07449,982
CA Geothermal11,85811,69311,32311,15610,76310,97310,72410,31110,60610,33010,36110,4829,83010,247
CA Biomass6,1646,5326,7676,3545,8995,8365,9115,9535,7195,4705,4115,0374,7504,225
CA Wind8,96011,70612,81812,05413,32012,59013,79713,42613,44215,11813,96813,85915,65015,056
CA Solar PV7503,4268,69112,60016,93721,48024,64026,05828,10433,09836,97839,18048,39453,459
CA Solar Thermal8676861,6242,4462,5482,4642,5452,3032,2772,0652,1021,9232,0641,886
CA Petroleum Coke318194208229207246207191197204100---
CA Waste Heat217222237177182163223220187178215206198157

Import and Exports

Energy Categories2012
GWh
2013
GWh
2014
GWh
2015
GWh
2016
GWh
2017
GWh
2018
GWh
2019
GWh
2020
GWh
2021
GWh
2022
GWh
2023
GWh
2024
GWh
2025
GWh
Total Energy Exports4,9743,28111,45010,73711,81212,67912,44412,40510,9158,7949,52110,88215,07913,420
Total Northwest Exports761809132132456344530704251,1792,0792,6073,204
Total Southwest Exports4,2132,47211,31710,60511,76712,61612,40011,87510,8458,3698,3438,80312,47210,216
Total Energy Imports107,50999,945108,096109,756104,13898,382103,09289,64292,77192,93093,71976,40077,23675,384
Total Northwest Imports40,23135,89737,39335,93242,42339,93639,56124,46141,26332,99835,35918,00418,42023,161
Total Southwest Imports67,27864,04870,70373,82461,71558,44663,53165,18251,50859,93258,36058,39658,81652,223
Total Net Energy Imports (Imports less Exports)102,53596,66496,64699,01992,32685,70490,64877,23781,85684,13684,19865,51862,15761,964
Total Net Energy Northwest Imports39,47035,08837,26135,80042,37839,87439,51723,93041,19332,57234,18015,92515,81319,957
Total Net Energy Southwest Imports63,06561,57659,38663,21949,94845,83051,13053,30740,66351,56450,01749,59346,34442,007