California Electrical Energy Generation

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Contact:  David Gee | QFERGEN@energy.ca.gov

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

Total Generation

Energy Categories 2011
GWh		 2012
GWh		 2013
GWh		 2014
GWh		 2015
GWh		 2016
GWh		 2017
GWh		 2018
GWh		 2019
GWh		 2020
GWh		 2021
GWh
Total System Electric Generation 293,780 302,184 296,280 296,147 295,878 290,790 292,076 285,757 277,964 273,169 277,205
Total In-State Generation 201,353 199,650 199,616 199,501 196,859 198,464 206,372 195,110 200,735 191,506 193,569
Total CA Hydroelectric 42,737 27,461 24,101 16,482 13,946 28,986 43,303 26,293 38,494 21,414 14,566
CA Large Hydro 35,682 22,737 20,319 13,739 11,569 24,410 36,920 22,043 33,145 17,938 12,036
CA Small Hydro 7,055 4,724 3,782 2,742 2,377 4,576 6,383 4,250 5,349 3,476 2,531
CA Nuclear 36,666 18,491 17,860 17,027 18,525 18,931 17,925 18,268 16,163 16,280 16,477
CA Coal 2,096 1,263 824 802 311 324 305 296 250 317 303
CA Oil 36 49 39 45 54 37 33 35 36 30 39
CA Natural Gas 91,065 121,778 120,866 121,858 117,568 98,886 89,593 90,717 86,157 92,329 97,350
CA Geothermal 12,685 12,733 12,510 12,186 11,994 11,582 11,745 11,528 10,967 11,345 11,116
CA Biomass 6,066 6,211 6,559 6,785 6,367 5,905 5,843 5,919 5,952 5,693 5,439
CA Wind 7,598 9,242 11,964 13,104 12,191 13,499 12,867 14,087 13,688 13,708 14,216
CA Solar PV 223 1,020 3,791 9,143 13,050 17,376 21,886 24,992 26,314 27,728 31,614
CA Solar Thermal 889 867 686 1,624 2,446 2,548 2,464 2,545 2,303 2,277 2,065
CA Petroleum Coke 1,024 318 194 208 229 207 246 207 191 197 204
CA Waste Heat 267 217 222 237 177 182 163 223 220 187 178
Net Imports* 92,427 102,535 96,664 96,646 99,019 92,326 85,704 90,648 77,229 81,663 83,636

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

Non-Commercial Generation

Energy Categories 2011
GWh		 2012
GWh		 2013
GWh		 2014
GWh		 2015
GWh		 2016
GWh		 2017
GWh		 2018
GWh		 2019
GWh		 2020
GWh		 2021
GWh
Total Non-Commerical In-State Generation 99,082 78,145 74,851 67,754 68,319 77,321 84,042 70,863 76,539 64,813 59,345
CA Hydroelectric 34,437 22,693 20,506 14,041 11,957 23,682 34,707 21,608 30,820 18,147 12,501
CA Large Hydro 29,759 19,505 17,906 12,052 10,229 20,678 30,686 18,821 27,514 15,676 10,667
CA Small Hydro 4,679 3,187 2,600 1,990 1,728 3,004 4,021 2,787 3,306 2,471 1,834
CA Nuclear 36,666 18,491 17,860 17,027 18,525 18,931 17,925 18,268 16,163 16,280 16,477
CA Coal - - - - - - - - - - -
CA Oil 30 29 28 30 31 31 31 31 32 25 30
CA Natural Gas 26,692 35,464 34,994 35,041 36,369 33,231 29,914 29,444 28,239 29,001 29,007
CA Geothermal 858 875 817 863 837 819 772 804 656 739 786
CA Biomass 39 39 20 11 8 3 2 4 3 1 1
CA Wind 286 282 259 286 137 179 278 290 262 266 217
CA Solar PV 73 273 368 455 454 446 413 414 365 354 325
CA Solar Thermal - - - - - - - - - - -
CA Petroleum Coke - - - - - - - - - - -
CA Waste Heat - - - - - - - - - - -

Commercial Generation

Energy Categories 2011
GWh		 2012
GWh		 2013
GWh		 2014
GWh		 2015
GWh		 2016
GWh		 2017
GWh		 2018
GWh		 2019
GWh		 2020
GWh		 2021
GWh
Total In-State Generation 102,271 121,504 124,765 131,747 128,539 121,143 122,330 124,246 124,196 126,693 134,224
CA Hydroelectric 8,299 4,768 3,595 2,441 1,989 5,304 8,596 4,685 7,674 3,267 2,065
CA Large Hydro 5,924 3,231 2,413 1,688 1,341 3,732 6,234 3,222 5,631 2,261 1,368
CA Small Hydro 2,376 1,537 1,182 753 648 1,572 2,362 1,463 2,043 1,005 697
CA Nuclear - - - - - - - - - - -
CA Coal 2,096 1,263 824 802 311 324 305 296 250 317 303
CA Oil 6 20 11 15 23 6 2 4 4 5 8
CA Natural Gas 64,374 86,314 85,872 86,816 81,198 65,656 59,679 61,273 57,918 63,328 68,343
CA Geothermal 11,826 11,858 11,693 11,323 11,156 10,763 10,973 10,724 10,311 10,606 10,330
CA Biomass 6,027 6,172 6,539 6,774 6,359 5,903 5,841 5,916 5,950 5,693 5,438
CA Wind 7,312 8,960 11,706 12,818 12,054 13,320 12,590 13,797 13,426 13,442 14,000
CA Solar PV 150 747 3,422 8,688 12,596 16,930 21,473 24,578 25,949 27,374 31,289
CA Solar Thermal 889 867 686 1,624 2,446 2,548 2,464 2,545 2,303 2,277 2,065
CA Petroleum Coke 1,024 318 194 208 229 207 246 207 191 197 204
CA Waste Heat 267 217 222 237 177 182 163 223 220 187 178

Import and Exports

Energy Categories 2011
GWh		 2012
GWh		 2013
GWh		 2014
GWh		 2015
GWh		 2016
GWh		 2017
GWh		 2018
GWh		 2019
GWh		 2020
GWh		 2021
GWh
Total Energy Exports 5,146 4,974 3,281 11,450 10,737 11,812 12,679 12,444 12,405 10,915 8,794
Total Northwest Exports 1,133 761 809 132 132 45 63 44 530 70 425
Total Southwest Exports 4,013 4,213 2,472 11,317 10,605 11,767 12,616 12,400 11,875 10,845 8,369
Total Energy Imports 97,574 107,509 99,945 108,096 109,756 104,138 98,382 103,092 89,634 92,579 92,431
Total Northwest Imports 36,352 40,231 35,897 37,393 35,932 42,423 39,936 39,561 24,461 41,263 32,998
Total Southwest Imports 61,222 67,278 64,048 70,703 73,824 61,715 58,446 63,531 65,173 51,315 59,433
Total Net Energy Imports (Imports less Exports) 92,427 102,535 96,664 96,646 99,019 92,326 85,704 90,648 77,229 81,663 83,636
Total Net Energy Northwest Imports 35,219 39,470 35,088 37,261 35,800 42,378 39,874 39,517 23,930 41,193 32,572
Total Net Energy Southwest Imports 57,209 63,065 61,576 59,386 63,219 49,948 45,830 51,130 53,299 40,471 51,064