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State Profile and Energy Estimates

Changes to the State Energy Data System (SEDS) Notice: In October 2023, we updated the way we calculate primary energy consumption of electricity generation from noncombustible renewable energy sources (solar, wind, hydroelectric, and geothermal). Visit our Changes to 1960—2022 conversion factor for renewable energy page to learn more.

Table CT1. Energy Consumption Estimates for Selected Energy Sources in Physical Units, 1960-2021, Connecticut

Table CT1. Energy Consumption Estimates for Selected Energy Sources in Physical Units, 1960-2021, Connecticut







Year




Coal



Natural
Gas a
Petroleum


Nuclear
Electric Power


Hydro-
electric
Power g



Fuel
Ethanol h




Biodiesel

Distillate
Fuel Oil b


HGL c

Jet
Fuel d

Motor
Gasoline e

Residual
Fuel Oil


Other f


Total
Thousand
Short Tons
Billion
Cubic Feet

Thousand Barrels

Million Kilowatthours

Thousand Barrels
1960 3,851 28 23,369 1,092 1,129 19,349 14,622 3,678 63,238 0 424 NA NA
1961 4,067 30 23,370 1,104 1,098 19,780 14,877 3,625 63,854 0 367 NA NA
1962 4,233 32 23,238 1,241 1,191 20,628 15,996 3,822 66,116 0 295 NA NA
1963 4,452 35 22,936 1,431 1,204 21,380 16,275 3,262 66,488 0 278 NA NA
1964 4,620 38 20,523 1,509 1,169 21,998 19,674 3,111 67,983 0 269 NA NA
1965 4,957 41 21,186 1,383 1,411 22,933 17,159 3,625 67,696 0 187 NA NA
1966 5,285 48 20,172 1,460 1,542 23,988 20,801 3,971 71,933 0 253 NA NA
1967 4,276 50 20,783 1,521 1,700 24,519 25,385 3,505 77,414 524 394 NA NA
1968 3,248 53 22,324 1,712 2,336 26,164 28,003 3,760 84,299 3,004 358 NA NA
1969 2,437 57 23,128 1,908 2,630 27,191 32,426 3,806 91,089 3,639 425 NA NA
1970 2,060 61 24,117 1,854 2,897 28,638 35,595 3,482 96,584 3,604 329 NA NA
1971 1,555 61 24,101 1,879 2,191 29,539 33,819 2,731 94,260 7,767 391 NA NA
1972 184 64 24,773 2,112 2,809 30,806 40,697 3,129 104,327 7,777 538 NA NA
1973 112 63 25,440 2,176 2,509 31,594 43,290 2,983 107,993 4,303 447 NA NA
1974 276 66 23,201 2,137 2,434 31,504 37,632 2,466 99,374 7,970 428 NA NA
1975 55 64 21,613 2,209 2,124 31,822 32,512 2,537 92,817 8,135 493 NA NA
1976 49 66 24,216 2,390 1,946 32,626 32,800 2,797 96,776 12,330 383 NA NA
1977 48 64 23,774 2,420 2,167 33,119 32,164 2,466 96,111 13,174 431 NA NA
1978 33 65 23,577 2,187 2,128 33,225 34,224 2,679 98,019 13,863 359 NA NA
1979 44 68 28,484 1,470 2,382 31,492 26,913 2,268 93,010 12,706 461 NA NA
1980 16 73 22,304 1,501 1,973 30,205 29,334 2,097 87,413 11,835 256 NA NA
1981 38 77 19,724 1,336 1,580 30,252 21,540 2,220 76,651 12,673 260 26 NA
1982 31 78 20,505 1,418 1,076 30,055 21,291 2,074 76,419 13,625 371 11 NA
1983 29 74 16,904 1,426 957 30,534 23,325 1,969 75,115 11,588 378 3 NA
1984 59 81 20,551 1,401 1,005 30,855 25,087 2,693 81,592 14,292 377 12 NA
1985 815 78 20,680 1,283 1,085 30,999 21,040 3,719 78,806 12,721 264 31 NA
1986 809 79 22,427 1,134 1,255 31,860 22,279 3,469 82,425 18,667 373 12 NA
1987 815 92 23,642 1,558 1,784 32,428 18,951 3,562 81,924 20,540 343 0 NA
1988 881 88 25,577 1,518 2,156 32,838 21,861 3,379 87,328 22,251 330 0 NA
1989 903 99 27,656 1,586 2,242 32,273 22,157 3,254 89,167 19,563 442 0 NA
1990 1,493 105 23,264 1,592 2,344 31,140 16,554 2,742 77,636 19,776 571 0 NA
1991 1,499 112 22,282 1,485 2,246 31,870 14,526 3,099 75,508 12,243 433 32 NA
1992 1,523 123 25,063 1,885 2,293 32,596 10,865 2,659 75,360 16,771 424 134 NA
1993 1,474 123 23,123 1,684 2,312 33,103 8,820 2,600 71,643 21,802 415 163 NA
1994 1,512 130 22,035 1,487 2,452 32,668 7,567 2,682 68,891 20,160 481 110 NA
1995 1,594 141 21,322 1,410 2,489 30,591 6,803 2,888 65,503 18,749 364 24 NA
1996 1,606 135 22,170 1,517 2,718 32,663 10,407 2,689 72,165 6,225 626 80 NA
1997 1,745 145 22,176 1,732 2,372 32,934 14,673 2,411 76,299 -125 447 85 NA
1998 1,272 132 19,886 2,243 2,214 33,589 14,982 1,960 74,875 3,243 448 82 NA
1999 619 152 22,407 1,673 2,456 36,283 14,429 2,090 79,338 12,675 422 87 NA
2000 1,477 160 23,578 2,130 2,599 34,933 11,835 2,171 77,245 16,365 526 97 NA
2001 1,627 146 24,817 2,422 2,356 35,437 9,033 1,816 75,880 15,428 286 29 1
2002 1,512 178 22,382 2,065 2,201 37,436 4,437 1,540 70,062 14,918 335 84 1
2003 2,055 154 26,670 2,954 2,108 40,498 4,692 2,853 79,776 16,078 564 501 1
2004 2,136 163 28,850 3,057 2,382 43,565 4,093 3,094 85,041 16,539 463 3,681 2
2005 2,076 168 26,518 3,973 2,461 38,601 6,609 3,651 81,814 15,562 478 983 6
2006 2,248 173 24,317 3,698 2,249 37,710 3,071 3,159 74,204 16,589 544 2,872 19
2007 1,939 180 24,281 3,364 2,056 37,906 2,793 2,004 72,403 16,386 363 3,503 25
2008 2,221 167 22,956 2,371 1,908 36,236 1,154 889 65,513 15,433 556 2,910 22
2009 1,196 185 21,967 2,627 1,408 36,241 777 2,680 65,700 16,657 510 3,503 23
2010 1,366 199 20,947 2,461 1,938 35,726 876 2,735 64,682 16,750 391 3,791 19
2011 325 230 19,960 2,674 1,995 34,768 332 2,462 62,191 15,928 567 3,592 63
2012 415 229 18,326 2,310 2,123 34,100 219 1,988 59,066 17,078 312 3,453 52
2013 419 234 19,320 2,813 1,548 34,183 346 2,357 60,567 17,080 402 3,521 259
2014 499 236 19,347 2,790 1,786 33,755 659 2,292 60,630 15,841 434 3,507 235
2015 359 254 20,047 3,064 1,571 35,189 427 1,757 62,055 17,411 302 3,667 281
2016 128 248 16,452 2,790 1,657 35,817 120 2,172 59,008 16,575 224 3,710 413
2017 137 240 16,339 2,934 2,152 35,671 221 2,254 [R ] 59,571 [R ] 16,500 332 3,713 434
2018 221 278 18,626 3,192 2,503 35,851 340 2,146 [R ] 62,659 [R ] 16,881 555 3,700 257
2019 48 285 17,938 3,142 1,984 [R ] 35,446 40 2,044 [R ] 60,594 [R ] 16,733 428 3,725 197
2020 4 289 16,358 2,991 1,052 [R ] 29,584 70 2,054 [R ] 52,109 [R ] 15,715 326 3,138 202
2021 158 298 18,509 3,045 1,549 32,269 100 1,545 57,017 17,217 478 3,445 188
aIncludes supplemental gaseous fuels that are commingled with natural gas. hIncludes denaturant. Because of differences in data sources and estimation methods, the ratio of fuel ethanol
consumption and motor gasoline consumption should not be interpreted as the average ethanol blend rate.
bBeginning in 2009, includes biodiesel blended into distillate fuel oil. Beginning in 2011, includes renewable diesel
blended into distillate fuel oil. Excludes biofuels product supplied.
NA = Not available.
cHydrocarbon gas liquids, include natural gas liquids and refinery olefins. Where shown, R = Revised data and (s) = Value less than 0.5.
dThrough 2004, includes kerosene-type and naphtha-type jet fuel. Beginning in 2005, includes kerosene-type jet fuel only;
naphtha-type jet fuel is included in "Other Petroleum."
Notes: Totals may not equal sum of components due to independent rounding. · The continuity of these data series
estimates may be affected by changing data sources and estimation methodologies. See the Technical Notes for each type
of energy.
eBeginning in 1993, includes fuel ethanol blended into motor gasoline. Web Page: All data are available at https://www.eia.gov/state/seds/seds-data-complete.php.
fIncludes asphalt and road oil, aviation gasoline, kerosene, lubricants, petroleum coke, and the “other petroleum products”
category. See Technical Notes, Section 4.
Data Source: U.S. Energy Information Administration, State Energy Data System. See Technical Notes.
http://www.eia.gov/state/seds/
gConventional hydroelectric power. For 1960 through 1989, includes hydroelectric pumped-storage, which cannot be
separately identified.