Table 5. Trends in electricity emission factor according to energy mix in Korea (2001-2035)

Years	Hydro		Steam			CHP	Nuclear	Renewables	Clean hydrogen	Etc	Loss rate (%)	Carbon intensity (kgCO₂/kWh)
Years	Pumping	Hydro	Coal	Oil	LNG	CHP	Nuclear	Renewables	Clean hydrogen	Etc	Loss rate (%)	Carbon intensity (kgCO₂/kWh)
2001	1,820,814	2,329,939	112,257,472	21,947,278	1,556,930	29,032,971	112,133,032	0	0	0	4.50	0.6662
2002	2,078,269	3,232,777	119,665,213	17,846,086	1,771,207	38,336,951	119,102,904	0	0	0	4.48	0.6536
2003	2,001,406	4,885,577	121,931,426	17,033,990	1,674,183	40,374,646	129,671,762	0	0	0	4.43	0.6308
2004	1,550,355	4,311,080	128,547,386	16,490,902	733,317	59,004,479	130,714,815	350,183	0	0	4.46	0.6347
2005	1,515,588	3,673,300	134,891,722	16,104,447	786,366	60,215,442	146,779,022	404,100	0	0	4.51	0.6183
2006	1,751,083	3,467,538	140,345,973	14,984,083	1,258,155	69,735,073	148,748,887	511,223	0	0	4.02	0.6187
2007	1,410,813	3,631,649	155,684,636	16,281,093	2,027,701	79,490,558	142,937,163	830,824	0	0	3.99	0.6510
2008	2,492,539	3,070,111	174,156,029	8,484,271	1,517,763	79,573,774	150,957,935	1,373,424	0	0	4.01	0.6570
2009	2,827,991	2,813,171	193,803,290	12,667,052	761,682	70,313,007	147,770,806	1,790,608	0	0	4.07	0.6967
2010	2,789,934	3,681,969	198,287,359	11,605,066	2,287,541	102,092,371	148,595,711	4,478,057	0	0	4.00	0.6847
2011	3,232,985	4,597,667	199,515,847	10,276,871	2,232,618	113,908,450	154,723,106	7,592,387	0	0	3.69	0.6667
2012	3,683,262	3,969,039	199,329,719	14,305,490	3,452,866	123,794,670	150,327,293	8,617,868	0	0	3.57	0.6732
2013	4,104,661	4,289,268	201,118,833	14,681,469	3,525,889	138,803,180	138,783,973	10,159,658	0	0	3.73	0.6858
2014	5,068,129	2,751,418	203,765,391	7,494,267	568,123	130,659,560	156,406,511	14,695,690	0	0	3.69	0.6580
2015	3,650,320	2,145,719	207,333,695	9,465,170	222,471	122,617,096	164,762,415	17,317,948	0	0	3.60	0.6518
2016	3,787,310	2,846,262	209,200,166	13,627,966	368,541	129,459,414	161,995,104	18,935,660	0	0	3.59	0.6573
2017	4,186,353	2,808,821	231,886,590	5,738,115	220,183	135,813,455	148,426,725	24,145,361	0	0	3.57	0.6844
2018	3,911,035	3,359,418	231,653,039	6,373,700	0	163,868,529	133,505,261	27,176,674	0	0	3.56	0.6912
2019	3,458,385	2,788,679	219,075,950	2,421,389	0	156,346,907	145,909,669	30,526,256	0	1,366,662	3.54	0.6576
2020	3,271,019	3,877,230	187,335,442	1,908,617	586,627	157,326,509	160,183,721	31,056,508	0	4,940,046	3.54	0.5998
2021	3,682,932	3,054,502	188,904,590	1,984,550	1,176,921	178,684,044	158,015,230	39,101,556	0	1,181,224	3.53	0.6002
2022	3,715,049	3,541,179	186,747,556	921,839	1,377,345	173,154,543	176,054,012	47,266,256	0	1,171,543	3.53	0.5726
2023	3,783,877	3,716,438	179,264,485	389,789	878,108	166,760,505	180,494,096	50,455,722	0	1,172,535	3.53	0.5568
2024	4,677,237	4,300,313	161,740,312	328,606	586,426	176,113,660	188,754,102	56,537,104	0	1,228,578	3.52	0.5238
2030	9,200,000		110,500,000			161,000,000	204,200,000	130,400,000	15,500,000	11,800,000	3.52	0.3871
2035	13,400,000		88,900,000			101,100,000	236,000,000	190,800,000	32,800,000	28,500,000	3.52	0.3176

1) CHP means combined heat and power plant, and Etc refers to waste-derived energy.