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Power companies by fleet capacity

Owner portfolios across the world's power plants — capacity, fleet size and source-labelled CO₂. All 406 operators with two or more plants, ranked by installed capacity.

#CompanyPlantsMWt CO₂/yr
1China Huaneng Group Corporation (CHNG)4164,104250,130,290
2Tokyo2859,8453,716,820
3Saudi Electricity Company (SEC)5357,629141,532,299
4China Guodian Group Corporation4856,374212,592,900
5Eskom2545,098184,260,328
6Huadian Power International Company Limited3942,568183,929,600
7CFE6638,80788,751,781
8Tennessee Valley Authority5536,94322,248,524
9China Resources Power Holdings Co Ltd3235,780151,652,800
10Hydro-Québec6135,162
11Kansai2132,18121,883,680
12Chubu2130,553322,880
13Florida Power & Light Co3228,1893,286,219
14Shenhua Guohua Electric Power Corporation1326,530111,127,000
15PJSC "RusHydro"5625,738
16Shenhua Guoneng Energy Group2324,25298,950,430
17China Huadian Group Corporation2024,21071,907,610
18Duke Energy Carolinas LLC4324,09912,238,704
19Saudi Electricity Co1723,96266,599,240
20Korea Hydro and Nuclear1223,420
21Virginia Electric & Power Co3823,0668,392,747
22Exelon Nuclear1222,817
23China Power Investment Corporation (CPI)1621,915108,761,310
24Vietnam Electricity (EVN)3521,717
25Georgia Power Co4321,2561,657,297
26JSC INTER RAO-Electric Power Generation1619,889
27ENEL1919,399923,003
28IBERDROLA GENERACION S.A.4218,212
29Electric Generating Authority of Thailand2217,977
30RWE Power AG2016,302548,500
31Huaneng Shandong Power Co Ltd1416,14052,953,990
32Datang International Power Generation Co Ltd1115,98047,500,730
33North United Power Co Ltd1515,91070,389,700
34Tohoku1515,64231,192,110
35Zhejiang Zheneng Electric Power Co Ltd915,56065,128,900
36Kyushu1815,49829,032,290
37Guangdong Electric Power Development Co Ltd1415,16057,342,180
38Adani Power Ltd1014,76377,028,900
39Duke Energy Progress - (NC)2014,7606,963,454
40U S Bureau of Reclamation5714,681
41Polska Grupa Energetyczna SA2114,57918,454,655
42Vattenfall Europe Generation AG2114,1759,058,490
43ENDESA GENERACION S.A.5713,746
44Iraq's Ministry of Electricity1913,487
45PJSC "IRKUTSKENERGO"1513,198
46USACE Northwestern Division2113,111
47SDIC Huajing Power Holdings Co Ltd613,10664,637,300
48CFE/PIE2912,95328,914,920
49Korea Southern Power1212,95231,516,560
50Southern Power Co4712,91812,286,507
51Alabama Power Co2512,913442,378
52Entergy Louisiana LLC1612,81613,505,776
53PacifiCorp5812,7716,558,294
54PJSC "Mosenergo"1112,746
55Uzbekenergo1512,540
56CEZ Group2112,5151,088,931
57BC Hydro3212,383
58Korea Western Power912,26952,491,170
59Duke Energy Florida LLC1811,89714,029,513
60DTE Electric Company3311,82513,553,777
61Israel Electric corporation1711,730
62Union Electric Co - (MO)1911,4293,481,381
63Arizona Public Service Co2311,42610,877,602
64MidAmerican Energy Co4511,3956,605,554
65Luminant Generation Company LLC1210,96614,300,766
66Maharashtra State Power Generation Co Ltd810,42252,557,200
67Korea South East Power (KOSEP)510,24529,085,310
68GAS NATURAL FENOSA GENERACION S.L.U.299,9161,819,885
69CPI Henan Electric Power Co Ltd79,88034,060,300
70Northern States Power Co - Minnesota409,735999,511
71Korea Midland Power (KOMIPO)69,65733,935,700
72EDF709,536
73Shanxi Datang International Power Generation Co Ltd69,40026,256,600
74RWE npower399,387
75DEWA109,23657,420,500
76Entergy Arkansas LLC99,2056,429,558
77Oklahoma Gas & Electric Co148,9642,968,761
78Korea East West Power68,80131,849,070
79Guangdong Yudean Group Co Ltd58,66020,773,200
80Hebei Construction Energy Investment Co Ltd88,49035,363,700
81Tampa Electric Co138,4074,861,640
82100% Vattenfall658,307
83EÜAŞ88,2798,690,920
84Los Angeles Department of Water & Power338,2756,730,435
85Exelon Power218,1537,243,637
86Salt River Project188,12124,937,312
87Shanxi International Energy Co Ltd98,10021,151,270
88Invenergy Services LLC397,9831,550,284
89HOKKAIDO ELECTRIC POWER CO INC187,90114,127,580
90Shenzhen Energy Group Co Ltd87,80324,411,880
91Water and Power Development Authority (WAPDA)107,792
92Pacific Gas & Electric Co.817,6692,627,853
93PJSC "TGC-1"487,625
94Consumers Energy Co297,572
95Chugoku87,54318,483,550
96Duke Energy Indiana LLC167,394859,869
97Beijing Energy Investment Holding Co Ltd67,37025,815,900
98Avangrid Renewables LLC597,071
99Public Service Co of Colorado197,05710,441,413
100Fortum636,786179,100
101Appalachian Power Co186,6564,870,115
102Datang Shaanxi Power Generation Co Ltd76,59523,844,400
103Damodar Valley Corp86,59056,340,320
104E.On166,5852,609,734
105Saline Water Conversion Corporation (SWCC)66,58019,132,600
106Rajasthan Rajya Vidyut Utpadan Nigam Ltd56,51034,276,500
107Shikoku66,48813,516,230
108CPI Northeast Power Co Ltd86,47024,774,010
109U.P. Rajya Vidyut Utpadan Nigam Ltd66,45945,015,800
110New York Power Authority206,3981,479,960
111EPDC126,322
112General Electricity Company of Libya126,231
113E.ON Kraftwerke GmbH386,226
114Guodian Longhua Power Co Ltd76,17013,756,710
115City of San Antonio - (TX)96,1663,753,882
116Dominion Energy South Carolina Inc176,1553,322,635
117Hokuriku Electric Power Co66,14612,224,560
118Oglethorpe Power Corporation105,9786,197,590
119Verbund835,93085,265
120AzerEnerji145,764
121Dnipro-SHEM PJSC105,729
122Wisconsin Electric Power Co275,710714,023
123Southwestern Electric Power Co115,70412,698,565
124Gujarat State Electricity Corporation Ltd95,68222,328,340
125Kentucky Utilities Co75,66311,441,845
126RWE Renewables Americas LLC355,630
127Associated Electric Coop Inc95,54816,065,206
128Nevada Power Co105,5431,203,176
129Evergy Metro85,52013,991,110
130Basin Electric Power Coop175,49211,610,102
131Louisville Gas & Electric Co65,4727,214,107
132PLN - Java Bali Generation Unit / PT. PJB185,405
133Edipower65,3124,072,308
134JSC "FAR EASTERN GK" (JSC "DGK")145,272
135ENDESA225,259854,148
136Cleco Power LLC75,1892,484,814
137South Carolina Public Service Authority145,1742,783,276
138Tata Power Company Ltd55,01825,772,764
139IPP204,955
140Indiana Michigan Power Co144,925
141PLN - PT. Indonesia Power174,793
142Datang Gansu Power Generation Co Ltd54,77010,722,400
143Southwestern Public Service Co84,7448,128,068
144Snowy Hydro Ltd114,73183,436
145Public Service Co of Oklahoma74,7292,141,203
146PSEG Fossil LLC64,6914,279,580
147TAURON Wytwarzanie S.A.94,68311,904,562
148EDF Renewable Asset Holdings Inc.424,658
149Korea Electric Power Company114,574
150Shanxi Zhangze Electric Power Co Ltd54,32020,027,300
151Petróleo Brasileiro SA144,2874,073,907
152PREPA134,257
153Âmbar Energia SA114,2216,047,386
154Mississippi Power Co54,2009,146,586
155AES114,172
156Delta Electricity54,1146,539,361
157Portland General Electric Co184,109
158LLC "Bashkir Generation Company"124,033
159CPI Jilin Power Share Co Ltd54,03013,451,600
160Lower Colorado River Authority114,0289,824,540
161National Grid Generation LLC133,947488,271
162VIESGO GENERACION S.L.113,934
163Tamil Nadu Power Distribution Corp Ltd83,90830,407,498
164Interstate Power and Light Co183,8662,602,241
165Wisconsin Power & Light Co123,82310,278,387
166EnBW Energie Baden-Württemberg AG173,8126,276,700
167Karnataka Power Corporation Limited63,80116,003,170
168Datang Jilin Power Generation53,80015,232,900
169Korea District Heating Corp103,6877,560,704
170HIDROELECTRICA DEL CANTABRICO S.A.93,6832,394,180
171AGL Energy Pty Ltd343,6701,889,570
172East Kentucky Power Coop Inc113,658762,986
173Edison103,620
174Saskatchewan Power Corp153,586
175Public Power Company of Greece103,582
176TransAlta123,489726,900
177Northern Indiana Pub Serv Co63,4174,456,754
178Stanwell Corporation Ltd93,40516,651,235
179Ontario Power Generation Inc103,400
180Ceylon Electricity Board293,377
181Entergy Mississippi LLC63,3283,069,014
182Elektrik Uretim AŞ63,2054,491,192
183COLBUN S.A.193,200
184CS Energy63,19923,246,538
185Origin Energy113,143340,772
186Unión Eléctrica103,113
187Orsted (formerly Dong Energy)123,066
188Nebraska Public Power District123,0087,302,040
189Saudi Aramco92,9966,309,380
190Comisión Federal de Electricidad EPE82,9928,205,830
191GDF-SUEZ182,986
192Puget Sound Energy Inc172,9582,971,910
193Vattenfall112,908323,488
194Office National de l\'Electricite (ONE)242,881
195Omaha Public Power District62,8547,777,898
196Great River Energy102,826239,594
197PJSC "Quadra - Power Generation"182,812
198TRUenergy62,8108,891,514
199Tri-State G & T Assn Inc92,7916,121,057
200Tihama Power Generation Company72,78610,754,800
201AES ARGENTINA GENERACION S.A.112,761
202Meridian Energy112,755
203Ningxia Electric Power Group Co Ltd62,74010,741,600
204Haryana Power Generation Co Ltd52,73216,751,946
205POSCO52,6554,453,900
206Consolidated Edison Development Inc.642,63330,436
207Southern California Edison Co612,582100,767
208Idaho Power Co222,561407,421
209Verve Energy212,52910,159,576
210Pattern Operators LP142,525
211Wisconsin Public Service Corp192,483327,452
212Tucson Electric Power Co72,4308,007,908
213Lalitpur Power Generation Co Ltd62,43013,754,137
214ZESCO122,330
215Hydro-Electric Corporation (Tasmania)322,311
216Saudi Arabian Oil Co52,2485,712,980
217Summit Corporation Limited112,240
218Arkansas Electric Coop Corp102,1752,062,612
219UNION ELECTRICA DE CANARIAS GENERACION S.A.U.102,15843,060
220Sacramento Municipal Util Dist142,096111,888
221Calpine Mid-Atlantic Generation LLC82,0444,329,955
222EPEC192,026
223ALLETE Inc.201,9505,286,205
224PLN111,930
225Gulf Power Co51,8581,602,401
226Landsvirkjun131,791
227Hoosier Energy R E C Inc161,779108,324
228Dominion Renewable Energy461,693
229Scottish Power Renewables211,69310,422
230PGE341,637
231Avista Corp131,622436,177
232Kenya Electric Generating Company161,620
233Empire District Electric Co51,5981,061,791
234TransCanada Energy Ltd131,594
235Alinta Energy91,5501,402,818
236NRG Energy Gas & Wind Holdings Inc211,543
237Scottish and Southern Energy (SSE)501,536
238Leeward Asset Management LLC161,472
239Enel Green Power NA Inc.281,443
240Western Farmers Elec Coop Inc101,4401,384,575
241Mercury Energy121,434
242Cypress Creek Renewables1851,38348,735
243Sustainable Power Group LLC931,355
244Empresa Nacional De Energia Electrica161,352
245Pemex81,3441,667,747
246Otter Tail Power Co101,29588,210
247American Mun Power-Ohio Inc271,2941,570,068
248Capital Power101,233
249Southern Indiana Gas & Elec Co71,2283,741,578
250PLN-South Sumatera Generation Unit111,215
251Novatus Energy81,1644,253,700
252National Bio Energy Group Ltd361,106
253City Utilities of Springfield - (MO)51,0882,073,161
254ENARSA111,084
255Eagle 2 US LLC51,0691,753,660
256Eneco61,0661,024,250
257Algonquin Power261,064
258TransAlta (100%)231,006
259Archer Daniels Midland Co101,00152,309
260Terra-Gen Operating Co-Wind31990
261Brookfield Renewable Power Inc19976
262100% Statkraft29942
263Turlock Irrigation District11902
264Tanzania Electric Supply Company10894
265Chongqing Sanfeng Environment Group Corp Ltd29887
266SunEdison LLC16849
267Kemijoki Oy16825
268Lightsource Renewable Energy121772
269Enerjisa Enerji Uretim AS57602,897,553
270Imperial Irrigation District12758696,984
271First Wind O&M LLC25747
272IBERDROLA E.RENOV. CASTILLA LA MANCHA16725
273Erie Boulevard Hydropower LP71724
274NorthWestern Energy15696149,320
275Wheelabrator Environmental Systems176944,561,372
276Allete Clean Energy11673
277Ormat Nevada Inc2266357,462
278Kaidi Ecological and Environmental Technology Co Ltd19660
279TERNA13647
280Madison Gas & Electric Co10628339,373
281Black Hills Power Inc. d/b/a76213,269,031
282Montana-Dakota Utilities Co10593155,474
283Energa Wytwarzanie16564
284Pemex-Transformación Industrial SA de CV55591,882,170
285Great River Hydro LLC13558
286Pacific Hydro Pty Ltd10540
287Shanghai Kangheng Environment Co Ltd11538
288Dynagreen Environmental Protection Group Co Ltd22534193,130
289China National Environmental Protection Group18514
290China Everbright Environment (Group) Co Ltd13495737,490
291Guangdong Chant Group Inc15494
292GlidePath Power Operations LLC16409
293Korea Water Resources Corporation18395660,810
294CalEnergy Operating Corporation10377
295Grandblue Environment Co Ltd13367
296JSC "GTEnergo"17360
297Everbright Green Energy (Anhui) Holdings Co Ltd12360
298Shenzhen Energy and Environmental Protection Co Ltd11335
299China Everbright International Co Ltd14335
300Green Mountain Power Corp47325
301WM Renewable Energy LLC6032486,601
302Brookfield White Pine Hydro LLC18321
303Indiana Municipal Power Agency20321282
304Greencoat UK Wind14308
305Anesco49301
306Shanghai SUS Environment Co Ltd15291
307Innergex Inc11290
308Energy Developments Ltd16273416,711
309Li Ang Ecological Energy Co Ltd10265
310Renewable Energy Systems (RES)14254
311Zhejiang Weiming Environmental Protection Co Ltd10253
312UPM-Kymmene Oyj11252
313INDUSTRIAS JUAN F. SECCO21244
314Banks Renewables10223
315RWE Innogy GmbH13222
316Veolia14204
317Greencoat Capital10200
318Greenbacker Renewable Energy Corporation41199
319AGGREKO ARGENTINA SRL12193
320Idaho Wind Partners 1 LLC11185
321SULLAIR ARGENTINA SA10183
322Hive Energy18182
323Energia Renewables12182
324Tesla Inc.7317925,680
325Chevron USA Inc11178197,043
326Lark Energy26176
327NJR Clean Energy Ventures Corporation31172439,363
328Eagle Creek RE LLC23170
329SAEL Industries Ltd11166
330EDL Inc23163
331PNM Resources19157
332Ecoplexus Inc24157
333Elgin Energy EsCo13149
334SRE Utility Solar 1 LLC36147
335CD Global Solar Holdings LLC12140
336Waste Recycling Group451389,488
337Connecticut Mun Elec Engy Coop10136135,713
338SITA UK18135
339Metropolitan Water District of S CA17134
340Viridor17134657,326
341British Solar Renewables23131
342TGC Renewables17131
343Heelstone Energy Holdings LLC22131
344ČEZ as14125
345Industrial Power Generating Company LLC1212087,690
346SAGESA21119
347Terraform Arcadia55115
348AES Distributed Energy27114
349GSRP39108
350GCL New Energy Inc.12106
351Citizens Enterprises Corporation20106
352INRG Solar12104
353North Carolina Mun Power Agny #1269651,342
354Wessex Solar Energy1495
355NOVERA1084
356Biffa2983
357Soltage LLC2180
358SoCore Energy LLC3075
359Vogt Solar1174
360Altus Power America Management LLC3174
361Oppidum Renewables USA LLC1674
3622016 ESA Project Company LLC2972
363Ecotricity1370
364AEP Onsite Partners247014,531
365Industrial Energy Applications Inc1569
366Gamma Genco CV LLC1569
367EPP Renewable Energy186816,879
368Alaska Village Elec Coop Inc3167
369CHI Energy Inc1164
370Bloom Energy4264
371Marina Energy LLC1258
372Geronimo Energy2356
373Natural Power1755
374DG AMP Solar LLC1153186,857
375Public Service Elec & Gas Co14521,861,722
376Bangkok Solar Power Company Limited (BSP)1552
377Standard Solar3052
378Sol Systems1146
379Alchemy Renewable Energy1246
380NSTAR Electric Company1745
381Alaska Power and Telephone Co1545
382Forefront Power LLC2144
383Green Cat Renewables1443
384MC Power Companies Inc14422,112
385Onyx Asset Services Group2141
386Green Street Power Partners1440
387Thames Water Utilities1439
388LMS Energy Generation Pty Ltd1138
389Ahana Renewables LLC1836
390Nautilus Solar Solutions1032
391Advanced Microgrid Solutions1229
392CHI Operations Inc1528
393Constellation Solar MC LLC1128
394Enerparc Inc.1028
395CD US Solar MT 2 LLC1228
396CleanCapital1227
397Consolidated Edison Solutions Inc1127
398IKEA Property Inc2026
399Ecos Energy LLC1725
400Westbound Solar LLC1324
401EnterSolar1424
402Solaer1624
40338 Degrees North LLC1621
404DPEC1219
405Thai Solar Energy Public Company Limited (TSE)1414
406Hartz Solar LLC791,111,182

By Dmytro Aheiev, Inzonex Research · ORCID 0009-0001-5512-0291 · data sources and methodology