| 1 | BESOS GRUPO 5 | Catalonia | 1,671 |
| 2 | ARCOS DE LA FRONTERA GRUPO 1 | Andalusia | 1,585 |
| 3 | CARTAGENA GRUPO 1 | Murcia | 1,249 |
| 4 | Cartagena (Escombreras) power station | Murcia | 1,249 |
| 5 | CCC SAGUNTO GRUPO 2 | Valencia | 1,232 |
| 6 | ESCOMBRERAS GRUPO 1 | Ashanti | 1,199 |
| 7 | El Fangal power station | Murcia | 1,199 |
| 8 | PALOS DE LA FRONTERA GRUPO 1 | Andalusia | 1,167 |
| 9 | PUERTO DE BARCELONA GRUPO 2 | Catalonia | 866 |
| 10 | CTCC AS PONTES GRUPO 5 | Galicia | 856 |
| 11 | CTCC SOTO DE RIBERA GRUPO 5 | Asturias | 854 |
| 12 | CTCC CASTELLON GRUPO 4 | Valencia | 839 |
| 13 | CTCC PLANA DEL VENT 2 | Catalonia | 834 |
| 14 | CTCC ESCOMBRERAS | Murcia | 816 |
| 15 | ESCATRON | Aragon | 804 |
| 16 | TARRAGONA | Catalonia | 803 |
| 17 | CICLO COMBINADO DE CASTELNOU | Aragon | 800 |
| 18 | CASTEJON GRUPO 2 | Navarre | 797 |
| 19 | SAN ROQUE GRUPO 2 | Andalusia | 792 |
| 20 | AMOREBIETA | Basque Country | 786 |
| 21 | Bahía de Bizkaia power station | Basque Country | 785 |
| 22 | ARRUBAL GRUPO 1 | La Rioja | 785 |
| 23 | CASTELLON | Valencia | 782 |
| 24 | CAMPO DE GIBRALTAR GRUPO 20 | Andalusia | 781 |
| 25 | CCC BAHIA DE ALGECIRAS | Andalusia | 780 |
| 26 | ACECA GRUPO 4 | Castille-La Mancha | 759 |
| 27 | BAHIA DE ALGECIRAS I | Andalusia | 731 |
| 28 | Aboño power station | Asturias | 494 |
| 29 | CAS TRESORER TG3 CC2 | Balearic Islands | 460 |
| 30 | CTCC CASTEJON GRUPO 1 | Navarre | 425 |
| 31 | MALA1 (CTCC MALAGA) | Andalusia | 416 |
| 32 | SANTURCE GRUPO 4 | Basque Country | 396 |
| 33 | CTCC SABON GRUPO 3 | Galicia | 391 |
| 34 | CRISTOBAL COLON | Andalusia | 391 |
| 35 | Vila Ibiza power station | Balearic Islands | 305 |
| 36 | Escatron Peaker A.I.E. power station | Aragon | 275 |
| 37 | CTCC ESCATRON | Aragon | 275 |
| 38 | San Roque Refinery power station | Andalusia | 196 |
| 39 | Refineria La Rabida power station | Andalusia | 133 |
| 40 | SAICA Mill Zaragoza power station | Aragon | 108 |
| 41 | Cartagena Refinery power station | Murcia | 95 |
| 42 | SNIACE | Galicia | 93 |
| 43 | Torrelavega power station | Cantabria | 83 |
| 44 | REPSOL PUERTOLLANO | Castille-La Mancha | 80 |
| 45 | PAPELERA GUIPUZCOANA | Basque Country | 80 |
| 46 | Alcúdia power station | Mallorca | 75 |
| 47 | Las palmas LNG power station | Gran Canaria | 70 |
| 48 | Peninsular de Cogeneracion Mill power station | Madrid | 54 |
| 49 | ENCE ENERGIA HUELVA S.L.U. $$ | Andalusia | 50 |
| 50 | MAHON TG4 | Balearic Islands | 50 |
| 51 | Duenas Mill power station | Palencia | 50 |
| 52 | Motril Mill power station | Andalusia | 49 |
| 53 | COGENERACION MOTRIL | Andalusia | 49 |
| 54 | Genfibre cogeneration power station | Castille and Leon | 48 |
| 55 | NEUMATICOS MICHELIN-VITORIA | Basque Country | 47 |
| 56 | MICHELIN VALLADOLID $$ | Castille and Leon | 46 |
| 57 | Barcelona Cartonboard power station | Catalonia | 46 |
| 58 | Zaragoza Mill power station | Aragon | 43 |
| 59 | Tortosa Energia power station | Catalonia | 40 |
| 60 | Solvay Torrelavega power station | Cantabria | 40 |
| 61 | TORTOSA ENERGIA | Catalonia | 40 |
| 62 | Cotesa power station | Canary Islands | 38 |
| 63 | Pobla De Claramunt power station | Catalonia | 33 |
| 64 | MICHELIN ARANDA | Castille and Leon | 32 |
| 65 | GEMASA power station | Andalusia | 28 |
| 66 | ENCE - PONTEVEDRA $$ | Galicia | 27 |
| 67 | Smurfit Mengíbar power station | Andalusia | 26 |
| 68 | Álabe Villarrubia power station | Castille-La Mancha | 25 |
| 69 | Bioetanol Galicia power station | Galicia | 25 |
| 70 | Martorell Seat power station | Barcelona | 25 |
| 71 | Sant Joan Mill power station | Girona | 25 |
| 72 | Cella Factory power station | Aragon | 25 |
| 73 | COGENERACION NAVIA | Asturias | 24 |
| 74 | FINSA-SANTIAGO | Galicia | 24 |
| 75 | Navia (Prat) power station | Asturias | 24 |
| 76 | TRUCHAS DEL CINCA | Aragon | 24 |
| 77 | Losan Pina power station | Castille-La Mancha | 23 |
| 78 | Rossello Mill power station | Catalonia | 23 |
| 79 | Losan Talosa power station | Castille and Leon | 23 |
| 80 | TORRASPAPEL-MONTANANESA | Aragon | 22 |
| 81 | Ecocarburantes Españoles power station | Murcia | 22 |
| 82 | ECOCARBURANTES | Murcia | 22 |
| 83 | Enercrisa power station | Castille and Leon | 21 |
| 84 | Figuruelas power station | Aragon | 21 |
| 85 | PLANTA SECADO TERMICO DE LODOS E.R.A.R. DE BUTARQUE | Andalusia | 18 |
| 86 | AZULIBER | Valencia | 18 |
| 87 | GARONA VERDA | Middle Juba | 15 |
| 88 | COTASA | Valencia | 14 |
| 89 | GUASCOR | Navarre | 14 |
| 90 | COLORTEX | Valencia | 13 |
| 91 | GENSABON | Galicia | 12 |
| 92 | FERTIMOLINA | Castille-La Mancha | 10 |
| 93 | NUFRI | Catalonia | 10 |
| 94 | SALINAS BRAS DEL PORT S.A. | Aragon | 10 |
| 95 | TIOXIDE EUROPE S.L. | Andalusia | 10 |
