| # | Plant | Region | MW |
|---|---|---|---|
| 1 | ALDEADAVILA II 2 | Castille and Leon | 1,226 |
| 2 | JOSE M ORIOL GRUPO 4 | Valencia | 953 |
| 3 | La Muela II Grupo 4 | Valencia | 878 |
| 4 | VILLARINO 4 | Castille and Leon | 851 |
| 5 | LA MUELA CORTES 1 | Valencia | 634 |
| 6 | SAUCELLE II 1 | Braganca | 516 |
| 7 | CEDILLO 3 | Extremadura | 495 |
| 8 | San Esteban II Grupo 1 | Galicia | 438 |
| 9 | TAJO DE LA ENCANTADA 1 | Andalusia | 377 |
| 10 | AGUAYO 3 | Cantabria | 361 |
| 11 | BELESAR GRUPO 2 | Galicia | 331 |
| 12 | RICOBAYO II 1 | Castille and Leon | 327 |
| 13 | MEQUINENZA 1 | Aragon | 322 |
| 14 | PUENTE BIBEY 4 | Galicia | 312 |
| 15 | CONSO 2 | Galicia | 268 |
| 16 | RIBA ROJA 1 | Catalonia | 261 |
| 17 | VALDECANAS 3 | Extremadura | 247 |
| 18 | MORALETS 1 | Catalonia | 219 |
| 19 | VILLALCAMPO II | Castille-La Mancha | 216 |
| 20 | BOLARQUE II GRUPO 1 | Castille-La Mancha | 215 |
| 21 | SOUTELO 2 | Galicia | 214 |
| 22 | GUILLENA 1 | Andalusia | 208 |
| 23 | AZUTAN 2 | Castille-La Mancha | 198 |
| 24 | CASTRO II | Castille and Leon | 195 |
| 25 | LOS PEARES GRUPO 2 | Galicia | 181 |
| 26 | FRIEIRA GRUPO 1 | Galicia | 161 |
| 27 | SALIME 4 | Asturias | 157 |
| 28 | TAVASCAN INFERIOR | Catalonia | 151 |
| 29 | CASTRELO GRUPO 1 | Galicia | 136 |
| 30 | CORNATEL GR 1 | Galicia | 131 |
| 31 | TORREJON 1 | Extremadura | 130 |
| 32 | TANES 1 | Asturias | 124 |
| 33 | COFRENTES 1 | Valencia | 120 |
| 34 | GABRIEL Y GALAN | Extremadura | 110 |
| 35 | CANELLES 1 | Aragon | 107 |
| 36 | MONTAMARA 1 | Catalonia | 92 |
| 37 | IP 1 | Aragon | 89 |
| 38 | SUSQUEDA 3 | Catalonia | 89 |
| 39 | PORTODEMOUROS GRUPO 2 | Galicia | 88 |
| 40 | ERISTE 1 | Aragon | 88 |
| 41 | VELLE GRUPO 2 | Galicia | 86 |
| 42 | LA REMOLINA GR 1 | Castille and Leon | 83 |
| 43 | BARAZAR 1 | Basque Country | 83 |
| 44 | LAS ONDINAS GR 1 | Castille and Leon | 82 |
| 45 | SILVON 2 | Madrid | 82 |
| 46 | CASTREJON GRUPO 1 | Castille-La Mancha | 81 |
| 47 | IZNAJAR 1 | Andalusia | 77 |
| 48 | TAMBRE II GRUPO 1 | Galicia | 73 |
| 49 | C.H. MILLARES II GRUPO 1 | Valencia | 70 |
| 50 | ALBARELLOS GRUPO 1 | Galicia | 68 |
| 51 | ARTIES 1 | Catalonia | 68 |
| 52 | MEDIANO 1 | Aragon | 67 |
| 53 | VALPARAISO 2 | Castille and Leon | 65 |
| 54 | SAN AGUSTIN GR 1 | Galicia | 63 |
| 55 | BURGUILLO GRUPO 1 | Castille and Leon | 62 |
| 56 | DOIRAS 1 | Asturias | 62 |
| 57 | BIESCAS II 1 | Aragon | 61 |
| 58 | BARCENA GR 1 | Cantabria | 61 |
| 59 | CAMARASA II 1 | Catalonia | 59 |
| 60 | ARBON 2 | Asturias | 56 |
| 61 | SAU 2 | Catalonia | 56 |
| 62 | PUERTO PENA 1 | Extremadura | 55 |
| 63 | BUENDIA GRUPO 1 | Castille-La Mancha | 54 |
| 64 | EUME GR 1 | Galicia | 54 |
| 65 | SANTIAGO-JARES 2 | Galicia | 53 |
| 66 | SALAS GRUPO 1 | Galicia | 53 |
| 67 | LANUZA 1 | Aragon | 53 |
| 68 | FLIX 1 | Catalonia | 52 |
| 69 | LLAVORSI CARDOS 1 | Catalonia | 52 |
| 70 | GUIJO DE GRANADILLA 2 | Extremadura | 52 |
| 71 | LA BARCA 1 | Canary Islands | 52 |
| 72 | CIJARA M. IZDA. 3 | Extremadura | 52 |
| 73 | CIJARA M. DCHA. 1 | Extremadura | 50 |
| 74 | PROAZA 1 | Asturias | 50 |
| 75 | LAS CONCHAS GRUPO 1 | Galicia | 49 |
| 76 | PONT DE REI 1 | Catalonia | 46 |
| 77 | MONTEFURADO 3 | Galicia | 44 |
| 78 | SEROS II 1 | Catalonia | 44 |
| 79 | SOBRADELO 2 | Galicia | 44 |
| 80 | LAFORTUNADA CINCA 1 | Aragon | 41 |
| 81 | ENTREPENAS GRUPO 1 | Castille-La Mancha | 41 |
| 82 | LAFORTUNADA CINQUETA 1 | Aragon | 41 |
| 83 | OLIANA 3 | Catalonia | 38 |
| 84 | QUERENO GR 1 | Galicia | 36 |
| 85 | ESCALES 1 | Aragon | 36 |
| 86 | SANTA MARINA GR 3 | Castille and Leon | 35 |
| 87 | RIBADELAGO GR 3 | Castille and Leon | 35 |
| 88 | SAN PEDRO 2 | Galicia | 34 |
| 89 | CERNADILLA | Castille and Leon | 33 |
| 90 | CALDES 2 | Aragon | 32 |
| 91 | TERRADETS 1 | Catalonia | 32 |
| 92 | REGUEIRO GRUPO 2 | Galicia | 29 |
| 93 | BOLARQUE I GRUPO 1 | Castille-La Mancha | 28 |
| 94 | SOBRON 1 | Castille and Leon | 28 |
| 95 | MENUZA | Aragon | 28 |
| 96 | PONTENOVO 1 | Galicia | 26 |
| 97 | GRADO II 1 | Valencia | 26 |
| 98 | MANDEO-ZARZO | Galicia | 26 |
| 99 | C.H. RIALB 2. | Catalonia | 25 |
| 100 | LAS PICADAS GRUPO 1 | Madrid | 24 |
| 101 | LA SARRA | Aragon | 24 |
| 102 | Central de San Pedro II Grupo 1 | Castille-La Mancha | 23 |
| 103 | LA SERENA | Extremadura | 22 |
| 104 | VIELHA 1 | Catalonia | 22 |
| 105 | PENA DE BEJO | Cantabria | 21 |
| 106 | CENTRAL HIDRAULICA DOMENO | Navarre | 20 |
| 107 | C.H. SAHECHORES | Castille and Leon | 20 |
| 108 | SEIRA II 3 | Catalonia | 19 |
| 109 | PORTO GR 1 | Galicia | 18 |
| 110 | BARRADOS | Catalonia | 16 |
| 111 | C.H. EN ALARCON | Castille-La Mancha | 16 |
| 112 | CAMPORRIONDI | Asturias | 15 |
| 113 | GUADALMENA | Andalusia | 15 |
| 114 | BEMBEZAR | Andalusia | 15 |
| 115 | BENAGEBER 2 | Valencia | 15 |
| 116 | CONTRERAS II 1 | Castille-La Mancha | 14 |
| 117 | EL PUEYO | Aragon | 14 |
| 118 | TORAN | Galicia | 13 |
| 119 | PAMPANEIRA | Andalusia | 13 |
| 120 | DUQUE | Andalusia | 13 |
| 121 | LERIDA | Catalonia | 12 |
| 122 | TERMENS | Catalonia | 12 |
| 123 | VILLANUA | Castille and Leon | 11 |
| 124 | C.H. ARNOYA | Galicia | 10 |
WRI Global Power Plant Database (CC BY 4.0).