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Dospat–Vacha Hydropower Cascade

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35: 887: 860: 981: 953: 1434: 1424: 824: 878:, equipped with four Francis turbines with a combined installed capacity of 160 MW. The average water fall is 112 m and the maximum water discharge is 168 m/s. The water processed by the Orphey HPP enters the bed of the Vacha river, which in an 840 m section of length has been corrected with a reverse slope, so that the pumping unit of the power plant may use water returned from the Krichim Reservoir downstream. 967: 70: 769: 677: 112: 98: 84: 42: 56: 710:. With a territory of 22.1 km and a total volume of 449 million m, it is one of the largest in Bulgaria and serves as a multiannual leveler of the whole cascade. It has a stone dam with a clay core, reaching a height of 60.5 m and a length of 230 m, located at an altitude of 1,200.5 m. 803:
The water of the reservoir is directed to the main pressure derivation of the Devin HPP, which also receives inflow from the rivers Trigradska reka (3.7 m/s) and Muglenska reka (3.3 m/s) through a 970 m tunnel. The derivation itself includes a 27.4 m high water tower in the dam, a
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by the Vacha Water Union. It was commission in 1933 with two turbine units, with another two added in 1949. It is powered by water from the Vacha 2 HPP supplied via a derivation, which begins from the equalizer and flows through a 4.8 km pressure tunnel and a 196 m long above-ground steel
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The Krichim HPP was commissioned in 1973 and is linked to the reservoir through a derivation which begins from a water tower, passes through a 3.8 km pressure tunnel with a 4.4 m diameter to an open underground water tower with a height of 50 m, and from there it is fed to the engine
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The homonymous HPP is powered by a water quantity of 69.5 m/s. It has two Francis turbines with a total installed capacity of 86.4 MW and a projected annual production of 198 GWh. It is fed with waters from the reservoir from an open intake in its arm in the former bed of the Gashnya
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The main pressure derivation of the Teshel HPP begins from a water tower behind the left side of the Dospat dam and continues with a 732 m overground pipeline, a 16 km pressure tunnel, a 110 m high underground water tower with an engine room chamber and ends with a 522 m long
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drainage. Its dam was constructed in 1963–1972 in concrete and has a height of 104.5 m and a length of 270 m. It forms a lake with an area of 0.8 km and a volume of 20.3 million m that winds for 4 km along the narrow canyon-like valley of the Vacha river.
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The Vacha 2 HPP was put into operation in 1972 to utilize the fall between the then-newly built Krichim Reservoir upstream and the old equalizer reservoir of the Vacha 1 HPP downstream. It is located between the two reservoirs, in the territory of the village of
933:. There are two Francis turbines with a combined installed power capacity of 7 MW, an average fall of 82 m and a capacity of 9.2 m/s. The water supply from the Krichim Reservoir is via an underground pressure pipeline with a length of 420 m. 851:
river, from where they are directed through a 600 m underground pressure steel pipeline. During the construction of the plant, a correction was made to the bed of the Vacha river below it, which further increased the water fall by 10 meters.
871:, which is an annual leveler. It spans a territory of 5 km and contains 226.2 million m of water. Its dam is the highest in Bulgaria, reaching 144.5 m, and is a concrete gravity structure. Its length is 420 m. 925:
room of the power plant via a pressure pipeline. It has two Francis turbines with a total installed capacity of 80 MW. The average water fall is 162 m and the maximum water discharge capacity is 60 m/s.
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145 m tunnel, a 335 m open pressure pipeline, an 8.5 km pressure tunnel, a 51 m high open top underground water tower and a 356 m underground pressure pipeline leading the power plant.
800:’s main stem the Buynovska reka via a derivation with a capacity of 6 m/s. The dam is 30 m high and 200 m long and forms a lake with an area of 0.1 km and a volume of 1.4 million m. 760:
with a total installed capacity of 60 MW and was put into operation in 1972. Its utilized water from flows directly into its lower equalizer, which forms part of the second level of the cascade.
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at an altitude of 1,240 m; it has a length of 18 km and flows into Dospat upstream of the reservoir; the catchment area is 146 m and the maximum water discharge is 12.22 m/s;
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to the west. The water from the second route was also intended to be utilized for irrigation but the required irrigation system was never built and is currently viable only during high water.
737:, which gathers water from the river Osina at an altitude of 1,210 m; it has a length of 12.2 km; the catchment area is 49 m and the maximum water discharge is 1.6 m/s. 847:, the first on Bulgaria of this type, reaching a height of 130.5 m and a length of 486 m. It forms a lake with an area of 3.3 km and a volume of 110.9 million m. 733:
and Velichka at an altitude of 1,205 m; it has a length of 9.8 km; the catchment area is 46 m and the maximum water discharge is 3.12 m/s; and finally
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pressure pipeline. The Vacha 1 HPP has four Francis turbines with a total installed capacity of 15.4 MW, an average fall of 83 m and a capacity of 20 m/s.
1341:Мичев (Michev), Николай (Nikolay); Михайлов (Mihaylov), Цветко (Tsvetko); Вапцаров (Vaptsarov), Иван (Ivan); Кираджиев (Kiradzhiev), Светлин (Svetlin) (1980). 1413: 1545: 913:
and another to the Vacha 1 and 2 Hydro Power Plants. The main output flows through the former and are later discharged to an irrigation system in the
1816: 1563: 34: 1406: 631:, it is among Bulgaria's most complex hydropower systems. The cascade receives water from several river drainages, mostly from the 1633: 796:. It was inaugurated in 1984 and serves as a daily equalizer. Apart from the waters of the Teshel HPP, it receives inflow from 1391: 1356:Теми по физическа и социално-икономическа география на България (Topics on Physical and Social-Economic Geography of Bulgaria) 1619: 1382: 901:
The reservoir receives water from the dams upstream, as well as from the derivation of Churenska reka from the neighbouring
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and Vacha 1 and 2, with a combined installed capacity of 500.2 MW, producing an average of 871 GWh annually.
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with a total installed capacity of 80 MW initially, later increased to 88 MW. It was inaugurated in 1984.
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The Vacha 1 HPP and its upper equalizer reservoir are the oldest part of the cascade, constructed during the
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Apart from the homonymous river, the Dospat Reservoir gathers water from three derivations —
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With catchment area of 2,083 km spanning from an altitude of 2,191 m at the summit of
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underground pipeline to power station. En route, it receives water from the derivations of
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The Krichim junction is the lowest and final part of the cascade and consists of the
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and a system of derivations. The dam of the reservoir was constructed on the river
691: 680: 613: 605: 160: 150: 146: 1645: 1354:Дончев (Donchev), Дончо (Doncho); Каракашев (Karakashev), Христо (Hristo) (2004). 1092: 1749: 958: 868: 808: 717:, which gathers water from several right tributaries of the Mesta, including the 277: 1770: 722: 699: 636: 632: 624: 569: 506: 443: 378: 315: 250: 1805: 1780: 1775: 836: 797: 640: 972: 788:. The reservoir is located on the territory of the village of Borino and 718: 127:
Locations of the Dospat–Vacha Hydropower Cascade power plants in Bulgaria
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The water from the Devin TPP flows through the Vacha riverbed until the
1349:] (in Bulgarian). София (Sofia): Наука и култура (Nauka i kultura). 1060: 1058: 1056: 930: 859: 867:
The water from the Tsankov Kamak HPP flows through the river bed the
620:. The cascade was constructed between 1963 and 2010 by "Hydrostroy". 1053: 980: 823: 745:(catchment area of 39 m; water discharge of 7.75 m/s) and 1433: 1428: 1423: 601: 136: 909:
Its waters are diverted via two separate routes — one to the
643:. It includes five reservoirs and seven hydro power plants — 1786: 1340: 1301: 1248: 1064: 966: 840: 617: 405: 188: 752:
Teshel HPP itself is located on the territory of the village of
749:(catchment area of 26 m; water discharge of 1.5 m/s). 793: 753: 703: 212: 1377:(in Bulgarian). София (Sofia): Гея Либрис (Tangra TanNakRa). 768: 676: 843:. Constructed in 2010, Tsankov Kamak has a double curvature 811:. It is an above-ground derivation powerplant, with two 1097:
State Official Site of the National Electricity Company
1375:Електроенергетиката на България (Energy in Bulgaria) 948: 835:, where the Vacha receives its left tributaries the 1675: 1353: 1803: 807:The power plant is located close to the town of 702:in 1963–1969 on the territory of the towns of 1661: 1407: 1285: 1283: 1281: 1031: 1029: 1373:Набатов (Nabatov), Никита (Nikita) (2011). 1668: 1654: 1414: 1400: 1278: 1431:with more than 100 MW installed capacity 1026: 818: 671: 20:Dam in Plovdiv Province, Smolyan Province 1817:Hydroelectric power stations in Bulgaria 885: 858: 822: 767: 675: 1372: 1325: 1313: 1289: 1272: 1260: 1236: 1224: 1212: 1200: 1188: 1176: 1164: 1152: 1140: 1128: 1116: 1047: 1035: 876:Orphey Pumped Storage Hydro Power Plant 874:Within the dam wall is constructed the 1804: 1358:(in Bulgarian). София (Sofia): Ciela. 1302:Geographic Dictionary of Bulgaria 1980 1249:Geographic Dictionary of Bulgaria 1980 1065:Geographic Dictionary of Bulgaria 1980 729:, which gathers water from the rivers 1649: 1395: 1087: 1085: 1083: 1081: 1079: 1077: 1075: 1073: 69: 881: 13: 1070: 763: 586:Dospat–Vacha Hydroelectric Cascade 14: 1828: 1347:Geographic Dictionary of Bulgaria 854: 111: 1546:Belmeken–Sestrimo–Chaira Cascade 1432: 1422: 979: 965: 951: 110: 96: 82: 68: 54: 40: 33: 1677:Dospat–Vacha Hydropower Cascade 1319: 1307: 1295: 1266: 1254: 1242: 1230: 1218: 1206: 1194: 1182: 1170: 97: 23:Dospat–Vacha Hydropower Cascade 1720:Vacha 1 and 2 HPP (21 MW) 1158: 1146: 1134: 1122: 1110: 1041: 917:that also uses water from the 898:and three hydro power plants. 83: 41: 1: 1343:Географски речник на България 1334: 596:) is situated in the western 55: 1020: 1000:Hydroelectricity in Bulgaria 666: 618:National Electricity Company 189:National Electricity Company 7: 944: 792:upstream of the village of 776:The main facilities of the 10: 1833: 604:, on the territory of the 1763: 1727: 1683: 1537: 1466: 1441: 911:Krichim Hydro Power Plant 593: 578: 568: 558: 553: 545: 537: 529: 519: 515: 505: 495: 490: 482: 474: 466: 456: 452: 442: 432: 427: 419: 411: 401: 391: 387: 377: 367: 362: 354: 346: 338: 328: 324: 314: 304: 299: 291: 283: 273: 263: 259: 249: 239: 234: 226: 218: 208: 198: 194: 184: 176: 168: 156: 142: 132: 28: 18: 1005:Batak Hydropower Cascade 919:Batak Hydropower Cascade 696:Teshel Hydro Power Plant 1745:Tsankov Kamak Reservoir 987:Renewable energy portal 833:Tsankov Kamak Reservoir 786:Devin Hydro Power Plant 560:Installed capacity 497:Installed capacity 434:Installed capacity 369:Installed capacity 306:Installed capacity 241:Installed capacity 177:Construction began 891: 864: 828: 819:Tsankov Kamak junction 773: 688:Dospat–Teshel junction 683: 672:Dospat–Teshel junction 570:Annual generation 507:Annual generation 444:Annual generation 379:Annual generation 316:Annual generation 251:Annual generation 1010:Geography of Bulgaria 889: 862: 826: 771: 679: 627:to 420 m at the 616:. It is owned by the 594:Каскада "Доспат–Въча" 1571:Dospat–Vacha Cascade 1467:Thermal power plants 1442:Nuclear power plants 1093:"Hydro Power Plants" 915:Upper Thracian Plain 1538:Hydro power plants 995:Energy in Bulgaria 892: 865: 829: 774: 715:Vishteritsa–Kanina 684: 1797: 1796: 1703:Tsankov Kamak HPP 1643: 1642: 1384:978-954-378-081-5 1015:Rhodope Mountains 896:Krichim Reservoir 890:Krichim Reservoir 827:Tsankov Kamak Dam 731:Chechka Bistritsa 629:Krichim Reservoir 614:Plovdiv Provinces 598:Rhodope Mountains 582: 581: 546:Opening date 524:Vacha 1 and 2 HPP 483:Opening date 420:Opening date 355:Opening date 333:Tsankov Kamak HPP 292:Opening date 227:Opening date 1824: 1812:Dams in Bulgaria 1670: 1663: 1656: 1647: 1646: 1436: 1427:Power plants in 1426: 1416: 1409: 1402: 1393: 1392: 1388: 1369: 1350: 1329: 1328:, pp. 80–81 1323: 1317: 1311: 1305: 1299: 1293: 1287: 1276: 1275:, pp. 83–84 1270: 1264: 1263:, pp. 82–83 1258: 1252: 1246: 1240: 1239:, pp. 81–82 1234: 1228: 1222: 1216: 1215:, pp. 77–79 1210: 1204: 1198: 1192: 1191:, pp. 74–75 1186: 1180: 1174: 1168: 1167:, pp. 73–74 1162: 1156: 1155:, pp. 72–73 1150: 1144: 1143:, pp. 71–72 1138: 1132: 1131:, pp. 70–71 1126: 1120: 1114: 1108: 1107: 1105: 1103: 1089: 1068: 1062: 1051: 1045: 1039: 1033: 989: 984: 983: 975: 970: 969: 961: 956: 955: 954: 903:Parvenetska reka 882:Krichim junction 813:Francis turbines 782:Teshel Reservoir 772:Teshel Reservoir 758:Francis turbines 692:Dospat Reservoir 681:Dospat Reservoir 595: 161:Hydroelectricity 151:Smolyan Province 147:Plovdiv Province 114: 113: 100: 99: 86: 85: 72: 71: 58: 57: 44: 43: 37: 16: 15: 1832: 1831: 1827: 1826: 1825: 1823: 1822: 1821: 1802: 1801: 1798: 1793: 1764:Drainage basins 1759: 1723: 1693:(164.8 MW) 1679: 1674: 1644: 1639: 1533: 1504:Maritsa Iztok 1 1486:Maritsa Iztok 3 1474:Maritsa Iztok 2 1462: 1437: 1420: 1385: 1366: 1337: 1332: 1324: 1320: 1312: 1308: 1300: 1296: 1288: 1279: 1271: 1267: 1259: 1255: 1247: 1243: 1235: 1231: 1223: 1219: 1211: 1207: 1199: 1195: 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1542: 1540: 1536: 1529: 1526: 1523: 1520: 1517: 1514: 1511: 1508: 1505: 1502: 1499: 1496: 1493: 1490: 1487: 1484: 1481: 1478: 1475: 1472: 1471: 1469: 1465: 1458: 1457: 1453: 1450: 1447: 1446: 1444: 1440: 1435: 1430: 1425: 1417: 1412: 1410: 1405: 1403: 1398: 1397: 1394: 1386: 1380: 1376: 1371: 1367: 1365:954-649-717-7 1361: 1357: 1352: 1348: 1344: 1339: 1338: 1327: 1322: 1315: 1310: 1304:, p. 270 1303: 1298: 1291: 1286: 1284: 1282: 1274: 1269: 1262: 1257: 1250: 1245: 1238: 1233: 1226: 1221: 1214: 1209: 1202: 1197: 1190: 1185: 1178: 1173: 1166: 1161: 1154: 1149: 1142: 1137: 1130: 1125: 1118: 1113: 1098: 1094: 1088: 1086: 1084: 1082: 1080: 1078: 1076: 1074: 1067:, p. 180 1066: 1061: 1059: 1057: 1049: 1044: 1037: 1032: 1030: 1025: 1016: 1013: 1011: 1008: 1006: 1003: 1001: 998: 996: 993: 992: 988: 982: 977: 974: 968: 963: 960: 949: 942: 939: 934: 932: 926: 922: 920: 916: 912: 907: 904: 899: 897: 888: 879: 877: 872: 870: 861: 852: 848: 846: 842: 838: 837:Devinska reka 834: 825: 816: 814: 810: 805: 801: 799: 795: 791: 787: 783: 779: 770: 761: 759: 756:. It has two 755: 750: 748: 744: 743:Karadzha dere 738: 736: 732: 728: 724: 720: 716: 711: 709: 705: 701: 697: 693: 690:includes the 689: 682: 678: 664: 662: 658: 654: 653:Tsankov Kamak 650: 646: 642: 638: 634: 630: 626: 621: 619: 615: 611: 607: 603: 599: 591: 587: 577: 573: 571: 567: 563: 561: 557: 554:Power Station 552: 548: 544: 540: 536: 532: 528: 518: 514: 510: 508: 504: 500: 498: 494: 491:Power Station 489: 485: 481: 477: 473: 469: 465: 455: 451: 447: 445: 441: 438:164.8 MW 437: 435: 431: 428:Power Station 426: 422: 418: 414: 410: 407: 404: 400: 390: 386: 382: 380: 376: 372: 370: 366: 363:Power Station 361: 357: 353: 349: 345: 341: 337: 327: 323: 319: 317: 313: 309: 307: 303: 300:Power Station 298: 294: 290: 286: 282: 279: 276: 272: 262: 258: 254: 252: 248: 244: 242: 238: 235:Power Station 233: 229: 225: 221: 217: 214: 211: 207: 200:Dam in Teshel 197: 193: 190: 187: 183: 179: 175: 171: 167: 162: 159: 155: 152: 148: 145: 141: 138: 135: 131: 76:Tsankov Kamak 36: 27: 17: 1799: 1785: 1779: 1717:(60 MW) 1711:(80 MW) 1699:(88 MW) 1684:Power plants 1676: 1625: 1598: 1570: 1569: 1544: 1454: 1374: 1355: 1346: 1342: 1326:Nabatov 2011 1321: 1316:, p. 88 1314:Nabatov 2011 1309: 1297: 1292:, p. 87 1290:Nabatov 2011 1273:Nabatov 2011 1268: 1261:Nabatov 2011 1256: 1251:, p. 17 1244: 1237:Nabatov 2011 1232: 1227:, p. 79 1225:Nabatov 2011 1220: 1213:Nabatov 2011 1208: 1203:, p. 76 1201:Nabatov 2011 1196: 1189:Nabatov 2011 1184: 1179:, p. 74 1177:Nabatov 2011 1172: 1165:Nabatov 2011 1160: 1153:Nabatov 2011 1148: 1141:Nabatov 2011 1136: 1129:Nabatov 2011 1124: 1119:, p. 70 1117:Nabatov 2011 1112: 1100:. Retrieved 1096: 1050:, p. 68 1048:Nabatov 2011 1043: 1038:, p. 69 1036:Nabatov 2011 973:Water portal 935: 927: 923: 908: 900: 893: 873: 866: 849: 830: 806: 802: 777: 775: 751: 746: 742: 739: 734: 726: 714: 712: 687: 685: 622: 600:of southern 585: 583: 511:256 GWh 448:154 GWh 383:187 GWh 373:86.4 MW 330:Dam in Devin 320:145 GWh 265:Dam in Devin 255:100 GWh 1709:Krichim HPP 1634:Ivailovgrad 1558:- 375 MW, 1528:Sofia Iztok 719:Vishteritsa 574:29 GWh 541:Operational 478:Operational 461:Krichim HPP 415:Operational 350:Operational 287:Operational 222:Operational 172:Operational 1806:Categories 1728:Reservoirs 1715:Teshel HPP 1691:Orphey HPP 1627:Gorna Arda 1608:- 136 MW, 1579:- 165 MW, 1562:- 240 MW, 1554:- 840 MW, 1548:- 1,575 MW 1498:Ruse Iztok 1482:- 1,260 MW 1476:- 1,470 MW 1459:- 2,000 MW 1451:- 3,760 MW 1335:References 1102:5 December 931:Zhrebichko 610:Pazardzhik 564:21 MW 501:80 MW 396:Orphey HPP 310:88 MW 245:60 MW 203:Teshel HPP 164:Irrigation 1697:Devin HPP 1620:Kardzhali 1612:- 71 MW, 1591:- 80 MW, 1587:- 86 MW, 1583:- 88 MW, 1566:- 120 MW) 1516:Republika 1510:Maritsa 3 1492:Bobov Dol 1021:Citations 863:Vacha Dam 727:Bistritsa 667:Structure 590:Bulgarian 268:Devin HPP 118:Vacha 1/2 1636:- 110 MW 1630:- 160 MW 1622:- 170 MW 1616:- 47 MW) 1606:Peshtera 1602:- 254 MW 1595:- 60 MW) 1573:- 500 MW 1560:Sestrimo 1556:Belmeken 1530:- 100 MW 1524:- 130 MW 1518:- 180 MW 1512:- 240 MW 1506:- 500 MW 1500:- 600 MW 1494:- 630 MW 1488:- 900 MW 1449:Kozloduy 1429:Bulgaria 945:See also 845:arch dam 839:and the 790:Yagodina 780:are the 721:and the 708:Sarnitsa 639:and the 602:Bulgaria 530:Location 467:Location 402:Location 339:Location 274:Location 209:Location 185:Owner(s) 143:Location 137:Bulgaria 1787:Gashnya 1755:Krichim 1589:Krichim 841:Gashnya 661:Krichim 606:Smolyan 533:Krichim 470:Krichim 406:Krichim 157:Purpose 133:Country 104:Krichim 1771:Dospat 1740:Teshel 1735:Dospat 1593:Teshel 1577:Orphey 1552:Chaira 1456:Belene 1381:  1362:  794:Teshel 784:, the 754:Borino 723:Kanina 704:Dospat 700:Dospat 694:, the 657:Orphey 645:Teshel 637:Dospat 635:, the 538:Status 475:Status 412:Status 347:Status 284:Status 219:Status 213:Teshel 169:Status 90:Orphey 48:Teshel 1776:Vacha 1750:Vacha 1614:Batak 1610:Aleko 1581:Devin 1522:Sofia 1480:Varna 1345:[ 809:Devin 798:Vacha 735:Osina 649:Devin 641:Vacha 633:Mesta 342:Devin 278:Devin 62:Devin 1379:ISBN 1360:ISBN 1104:2023 706:and 686:The 612:and 584:The 549:1933 486:1973 423:1975 358:2010 295:1984 230:1972 180:1963 1808:: 1784:, 1280:^ 1095:. 1072:^ 1055:^ 1028:^ 659:, 655:, 651:, 647:, 608:, 592:: 149:, 1790:) 1778:( 1669:e 1662:t 1655:v 1604:( 1575:( 1550:( 1415:e 1408:t 1401:v 1387:. 1368:. 1106:. 588:(

Index

Dospat–Vacha Hydropower Cascade is located in Bulgaria
Bulgaria
Plovdiv Province
Smolyan Province
Hydroelectricity
National Electricity Company
Teshel
Installed capacity
Annual generation
Devin
Installed capacity
Annual generation
Installed capacity
Annual generation
Krichim
Installed capacity
Annual generation
Installed capacity
Annual generation
Installed capacity
Annual generation
Bulgarian
Rhodope Mountains
Bulgaria
Smolyan
Pazardzhik
Plovdiv Provinces
National Electricity Company
Golyam Perelik
Krichim Reservoir

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