90:
120:
150:
60:
46:
180:
476:
187:
157:
127:
97:
67:
354:
In
September 2014, an increase of the dam by 21.5 meters was completed. The capacity of the lake was thus doubled to 25 million m³. The larger capacity is used for the Nant de Drance pumped storage plant, for which Lac du Vieux Emosson forms the upper basin and Emosson reservoir the lower basin. The
355:
storage power plant went into operation on July 1, 2022, after 14 years of construction. The construction of the plant cost the equivalent of 2 billion euros. The installed capacity is 900 MW, and 20 GWh can be stored.
89:
226:
521:
119:
418:
362:
Vieux Émosson was completed in 1955. Efforts to raise the dam 20 m (66 ft) began in 2013. The lake forms the upper reservoir for the 900 MW
59:
444:
380:
149:
545:
363:
179:
514:
375:
550:
507:
540:
348:
28:
399:
45:
491:
419:"Nant de Drance: Neues Pumpspeicherkraftwerk in der Schweiz geht in Betrieb - Golem.de"
268:
258:
534:
17:
475:
340:
241:
228:
445:"20GWh pumped hydro energy storage plant starting operations in Switzerland"
332:
359:
344:
487:
336:
212:
483:
347:
at an elevation of 2205 m. The lake drains into the reservoir
495:
310:
13.8 million cubic metres (11,200 acre⋅ft)
322:
314:
306:
298:
290:
282:
278:
267:
257:
218:
208:
38:
219:
515:
8:
186:
156:
126:
96:
66:
522:
508:
35:
392:
381:List of mountain lakes of Switzerland
7:
472:
470:
294:0.55 km (0.21 sq mi)
25:
366:which began operations in 2022.
263:4.6 km (1.8 sq mi)
474:
185:
178:
155:
148:
125:
118:
95:
88:
65:
58:
44:
364:Nant de Drance Hydropower Plant
313:
305:
297:
289:
281:
1:
207:
494:. You can help Knowledge by
407:(Error: unknown archive URL)
376:List of lakes of Switzerland
318:2,205 m (7,234 ft)
79:Show map of Canton of Valais
567:
482:This article related to a
469:
286:1.5 km (0.93 mi)
26:
546:Reservoirs in Switzerland
343:, in the municipality of
52:
43:
27:Not to be confused with
302:42 m (138 ft)
139:Show map of Switzerland
109:Show map of Rhône-Alpes
405:at nant-de-drance.ch
329:Lac du Vieux Émosson
242:46.06250°N 6.88917°E
18:Lac du Vieux Emosson
449:Energy Storage News
238: /
193:Lac du Vieux Émoson
163:Lac du Vieux Émoson
133:Lac du Vieux Émoson
103:Lac du Vieux Émoson
73:Lac du Vieux Émoson
39:Lac du Vieux Émoson
169:Show map of France
551:Valais lake stubs
503:
502:
326:
325:
315:Surface elevation
247:46.06250; 6.88917
16:(Redirected from
558:
524:
517:
510:
478:
471:
461:
460:
458:
456:
441:
435:
434:
432:
430:
415:
409:
408:
404:
397:
253:
252:
250:
249:
248:
243:
239:
236:
235:
234:
231:
221:
200:
199:Show map of Alps
189:
188:
182:
170:
159:
158:
152:
140:
129:
128:
122:
110:
99:
98:
92:
80:
69:
68:
62:
48:
36:
21:
566:
565:
561:
560:
559:
557:
556:
555:
541:Lakes of Valais
531:
530:
529:
528:
467:
465:
464:
454:
452:
443:
442:
438:
428:
426:
417:
416:
412:
406:
402:
398:
394:
389:
372:
351:, 300 m below.
271: countries
246:
244:
240:
237:
232:
229:
227:
225:
224:
204:
203:
202:
201:
198:
197:
196:
195:
194:
190:
173:
172:
171:
168:
167:
166:
165:
164:
160:
143:
142:
141:
138:
137:
136:
135:
134:
130:
113:
112:
111:
108:
107:
106:
105:
104:
100:
83:
82:
81:
78:
77:
76:
75:
74:
70:
32:
23:
22:
15:
12:
11:
5:
564:
562:
554:
553:
548:
543:
533:
532:
527:
526:
519:
512:
504:
501:
500:
479:
463:
462:
451:. 29 June 2022
436:
410:
403:(Date missing)
391:
390:
388:
385:
384:
383:
378:
371:
368:
324:
323:
320:
319:
316:
312:
311:
308:
304:
303:
300:
296:
295:
292:
288:
287:
284:
280:
279:
276:
275:
272:
265:
264:
261:
259:Catchment area
255:
254:
222:
216:
215:
210:
206:
205:
192:
191:
184:
183:
177:
176:
175:
174:
162:
161:
154:
153:
147:
146:
145:
144:
132:
131:
124:
123:
117:
116:
115:
114:
102:
101:
94:
93:
87:
86:
85:
84:
72:
71:
64:
63:
57:
56:
55:
54:
53:
50:
49:
41:
40:
24:
14:
13:
10:
9:
6:
4:
3:
2:
563:
552:
549:
547:
544:
542:
539:
538:
536:
525:
520:
518:
513:
511:
506:
505:
499:
497:
493:
489:
485:
480:
477:
473:
468:
450:
446:
440:
437:
425:. 6 July 2022
424:
420:
414:
411:
401:
396:
393:
386:
382:
379:
377:
374:
373:
369:
367:
365:
361:
356:
352:
350:
349:Lac d'Émosson
346:
342:
338:
334:
330:
321:
317:
309:
301:
293:
285:
277:
273:
270:
266:
262:
260:
256:
251:
223:
217:
214:
211:
181:
151:
121:
91:
61:
51:
47:
42:
37:
34:
30:
29:Lac d'Émosson
19:
496:expanding it
481:
466:
453:. Retrieved
448:
439:
427:. Retrieved
422:
413:
395:
357:
353:
328:
327:
307:Water volume
291:Surface area
33:
341:Switzerland
283:Max. length
274:Switzerland
245: /
220:Coordinates
535:Categories
387:References
299:Max. depth
333:reservoir
233:6°53′21″E
230:46°3′45″N
423:golem.de
400:Archived
370:See also
360:arch dam
209:Location
345:Finhaut
488:Valais
455:2 July
429:6 July
337:Valais
213:Valais
490:is a
331:is a
269:Basin
492:stub
484:lake
457:2022
431:2022
358:The
486:in
335:in
537::
447:.
421:.
339:,
523:e
516:t
509:v
498:.
459:.
433:.
31:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
