24 countries · operating + construction + announced
72 of 72 rivers scoredHydrostorage
Europe’s pumped-storage fleet in one expandable directory: generating power, stored energy where published, hydraulic head, river context and project status.
Grand'MaisonFrance1,800 MWgenerating capacityEau d'Olleoperating
- Storage
- 34.8 GWh
- Hydraulic head
- Not published
- Commissioned
- 1985
- Stage
- operating
Europe's largest pumped-storage plant; twelve sets split between a surface and an underground powerhouse on the Eau d'Olle
DinorwigUnited Kingdom1,728 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- 9.1 GWh
- Hydraulic head
- Not published
- Commissioned
- 1984
- Stage
- operating
Europe's fastest-responding big store, inside Elidir mountain between Marchlyn Mawr and Llyn Peris
La Muela (Cortes-La Muela)Spain1,490 MWgenerating capacityJúcaroperating
- Storage
- 24.5 GWh
- Hydraulic head
- Not published
- Commissioned
- 1989
- Stage
- operating
La Muela I (1989) and II (2013) share a plateau basin 500 m above the Cortes reservoir — Europe's largest pumping complex on one site
Coire GlasUnited Kingdom1,300 MWgenerating capacityClosed-loop / lake systemannounced
- Storage
- 30 GWh
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- announced
SSE's Great Glen scheme above Loch Lochy — the UK's first new large PSH in 40 years; FID hinges on the 2026 cap-and-floor award
ViandenLuxembourg1,296 MWgenerating capacityOuroperating
- Storage
- 4.92 GWh
- Hydraulic head
- Not published
- Commissioned
- 1964
- Stage
- operating
SEO's eleven-set plant on the Our; the 200 MW eleventh machine arrived in 2015
Dniester PSPUkraine1,296 MWgenerating capacityDniesteroperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2009
- Stage
- operating
Four of seven planned 324 MW sets run; the 2,268 MW build-out, due around 2028, would make it Europe's largest
Entracque (Luigi Einaudi)Italy1,184 MWgenerating capacityGessooperating
- Storage
- 17.04 GWh
- Hydraulic head
- Not published
- Commissioned
- 1982
- Stage
- operating
Italy's largest hydro plant: the Chiotas (1,064 MW) and Rovina sections share the Piastra lower reservoir on the Gesso
Coo-Trois-PontsBelgium1,164 MWgenerating capacityAmblèveoperating
- Storage
- 5.82 GWh
- Hydraulic head
- Not published
- Commissioned
- 1971
- Stage
- operating
Engie's three-basin plant above the Amblève at Coo, uprated past 1.1 GW in the 2020s
GoldisthalGermany1,060 MWgenerating capacitySchwarzaoperating
- Storage
- 8.48 GWh
- Hydraulic head
- Not published
- Commissioned
- 2003
- Stage
- operating
Germany's largest PSH and Europe's first big plant with variable-speed sets, on the Thuringian Schwarza
MarkersbachGermany1,045 MWgenerating capacityGroße Mittweidaoperating
- Storage
- 4.02 GWh
- Hydraulic head
- Not published
- Commissioned
- 1979
- Stage
- operating
Six 175 MW sets in the Erzgebirge above the Große Mittweida; Germany's second-largest store
PresenzanoItaly1,000 MWgenerating capacityVolturnooperating
- Storage
- 7 GWh
- Hydraulic head
- Not published
- Commissioned
- 1991
- Stage
- operating
Four 250 MW sets between the Cesima hill basin and the Volturno plain north of Naples
RoncovalgrandeItaly1,000 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- 17.68 GWh
- Hydraulic head
- Not published
- Commissioned
- 1971
- Stage
- operating
Pumps from Lake Maggiore 740 m up to Lago Delio; the hall in the cliff holds eight sets
Tarnița–LăpușteștiRomania1,000 MWgenerating capacitySomeșul Caldannounced
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- announced
Studied since the 1980s above the Tarnița reservoir near Cluj; still lacks financing and a start date
Limmern (Linth-Limmern)Switzerland1,000 MWgenerating capacityLinthoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2016
- Stage
- operating
Axpo's cavern plant lifts Limmernsee water 630 m to the dammed Muttsee, 2,474 m up — Europe's highest big reservoir
Kaniv PSPUkraine1,000 MWgenerating capacityDnieperannounced
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- announced
Soviet-era project on the Kaniv reservoir repeatedly restarted by Ukrhydroenergo; construction remains suspended
EdoloItaly977.5 MWgenerating capacityOgliooperating
- Storage
- 4.89 GWh
- Hydraulic head
- Not published
- Commissioned
- 1985
- Stage
- operating
Eight sets on the Oglio at Edolo fed from Lago d'Avio; commonly rounded to a gigawatt
MontézicFrance910 MWgenerating capacityTruyèreoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1982
- Stage
- operating
Four 227 MW sets underground on the Truyère; EDF's second-largest storage plant
WehrGermany910 MWgenerating capacityWehraoperating
- Storage
- 6.07 GWh
- Hydraulic head
- 600 m
- Commissioned
- 1975
- Stage
- operating
The Hornberg basin sits 600 m above the Wehra valley — the biggest machine in the Black Forest group
KruonisLithuania900 MWgenerating capacityNemunasoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1992
- Stage
- operating
Four 225 MW sets against the Kaunas reservoir on the Nemunas, built to firm the Baltic grid, with room for a fifth unit
Nant de DranceSwitzerland900 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- 20 GWh
- Hydraulic head
- Not published
- Commissioned
- 2022
- Stage
- operating
Six variable-speed sets between the Emosson and Vieux Emosson lakes above the Rhône's Trient gorge; 20 GWh of storage
GouvãesPortugal880 MWgenerating capacityTâmegaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2022
- Stage
- operating
Pure pumping plant of Iberdrola's Tâmega 'giga-battery', working against the Daivões reservoir
ChairaBulgaria864 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1993
- Stage
- operating
The Balkans' largest PSH, below the Belmeken reservoir; offline after a March 2022 turbine failure, with unit 2 back at 210 MW in May 2025 and two more sets due through 2026
VillarinoSpain857 MWgenerating capacityTormesoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1970
- Stage
- operating
Six sets 400 m underground pump the vast Almendra reservoir on the Tormes against the Duero canyon
RevinFrance808 MWgenerating capacityMeuseoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1976
- Stage
- operating
Upper basin on the plateau above the Meuse loop at Revin — lowland France's counterpart to the Alpine stores
Super BissorteFrance742 MWgenerating capacityArcoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Bissorte's reversible extension in the Maurienne, working the 1930s Bissorte dam against the Arc valley floor
Frades II (Venda Nova III)Portugal736 MWgenerating capacityCávadooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2017
- Stage
- operating
Two 368 MW variable-speed sets — among Europe's largest such machines — on the same Rabagão–Cávado drop as Frades I
Čierny VáhSlovakia735.16 MWgenerating capacityČierny Váhoperating
- Storage
- Not published
- Hydraulic head
- 434 m
- Commissioned
- 1981
- Stage
- operating
The largest power station in Slovakia of any kind; upper basin dug into the ridge above the Čierny Váh valley
Malta-HauptstufeAustria730 MWgenerating capacityMölloperating
- Storage
- Not published
- Hydraulic head
- 1,106 m
- Commissioned
- 1979
- Stage
- operating
Europe's highest-head pumped storage; the Rottau powerhouse in the Möll valley works 1,106 m below the Kölnbrein reservoir
ŻarnowiecPoland716 MWgenerating capacityPiaśnicaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1983
- Stage
- operating
Poland's largest PSH, on glacial Lake Żarnowiec — built to partner a nuclear plant that was never finished
AmfilochiaGreece680 MWgenerating capacityAcheloosunder construction
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- under construction
Terna's twin upper basins (Agios Georgios 460 MW, Pyrgos 220 MW) share the Kastraki reservoir on the Acheloos; first units due 2027
Dlouhé stráněCzechia650 MWgenerating capacityDivoká Desnáoperating
- Storage
- Not published
- Hydraulic head
- 510.7 m
- Commissioned
- 1996
- Stage
- operating
Largest hydro plant in Czechia; twin 325 MW Francis sets under Mravenečník, with the upper basin dug into the Dlouhé stráně summit
SaurdalNorway640 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Norway's largest pumped-storage plant; two of its four sets are reversible, cycling Blåsjø water in the Ulla-Førre scheme
Bajina BaštaSerbia614 MWgenerating capacityDrinaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1982
- Stage
- operating
Two 307 MW sets pump 600 m up from the Perućac reservoir on the Drina to Lake Zaovine on Tara mountain
San FioranoItaly568 MWgenerating capacityOgliooperating
- Storage
- Not published
- Hydraulic head
- 1,404 m
- Commissioned
- 1973
- Stage
- operating
Italy's highest head — 1,404 m from Lago d'Arno down to the Oglio at Sellero
AlquevaPortugal518 MWgenerating capacityGuadianaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2004
- Stage
- operating
Two twin-set reversible stations (2004 and 2012) on Iberia's largest reservoir, pumping against the Pedrógão pool of the Guadiana
AnapoItaly500 MWgenerating capacityAnapooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Sicily's big storage plant, in caverns beside the Anapo gorge above Syracuse
Porąbka-ŻarPoland500 MWgenerating capacitySołaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1979
- Stage
- operating
Upper basin carved into the summit of Mt Żar, lower pool on the Soła cascade
San Giacomo (Vomano)Italy490 MWgenerating capacityVomanooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Mixed pumped stage between the Campotosto and Provvidenza reservoirs under the Gran Sasso
Limberg IIAustria480 MWgenerating capacityKapruner Acheoperating
- Storage
- Not published
- Hydraulic head
- 346 m
- Commissioned
- 2012
- Stage
- operating
Reversible cavern sets between the Mooserboden and Wasserfallboden reservoirs above Kaprun
Limberg IIIAustria480 MWgenerating capacityKapruner Acheoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2025
- Stage
- operating
Opened September 2025 on the same reservoir pair as Limberg II; both motor-generators failed within weeks, with repaired sets due back in September and December 2026
DalešiceCzechia480 MWgenerating capacityJihlavaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1978
- Stage
- operating
Four reversible sets between the Dalešice and Mohelno reservoirs; the same Jihlava pool cools the Dukovany nuclear plant
Le CheylasFrance480 MWgenerating capacityIsèreoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1979
- Stage
- operating
Two 240 MW reversible sets between the Flumet basin and the Isère's Grésivaudan valley
Waldeck IIGermany480 MWgenerating capacityEderoperating
- Storage
- 3.43 GWh
- Hydraulic head
- Not published
- Commissioned
- 1974
- Stage
- operating
Two 240 MW cavern sets beside Waldeck I, pumping from the Eder's Affoldern pool
Hongrin-Léman (Veytaux)Switzerland480 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1971
- Stage
- operating
Pumps Lake Geneva water 880 m up to Lac de l'Hongrin; the 2016 Veytaux-2 cavern doubled it to 480 MW
Estany Gento–SallenteSpain468 MWgenerating capacityFlamiselloperating
- Storage
- Not published
- Hydraulic head
- 400 m
- Commissioned
- 1985
- Stage
- operating
Pure pumping plant in a cavern between the Sallente and Gento lakes of the Catalan Pyrenees
Kops IIAustria450 MWgenerating capacityIlloperating
- Storage
- Not published
- Hydraulic head
- 818 m
- Commissioned
- 2008
- Stage
- operating
Three Pelton sets with separate pumps (525 MW pumping) between the Kops reservoir and the Rifa basin at Partenen
ČapljinaBosnia and Herzegovina440 MWgenerating capacityTrebišnjicaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1979
- Stage
- operating
Underground plant near the Neretva delta; the karstic Trebišnjica, half canal by now, is its upper pool
CruachanUnited Kingdom440 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1965
- Stage
- operating
The original 'Hollow Mountain' under Ben Cruachan, pumping from Loch Awe; Drax shelved its 600 MW expansion in 2025
Reißeck IIAustria430 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- 595 m
- Commissioned
- 2015
- Stage
- operating
Links the Reißeck and Malta groups, cycling water between the Mühldorfer See and Gößkar reservoirs
Aldeadávila IISpain421 MWgenerating capacityDuerooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1986
- Stage
- operating
Two reversible sets inside the Duero canyon plant; the full Aldeadávila complex reaches 1,243 MW
La CocheFrance384 MWgenerating capacityIsèreoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1976
- Stage
- operating
France's first high-head pumped storage, above the Isère at Aigueblanche; an extra Pelton unit joined the four reversible sets in 2019
ThisavrosGreece384 MWgenerating capacityNestosoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Greece's largest hydro plant, a reversible station on the Nestos gorge near the Bulgarian border
Santa MassenzaItaly377 MWgenerating capacitySarcaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Post-war cavern plant in Trentino that can pump back up to Lake Molveno
Tajo de la EncantadaSpain377 MWgenerating capacityGuadalhorceoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1978
- Stage
- operating
Spain's south-coast store above the El Chorro gorge of the Guadalhorce
BelmekenBulgaria375 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Top stage of the Belmeken–Sestrimo–Chaira cascade in the Rila mountains; two of its five sets are reversible
HäuslingAustria360 MWgenerating capacityZilleroperating
- Storage
- Not published
- Hydraulic head
- 696 m
- Commissioned
- 1988
- Stage
- operating
Second Zillertal stage; pumps from the Ziller headwaters back up to the 186 m Zillergründl arch dam
Obervermuntwerk IIAustria360 MWgenerating capacityIlloperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2019
- Stage
- operating
Cavern plant between the Silvretta and Vermunt reservoirs at the Ill's source; 360 MW in both turbine and pump mode
SäckingenGermany360 MWgenerating capacityRhineoperating
- Storage
- 2.06 GWh
- Hydraulic head
- Not published
- Commissioned
- 1967
- Stage
- operating
Cavern plant under the Eggberg with its basin on the Hotzenwald shoulder, tailing into the High Rhine
AguayoSpain360 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1982
- Stage
- operating
Pumps from the Alsa reservoir in Cantabria's Besaya basin; Repsol has an expansion to ~1 GW on the books
FfestiniogUnited Kingdom360 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1963
- Stage
- operating
Britain's first major pumped storage, between Llyn Stwlan and the Tan-y-Grisiau reservoir
Grimsel 2Switzerland348 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- 400 m
- Commissioned
- 1980
- Stage
- operating
KWO's cavern plant between the Oberaarsee and Grimselsee at the Aare headwaters; four ~87 MW sets, one converter-fed
AguieiraPortugal336 MWgenerating capacityMondegooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1981
- Stage
- operating
Three reversible groups on the Mondego above Coimbra
BargiItaly330 MWgenerating capacityLimentraoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1975
- Stage
- operating
Two sets on the Suviana reservoir in the Apennines; offline since a fatal April 2024 machine-hall explosion, with repairs still running
Hohenwarte IIGermany320 MWgenerating capacitySaaleoperating
- Storage
- 2.09 GWh
- Hydraulic head
- Not published
- Commissioned
- 1966
- Stage
- operating
Eight small sets on the Saale cascade's Hohenwarte reservoir — the GDR's flagship store
SfikiaGreece315 MWgenerating capacityAliakmonasoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Three reversible sets on the middle Aliakmonas, regulating PPC's cascade below Mount Vermio
Puente BibeySpain315 MWgenerating capacityBibeioperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Mixed plant of the Sil system with pumping capability, downstream of the Conso group
Tashlyk PSPUkraine302 MWgenerating capacitySouthern Buhoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2006
- Stage
- operating
Two of six planned 151 MW sets run beside the South Ukraine nuclear plant; unit 3 has crept forward for years
Sarganserland (Mapragg–Sarelli)Switzerland300 MWgenerating capacityTaminaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Two-stage Tamina scheme with pumping between the Gigerwald reservoir and the Mapragg basin
FoyersUnited Kingdom300 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1974
- Stage
- operating
Pumps from Loch Ness up the fault scarp to Loch Mhòr, reusing the site of the 1896 aluminium-works hydro
ConsoSpain298 MWgenerating capacityCambaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1970
- Stage
- operating
Core of the San Agustín–Conso group in the Bibei headwaters of Galicia's Sil system
Rodund IIAustria295 MWgenerating capacityIlloperating
- Storage
- Not published
- Hydraulic head
- 354 m
- Commissioned
- 1976
- Stage
- operating
Single large reversible set beside Rodund I; rebuilt after a 2009 machine fire
Turlough HillIreland292 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1974
- Stage
- operating
Ireland's only pumped storage, between an artificial summit basin and the glacial Lough Nahanagan in the Wicklow mountains
KühtaiAustria289 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1981
- Stage
- operating
Pumping stage of TIWAG's Sellrain–Silz group, cycling the Finstertal and Längental reservoirs above the Inn
VelebitCroatia276 MWgenerating capacityZrmanjaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1984
- Stage
- operating
Pumps from the Zrmanja up to the Opsenica basin on the Velebit karst plateau
Aurland IIINorway270 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Reversible stage of the Aurland mountain cascade above the Sognefjord
Foz TuaPortugal270 MWgenerating capacityDourooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2017
- Stage
- operating
Dam on the lower Tua whose reversible sets pump against the Douro backwater
ValdecañasSpain249 MWgenerating capacityTajooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Three reversible sets at the Valdecañas dam on the middle Tajo
TaloroItaly240 MWgenerating capacityTalorooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Sardinia's pumped storage, between the Cucchinadorza and Benzone reservoirs on the Taloro
Kyiv PSPUkraine235.5 MWgenerating capacityDnieperoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1970
- Stage
- operating
The USSR's first big pumped storage (1970–72), on the shore of the Kyiv reservoir
RoßhagAustria231 MWgenerating capacityZemmoperating
- Storage
- Not published
- Hydraulic head
- 630 m
- Commissioned
- 1972
- Stage
- operating
Zemm valley plant pumping against the Schlegeis reservoir in the Zillertal group
LünerseeAustria229 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- 974 m
- Commissioned
- 1958
- Stage
- operating
Five sets between the Lünersee and the Latschau basin; illwerke's planned Lünerseewerk II would add 1,000 MW on the same lake
ErzhausenGermany220 MWgenerating capacityLeineoperating
- Storage
- 1.1 GWh
- Hydraulic head
- Not published
- Commissioned
- 1964
- Stage
- operating
Lower Saxony's only large PSH, with its basin on the Selter ridge above the Leine
WitznauGermany220 MWgenerating capacitySchlüchtoperating
- Storage
- 0.63 GWh
- Hydraulic head
- Not published
- Commissioned
- 1943
- Stage
- operating
Middle stage of the Schluchsee cascade, on the Schlücht between the Häusern and Waldshut steps
FadaltoItaly220 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Mixed plant of the Piave–Santa Croce cascade, pumping between Lago Morto and Lago di Santa Croce
SouteloSpain215 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Companion pumping plant to Conso in the Bibei headwaters
GuillenaSpain210 MWgenerating capacityRivera de Huelvaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1973
- Stage
- operating
Three reversible sets north of Seville — Andalusia's counterweight to the Pyrenean stores
Salamonde IIPortugal207 MWgenerating capacityCávadooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Single large reversible set in a cavern beside the 1953 Salamonde dam on the Cávado
DugeNorway200 MWgenerating capacitySiraoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1974
- Stage
- operating
Two reversible sets at the top of the Sira-Kvina system, between the Svartevatn and Gravatn reservoirs
SolinaPoland200 MWgenerating capacitySanoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1968
- Stage
- operating
Two of the four sets at Poland's tallest dam are reversible against the Myczkowce pool of the San; modernised 2003
Bolarque IISpain200 MWgenerating capacityTajooperating
- Storage
- Not published
- Hydraulic head
- 240 m
- Commissioned
- 1974
- Stage
- operating
Four reversible sets lift Tagus water 240 m to La Bujeda, the head pond of the Tagus–Segura transfer
MoraletsSpain200 MWgenerating capacityNoguera Ribagorçanaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Pumps from the Baserca reservoir up to Llauset, under the Pyrenean main ridge
Rodund IAustria198 MWgenerating capacityIlloperating
- Storage
- Not published
- Hydraulic head
- 354 m
- Commissioned
- 1952
- Stage
- operating
Workhorse of the Obere Ill–Lünersee group, between the Latschau basin and the Ill at Vandans
Liptovská MaraSlovakia198 MWgenerating capacityVáhoperating
- Storage
- Not published
- Hydraulic head
- 48 m
- Commissioned
- 1976
- Stage
- operating
Mixed plant on the Váh: two Kaplan sets work natural inflow, two reversible Dériaz sets pump from the Bešeňová pool
Frades I (Venda Nova II)Portugal191 MWgenerating capacityCávadooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2005
- Stage
- operating
First reversible extension of the Venda Nova scheme, from the Rabagão reservoir down to Salamonde
Kühtai 2Austria190 MWgenerating capacityClosed-loop / lake systemunder construction
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- under construction
Two 95 MW pump-turbines and a new Kühtai reservoir; test operation began August 2026, regular service planned late 2027
Baixo SaborPortugal190 MWgenerating capacitySaboroperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2016
- Stage
- operating
Two-step reversible scheme on the Sabor, the Douro's last wild tributary before it was dammed
AvčeSlovenia185 MWgenerating capacitySočaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2010
- Stage
- operating
Slovenia's only pumped storage, a variable-speed set above the Soča at Avče
FerreraSwitzerland180 MWgenerating capacityHinterrheinoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1962
- Stage
- operating
Kraftwerke Hinterrhein's pumping stage between the Valle di Lei reservoir and the Sufers pool on the Hinterrhein
EbenseeAustria170 MWgenerating capacityTraununder construction
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- under construction
Energie AG shaft plant pumping out of the Traunsee; completion planned for 2027
TauernmoosAustria170 MWgenerating capacityClosed-loop / lake systemunder construction
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- under construction
ÖBB's 16.7 Hz railway plant between the Weißsee and Tauernmoossee in the Stubach valley; misfabricated turbine spirals pushed commissioning to summer 2028
RobieiSwitzerland165 MWgenerating capacityBavonaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1968
- Stage
- operating
Ofima's pumping hub in the Maggia system, cycling water between the Robiei and San Carlo basins in Val Bavona
Limberg IAustria160 MWgenerating capacityKapruner Acheoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
The 1950s Kaprun Oberstufe between Mooserboden and Wasserfallboden; its generators are under repair through 2026 alongside Limberg III's
HappurgGermany160 MWgenerating capacityClosed-loop / lake systemunder construction
- Storage
- 0.9 GWh
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- under construction
Offline since 2011 when the upper basin floor failed; Uniper is rebuilding it for a return around 2028
LangenprozeltenGermany160 MWgenerating capacitySinnoperating
- Storage
- 0.95 GWh
- Hydraulic head
- Not published
- Commissioned
- 1976
- Stage
- operating
Runs on the 16.7 Hz railway grid for DB Energie, above the Sinn in the Spessart
ŻydowoPoland157 MWgenerating capacityRadewoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1971
- Stage
- operating
Early lake-to-lake plant between Kamienne and Kwiecko lakes in Pomerania
HerdeckeGermany153 MWgenerating capacityRuhroperating
- Storage
- 0.59 GWh
- Hydraulic head
- Not published
- Commissioned
- 1989
- Stage
- operating
Replaced Arthur Koepchen's landmark 1930 machine hall on the Hengstey lake of the Ruhr
WaldshutGermany150 MWgenerating capacityRhineoperating
- Storage
- 0.4 GWh
- Hydraulic head
- Not published
- Commissioned
- 1951
- Stage
- operating
Bottom stage of the Schluchsee cascade, pumping straight out of the High Rhine
Pont Ventoux-SusaItaly150 MWgenerating capacityDora Ripariaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
High-head Susa valley scheme with pumping between Val Clarea basins on the Dora Riparia
TorrãoPortugal146 MWgenerating capacityDourooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1988
- Stage
- operating
Reversible plant at the Tâmega mouth, pumping from the Douro's Crestuma pool
Plate-TailleBelgium144 MWgenerating capacityEau d'Heureoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1981
- Stage
- operating
Sits on Belgium's largest artificial lakes, built to compensate Sambre water taken for cooling
FeldseeAustria140 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 2009
- Stage
- operating
Kelag's two-set plant in the Fragant group of the Möll basin, between the Feldsee and the Wurten reservoir
RönkhausenGermany140 MWgenerating capacityGlingeoperating
- Storage
- 0.74 GWh
- Hydraulic head
- Not published
- Commissioned
- 1969
- Stage
- operating
Twin basins above the Lenne valley at Finnentrop, on the little Glinge stream
Waldeck IGermany140 MWgenerating capacityEderoperating
- Storage
- 0.48 GWh
- Hydraulic head
- Not published
- Commissioned
- 1933
- Stage
- operating
The 1930s pioneer above the Edersee, gutted and rebuilt with modern sets in 2010
Gargnano (San Giacomo)Italy137 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1959
- Stage
- operating
Pumps between Lake Valvestino and Lake Garda from a shoreline hall on the west bank
TorrejónSpain132 MWgenerating capacityTajooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Mixed plant pumping between the twin Torrejón pools on the Tajo and the Tiétar
Vilarinho das FurnasPortugal125 MWgenerating capacityCávadooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1972
- Stage
- operating
Draws down the Homem valley reservoir — famous for the drowned village it covers — and pumps back from Salamonde
TanesSpain123 MWgenerating capacityNalónoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Reversible sets between the Tanes and Rioseco reservoirs on the upper Nalón in Asturias
EtzelwerkSwitzerland121 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- 473 m
- Commissioned
- 1937
- Stage
- operating
SBB's 16.7 Hz railway plant between the Sihlsee and Lake Zurich at Altendorf
Malta OberstufeAustria120 MWgenerating capacityMaltaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- Not yet / unknown
- Stage
- operating
Two sets at Galgenbichl lift Malta water up to Kölnbrein; rebuilt for variable-speed operation 2019–2024
GeesthachtGermany120 MWgenerating capacityElbeoperating
- Storage
- 0.6 GWh
- Hydraulic head
- Not published
- Commissioned
- 1958
- Stage
- operating
Vattenfall's circular basin on the Geest bluff, pumping straight out of the tidal Elbe
CapriatiItaly113 MWgenerating capacityVolturnooperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1963
- Stage
- operating
Pumps between Lake Matese, high on the massif, and the Volturno valley
HäusernGermany100 MWgenerating capacitySchwarzaoperating
- Storage
- 0.46 GWh
- Hydraulic head
- Not published
- Commissioned
- 1931
- Stage
- operating
Top stage of the Schluchsee cascade, working the Black Forest's Schluchsee against the Schwarza basin
RužínSlovakia60 MWgenerating capacityHornádoperating
- Storage
- Not published
- Hydraulic head
- 52.7 m
- Commissioned
- 1973
- Stage
- operating
Slovakia's first reversible-turbine plant, between the Ružín and Ružín II pools of the Hornád above Košice
Štěchovice IICzechia45 MWgenerating capacityVltavaoperating
- Storage
- Not published
- Hydraulic head
- 219.5 m
- Commissioned
- 1947
- Stage
- operating
Upper basin on Homole hill above the Vltava cascade; rebuilt with a single 45 MW reversible set in 1996
DobšináSlovakia24 MWgenerating capacityClosed-loop / lake systemoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1953
- Stage
- operating
Transfers Hnilec water from Palcmanská Maša across the ridge into the Slaná basin — a 1953 inter-basin plant
Mikšová IISlovakia2.6 MWgenerating capacityVáhoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1963
- Stage
- operating
The 1963 experimental unit where the reversible turbines for Ružín and Liptovská Mara were proven
Černé jezeroCzechia1.9 MWgenerating capacityÚhlavaoperating
- Storage
- Not published
- Hydraulic head
- Not published
- Commissioned
- 1930
- Stage
- operating
The first pumped-storage plant in Czechia (1930), between the glacial Černé jezero and a small basin on the Úhlava