Energy · 2026

Installed hydroelectric capacity: ranking of municipalities

Installed hydroelectric capacity: Innertkirchen comes top with 1,339,636 kW and Affoltern im Emmental comes last with 1 kW. The median across 559 municipalities is 640 kW.

Podium and top 100

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1Innertkirchen1,339,636 kW 2Finhaut1,023,173 kW 3Thusis450,700 kW

#	Municipality	Canton	Installed hydroelectric capacity
1	Innertkirchen	Bern	1,339,636 kW
2	Finhaut	Valais	1,023,173 kW
3	Thusis	Grisons	450,700 kW
4	Biasca	Ticino	431,000 kW
5	Zernez	Grisons	423,191 kW
6	Martigny	Valais	370,400 kW
7	Pfäfers	St. Gallen	366,190 kW
8	Naters	Valais	351,266 kW
9	Stalden (VS)	Valais	349,300 kW
10	Cazis	Grisons	258,096 kW
11	Veytaux	Vaud	240,000 kW
12	Bregaglia	Grisons	218,389 kW
13	Göschenen	Uri	197,651 kW
14	Ferrera	Grisons	189,000 kW
15	Vernayaz	Valais	172,791 kW
16	Lostallo	Grisons	139,900 kW
17	Silenen	Uri	126,674 kW
18	Altendorf	Schwyz	121,000 kW
19	Steg-Hohtenn	Valais	120,000 kW
20	Rheinfelden	Aargau	112,928 kW
21	Schübelbach	Schwyz	107,400 kW
22	Laufenburg	Aargau	106,000 kW
23	Saint-Léonard	Valais	105,300 kW
24	Russin	Geneva	104,700 kW
25	Glarus Süd	Glarus	95,291 kW
26	Ilanz/Glion	Grisons	90,274 kW
27	Birsfelden	Basel-Landschaft	90,000 kW
28	Bergün Filisur	Grisons	87,577 kW
29	Kleinbösingen	Fribourg	86,800 kW
30	Lavey-Morcles	Vaud	86,400 kW
31	Albula/Alvra	Grisons	82,106 kW
32	Surses	Grisons	80,383 kW
33	Gordola	Ticino	79,971 kW
34	Marly	Fribourg	71,900 kW
35	Sierre	Valais	71,550 kW
36	Schwyz	Schwyz	67,191 kW
37	Glarus	Glarus	63,054 kW
38	Fieschertal	Valais	60,800 kW
39	Giswil	Obwalden	60,210 kW
40	Ernen	Valais	58,972 kW
41	Zwischbergen	Valais	55,900 kW
42	Brusio	Grisons	55,074 kW
43	Wassen	Uri	54,750 kW
44	Airolo	Ticino	54,247 kW
45	Sion	Valais	54,152 kW
46	Cologny	Geneva	52,000 kW
47	Niedergösgen	Solothurn	51,000 kW
48	Engelberg	Obwalden	46,816 kW
49	Poschiavo	Grisons	45,976 kW
50	Binn	Valais	45,730 kW
51	Glattfelden	Zurich	45,220 kW
52	Mühleberg	Bern	45,000 kW
52	Boningen	Solothurn	45,000 kW
54	Auenstein	Aargau	44,560 kW
55	Küblis	Grisons	44,255 kW
56	Brugg	Aargau	44,100 kW
57	Quinto	Ticino	43,408 kW
58	Rheinau	Zurich	42,500 kW
59	Mellikon	Aargau	41,382 kW
60	Klingnau	Aargau	40,950 kW
61	Augst	Basel-Landschaft	35,980 kW
62	Haut-Intyamon	Fribourg	35,825 kW
63	Mörel-Filet	Valais	35,300 kW
64	Grono	Grisons	33,504 kW
65	Obergoms	Valais	33,495 kW
66	Vex	Valais	32,485 kW
67	Wettingen	Aargau	32,300 kW
68	Hagneck	Bern	30,920 kW
69	Schaffhausen	Schaffhausen	30,240 kW
70	Sils im Domleschg	Grisons	30,000 kW
71	Turtmann-Unterems	Valais	29,920 kW
72	Vallorbe	Vaud	29,400 kW
73	Bannwil	Bern	28,500 kW
74	Spiez	Bern	26,900 kW
75	Monthey	Valais	26,855 kW
76	Aarau	Aargau	26,854 kW
77	Lignerolle	Vaud	26,400 kW
78	Gurtnellen	Uri	25,852 kW
79	Döttingen	Aargau	25,461 kW
80	Bürglen (UR)	Uri	25,227 kW
81	Broc	Fribourg	24,575 kW
82	Orsières	Valais	24,562 kW
83	Kallnach	Bern	23,300 kW
84	Gryon	Vaud	21,772 kW
85	Roveredo (GR)	Grisons	21,657 kW
86	Wynau	Bern	20,232 kW
87	Erstfeld	Uri	20,077 kW
88	Bremgarten (AG)	Aargau	19,544 kW
89	Kandergrund	Bern	19,036 kW
90	Gsteig	Bern	18,794 kW
91	Erlenbach im Simmental	Bern	18,445 kW
92	Seedorf (UR)	Uri	18,211 kW
93	Bellinzona	Ticino	18,209 kW
94	Bex	Vaud	18,061 kW
95	St. Gallen	St. Gallen	18,032 kW
96	Wolfenschiessen	Nidwalden	17,998 kW
97	Dallenwil	Nidwalden	17,750 kW
98	Bern	Bern	17,300 kW
99	Flums	St. Gallen	17,151 kW
100	Fribourg	Fribourg	16,620 kW

Bottom of the ranking

#	Municipality	Canton	Installed hydroelectric capacity
540	Wiedlisbach	Bern	6 kW
540	Bösingen	Fribourg	6 kW
540	Reinach (BL)	Basel-Landschaft	6 kW
540	Oberlunkhofen	Aargau	6 kW
540	Reitnau	Aargau	6 kW
550	Andelfingen	Zurich	5 kW
550	Jaun	Fribourg	5 kW
552	Signau	Bern	4 kW
552	Dürrenroth	Bern	4 kW
554	Walchwil	Zug	3 kW
554	Estavayer	Fribourg	3 kW
554	Muri (AG)	Aargau	3 kW
557	Kriens	Lucerne	2 kW
557	Fischbach	Lucerne	2 kW
559	Affoltern im Emmental	Bern	1 kW

Regions compared

Total for each region.

Valais3,168,831 kW
Grisons2,386,856 kW
Bern1,688,118 kW
Ticino661,124 kW
Aargau517,606 kW
Vaud482,740 kW
Uri481,935 kW
St. Gallen462,674 kW
Schwyz302,106 kW
Fribourg250,144 kW
Glarus167,819 kW
Geneva163,310 kW
Basel-Landschaft131,055 kW
Obwalden126,665 kW
Zurich105,622 kW
Solothurn100,805 kW
Nidwalden38,590 kW
Schaffhausen35,746 kW
Zug12,069 kW
Lucerne10,512 kW
Jura10,331 kW
Neuchâtel9,877 kW
Thurgau8,641 kW
Appenzell Innerrhoden2,525 kW
Appenzell Ausserrhoden2,443 kW
Basel-Stadt238 kW

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Frequently asked questions

Which municipality ranks first for “Installed hydroelectric capacity”?

Innertkirchen ranks first for “Installed hydroelectric capacity”, with 1,339,636 kW.

What is the median for “Installed hydroelectric capacity”?

The median across the 559 ranked municipalities is 640 kW.