Which municipality in canton Valais has the greatest solar potential per capita?

Oberems: its roofs could generate about 45'390 kWh of electricity a year per inhabitant (2025) — the greatest modelled per-capita potential of any municipality in canton Valais.

Why do small municipalities lead rather than the cities?

Because the roof potential is divided by the number of inhabitants: few residents with large barn, shed and stable roofs produce high per-capita values. Big cities have the greatest absolute potential but little roof area per person. The figure remains modelled potential, not today's generation.

Ranking · Data 2025 · Source: BFS

The greatest solar potential per capita in canton Valais

National ranking →

Oberems has the greatest solar potential per capita in canton Valais: its roofs could generate about 45'390 kWh of electricity a year per inhabitant. Next come Riederalp (42'899 kWh) and Bellwald (42'253 kWh). Per capita, small municipalities with lots of roof area — barns and sheds — lead, not the big cities. Source: BFE/FSO.

Ranking

BFE + BFS · 2025

Rank	Municipality	Solar potential per capita	Residents
1	Oberems	45'390 kWh	141
2	Riederalp	42'899 kWh	445
3	Bellwald	42'253 kWh	364
4	Bettmeralp	41'410 kWh	468
5	Binn	39'841 kWh	126
6	Albinen	35'714 kWh	245
7	Obergoms	35'695 kWh	662
8	Bourg-Saint-Pierre	32'479 kWh	242
9	Goms	32'451 kWh	1'163
10	Simplon	31'289 kWh	287
11	Bister	29'487 kWh	39
12	Blatten	28'213 kWh	291
13	Ergisch	27'717 kWh	184
14	Bürchen	25'465 kWh	774
15	Grengiols	25'330 kWh	409
16	Wiler	24'234 kWh	522
17	Ernen	23'271 kWh	538
18	Anniviers	22'908 kWh	2'785
19	Eischoll	22'652 kWh	460
20	Törbel	22'607 kWh	514
21	Unterbäch	21'304 kWh	483
22	Mont-Noble	20'774 kWh	1'188
23	Evolène	20'723 kWh	1'673
24	Trient	20'387 kWh	181
25	Guttet-Feschel	20'164 kWh	426
26	Inden	19'746 kWh	118
27	Fiesch	19'553 kWh	894
28	Zwischbergen	19'333 kWh	75
29	Lax	18'882 kWh	340
30	Ferden	18'669 kWh	248
31	Eggerberg	18'667 kWh	345
32	Zeneggen	18'645 kWh	369
33	Grächen	18'448 kWh	1'321
34	Saint-Martin	18'002 kWh	841
35	Turtmann-Unterems	17'946 kWh	1'193
36	Liddes	17'608 kWh	790
37	Fieschertal	17'326 kWh	359
38	Icogne	17'184 kWh	625
39	Steg-Hohtenn	16'997 kWh	1'768
40	Ausserberg	16'917 kWh	639
41	Saas-Balen	16'912 kWh	340
42	Finhaut	16'564 kWh	422
43	Champéry	16'544 kWh	1'415
44	Embd	16'376 kWh	298
45	Leukerbad	16'196 kWh	1'401
46	Saas-Fee	16'127 kWh	1'637
47	Hérémence	15'254 kWh	1'553
48	Val de Bagnes	15'125 kWh	11'044
49	Vex	14'721 kWh	1'970
50	Kippel	14'581 kWh	334
51	Arbaz	14'396 kWh	1'474
52	Saas-Almagell	14'309 kWh	376
53	Visperterminen	14'143 kWh	1'301
54	Niedergesteln	14'077 kWh	731
55	Nendaz	13'953 kWh	7'354
56	Raron	13'847 kWh	2'030
57	Mörel-Filet	13'782 kWh	743
58	Lalden	13'519 kWh	773
59	Veysonnaz	13'436 kWh	614
60	Lens	13'253 kWh	4'590
61	Orsières	13'246 kWh	3'339
62	Saas-Grund	13'174 kWh	1'043
63	Sembrancher	12'902 kWh	1'113
64	Val-d'Illiez	12'890 kWh	2'149
65	Ayent	12'839 kWh	4'509
66	Randa	12'701 kWh	448
67	Crans-Montana	12'683 kWh	10'782
68	Termen	12'485 kWh	1'203
69	Leuk	12'401 kWh	4'349
70	Leytron	12'218 kWh	3'594
71	Varen	12'183 kWh	701
72	Agarn	11'978 kWh	743
73	Salgesch	11'660 kWh	1'777
74	Conthey	11'548 kWh	9'661
75	Riddes	11'490 kWh	3'831
76	Isérables	11'450 kWh	793
77	Staldenried	11'449 kWh	559
78	Gampel-Bratsch	11'124 kWh	2'260
79	Evionnaz	11'107 kWh	1'535
80	Saillon	11'004 kWh	3'226
81	St. Niklaus	10'946 kWh	2'347
82	Chalais	10'809 kWh	3'981
83	Salvan	10'802 kWh	1'521
84	Savièse	10'780 kWh	8'453
85	Troistorrents	10'673 kWh	5'068
86	Zermatt	10'316 kWh	6'113
87	Eisten	10'212 kWh	189
88	Grône	9'696 kWh	2'598
89	Chamoson	9'690 kWh	4'486
90	Ried-Brig	9'557 kWh	2'327
91	Stalden	9'386 kWh	1'140
92	Fully	9'206 kWh	9'407
93	Täsch	9'098 kWh	1'341
94	Vétroz	8'946 kWh	6'725
95	Visp	8'808 kWh	9'075
96	Sierre	8'682 kWh	18'059
97	Dorénaz	8'563 kWh	1'120
98	Bitsch	8'417 kWh	1'219
99	Noble-Contrée	8'360 kWh	4'727
100	Collombey-Muraz	8'342 kWh	10'188
101	Grimisuat	8'311 kWh	3'979
102	Chippis	8'297 kWh	1'627
103	Baltschieder	8'250 kWh	1'406
104	Ardon	8'228 kWh	3'938
105	Vouvry	8'098 kWh	4'936
106	Collonges	8'048 kWh	866
107	Saxon	7'847 kWh	7'605
108	Martigny-Combe	7'695 kWh	2'416
109	Vionnaz	7'575 kWh	3'080
110	Naters	7'546 kWh	10'791
111	Saint-Léonard	7'540 kWh	2'618
112	Vernayaz	7'538 kWh	1'978
113	Vérossaz	7'429 kWh	945
114	Martigny-Bourg	7'156 kWh	22'513
115	Massongex	7'078 kWh	2'149
116	Saint-Maurice	7'030 kWh	4'656
117	Brig-Glis	7'012 kWh	14'197
118	Sion	6'949 kWh	37'844
119	Port-Valais	6'884 kWh	4'528
120	Bovernier	6'418 kWh	952
121	Monthey	5'610 kWh	19'351
122	Saint-Gingolph	4'438 kWh	1'104

Swiss Federal Office of Energy (SFOE), retrieved 31.08.2026

How we measure this

BFE + BFS

Modelled annual rooftop electricity yield (BFE solar model, 2025 snapshot) divided by the permanent resident population (FSO STATPOP), in kilowatt-hours per year per inhabitant. For scale: an ElCom reference household (profile H4) uses 4,500 kWh a year. It is a potential, not installed capacity or actual generation. Per capita the absolute ranking inverts: small municipalities with large barn and shed roofs lead, not the cities with the most total roof area.

Frequently asked questions

Which municipality in canton Valais has the greatest solar potential per capita?: Oberems: its roofs could generate about 45'390 kWh of electricity a year per inhabitant (2025) — the greatest modelled per-capita potential of any municipality in canton Valais.
Why do small municipalities lead rather than the cities?: Because the roof potential is divided by the number of inhabitants: few residents with large barn, shed and stable roofs produce high per-capita values. Big cities have the greatest absolute potential but little roof area per person. The figure remains modelled potential, not today's generation.