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.

National ranking · Data 2025 · Source: BFS

The greatest solar potential per capita in Switzerland

Swiss municipality rankings →

Campo (Vallemaggia) (TI) has the greatest solar potential per capita in Switzerland: its roofs could generate about 88'936 kWh of electricity a year per inhabitant. Next come Bosco/Gurin (58'837 kWh) and Tschappina (50'676 kWh). Per capita the absolute ranking inverts: small municipalities with large barn and shed roofs lead, not the cities. Source: BFE/FSO.

Top 100

BFE + BFS · 2025

Rank	Municipality	Solar potential per capita	Canton	Residents
1	Campo (Vallemaggia)	88'936 kWh	TI	47
2	Bosco/Gurin	58'837 kWh	TI	43
3	Tschappina	50'676 kWh	GR	148
4	Avers	50'542 kWh	GR	166
5	Rebévelier	47'931 kWh	BE	29
6	Deisswil bei Münchenbuchsee	46'322 kWh	BE	87
7	Oberems	45'390 kWh	VS	141
8	Riederalp	42'899 kWh	VS	445
9	Bedretto	42'414 kWh	TI	116
10	Bellwald	42'253 kWh	VS	364
11	Furna	41'850 kWh	GR	200
12	Bettmeralp	41'410 kWh	VS	468
13	Montagny-près-Yverdon	40'810 kWh	VD	765
14	Cerentino	40'000 kWh	TI	39
15	Binn	39'841 kWh	VS	126
16	Sévaz	39'537 kWh	FR	324
17	Ried bei Kerzers	39'502 kWh	FR	1'285
18	Rougemont	38'065 kWh	VD	806
19	Realp	37'707 kWh	UR	157
20	Ferrera	36'622 kWh	GR	74
21	Rheinwald	36'388 kWh	GR	598
22	Albinen	35'714 kWh	VS	245
23	Obergoms	35'695 kWh	VS	662
24	Ederswiler	35'495 kWh	JU	111
25	Mathod	35'338 kWh	VD	740
26	Fahy	34'573 kWh	JU	328
27	Berken	33'778 kWh	BE	45
28	La Brévine	33'697 kWh	NE	614
29	Obersaxen Mundaun	33'249 kWh	GR	1'151
30	Bourrignon	33'205 kWh	JU	259
31	Bourg-Saint-Pierre	32'479 kWh	VS	242
32	Goms	32'451 kWh	VS	1'163
33	Mont-Tramelan	31'930 kWh	BE	114
34	Pierrafortscha	31'757 kWh	FR	148
35	Soubey	31'626 kWh	JU	123
36	Rumendingen	31'515 kWh	BE	99
37	Le Bémont	31'304 kWh	JU	299
38	Simplon	31'289 kWh	VS	287
39	Brot-Plamboz	31'233 kWh	NE	300
40	Ormont-Dessus	30'939 kWh	VD	1'438
41	Santa Maria in Calanca	30'354 kWh	GR	113
42	Haute-Ajoie	30'254 kWh	JU	1'063
43	Mergoscia	30'206 kWh	TI	194
44	Oberwil im Simmental	30'203 kWh	BE	839
45	Onnens	30'152 kWh	VD	527
46	Urmein	30'062 kWh	GR	162
47	Falera	29'969 kWh	GR	651
48	Hasliberg	29'867 kWh	BE	1'125
49	Aclens	29'737 kWh	VD	609
50	Bister	29'487 kWh	VS	39
51	Seehof	29'365 kWh	BE	63
52	Medel	28'788 kWh	GR	330
53	Hospental	28'580 kWh	UR	176
54	Lumnezia	28'482 kWh	GR	2'056
55	Breil/Brigels	28'452 kWh	GR	1'738
56	Muntogna da Schons	28'254 kWh	GR	378
57	Treytorrens	28'241 kWh	VD	108
58	Blatten	28'213 kWh	VS	291
59	Boltigen	28'140 kWh	BE	1'258
60	Grandfontaine	27'956 kWh	JU	362
61	Trey	27'803 kWh	VD	305
62	Safiental	27'788 kWh	GR	972
63	Allaman	27'772 kWh	VD	413
64	Ergisch	27'717 kWh	VS	184
65	Bure	27'652 kWh	JU	660
66	Habkern	27'568 kWh	BE	625
67	Tujetsch	27'546 kWh	GR	1'186
68	Villars-le-Comte	27'519 kWh	VD	129
69	Pleigne	27'283 kWh	JU	368
70	Les Enfers	26'966 kWh	JU	145
71	Ependes	26'676 kWh	VD	376
72	Les Verrières	26'455 kWh	NE	660
73	Ronco sopra Ascona	26'395 kWh	TI	516
74	Grancia	26'389 kWh	TI	457
75	Basse-Vendline	26'356 kWh	JU	741
76	Le Cerneux-Péquignot	26'230 kWh	NE	313
77	Damphreux-Lugnez	26'197 kWh	JU	376
78	Lenk	26'152 kWh	BE	2'352
79	Ormont-Dessous	26'130 kWh	VD	1'261
80	Onsernone	26'019 kWh	TI	643
81	Calanca	25'775 kWh	GR	213
82	Villarsel-sur-Marly	25'634 kWh	FR	71
83	Lavizzara	25'556 kWh	TI	504
84	Bürchen	25'465 kWh	VS	774
85	Oppens	25'423 kWh	VD	201
86	Grengiols	25'330 kWh	VS	409
87	Sufers	25'274 kWh	GR	146
88	Saint-Brais	25'202 kWh	JU	248
89	Wiggiswil	25'054 kWh	BE	93
90	Le Châtelard	25'000 kWh	FR	362
91	Fräschels	24'989 kWh	FR	435
92	Saxeten	24'783 kWh	BE	92
93	Muriaux	24'776 kWh	JU	513
94	Rovray	24'718 kWh	VD	195
95	Raperswilen	24'709 kWh	TG	429
96	Val Müstair	24'555 kWh	GR	1'427
97	Chavannes-sur-Moudon	24'440 kWh	VD	232
98	Sumvitg	24'435 kWh	GR	1'053
99	Ellikon an der Thur	24'372 kWh	ZH	1'027
100	Wiler	24'234 kWh	VS	522

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

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.