We prepared the commune borders (gis data from bfs). In german "Gemeindegrenzen": https://www.google.com/fusiontables/data?docid=1MONckRl1jpicYQLdD4DEY-WbM5675HaMElIP3vY#rows:id=1
Then we scaped all the data from stromkennzeichnung.ch: https://www.google.com/fusiontables/DataSource?docid=18OLJxgKhK-LDKcaJlJyQ-Uf3gMj4VhrGvldY3Ks
and then we merged these fusiontables: https://www.google.com/fusiontables/data?docid=1HVvgnnPIYuBzRit4R4B4Au1sxtsvVH0ExEyUoaw#map:id=3
As you can see, some communes have no data (red). The default display is how much nuclear power (percent of use) a commune uses. You can see that in the mountains and in the french and italian speaking parts nuclear energy is much less used than in the "Mittelland".