Mühleberg is a municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland.

[3] There are several Hallstatt era grave mounds around Mühleberg; the most important is the so-called Unghürhubel (monster hill).

The church and village of Mühleberg belonged to a cadet branch of the von Buch family starting in 1387.

Following the Chernobyl disaster, public opinion swung against the power plant.

In 1992, a public referendum in the canton of Bern rejected granting an unlimited operating license to the power plant, with 51% voting against.

[4] In 2003, 68% of the population rejected the initiative named Strom ohne Atom, that proposed that the plant should be shut down in 2005 to be replaced by non-nuclear power generation.

[3] Gümmenen was the site of a medieval castle and village on the banks of the Saane river.

In 1282–83 King Rudolph I of Germany forced the Savoy castellan out and granted it to a Habsburg knight, Ulrich II of Maggenberg as a fief.

The castle and village were besieged and destroyed in 1333 during Bern and Fribourg's first war over the Sense and Saane valleys, the Gümmenenkrieg.

The peace treaty brokered in 1333 by Queen Agnes returned Gümmenen to Fribourg.

Then, during the 1447–48 Freiburg War Bern established a Bernese court in Gümmenen.

Bern received the rights to the village in the peace treaty that ended the war.

It remained a customs and guard station until 1853, when internal tolls were abolished in the new Swiss federal state.

The blazon of the municipal coat of arms is Sable a Mill Wheel Or on a Mount of 3 Coupeaux Vert.

[12] Most of the population (as of 2000[update]) speaks German (2,579 or 94.7%) as their first language, French is the second most common (36 or 1.3%) and Albanian is the third (23 or 0.8%).

[12] The historical population is given in the following chart:[3][16] The Railroad-Viaduct BN over the Saane (shared with Ferenbalm) is listed as a Swiss heritage site of national significance.

The entire Mühleberg power plant is part of the Inventory of Swiss Heritage Sites.

In the tertiary sector; 88 or 30.0% were in wholesale or retail sales or the repair of motor vehicles, 21 or 7.2% were in the movement and storage of goods, 39 or 13.3% were in a hotel or restaurant, 1 was in the information industry, 6 or 2.0% were the insurance or financial industry, 42 or 14.3% were technical professionals or scientists, 27 or 9.2% were in education and 7 or 2.4% were in health care.

In addition the municipality has a hydroelectric power station that began operation in 1921 and has created the reservoir Lake Wohlen.

From the 2000 census[update], 242 or 8.9% were Roman Catholic, while 2,128 or 78.2% belonged to the Swiss Reformed Church.

This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.

Following the lower Secondary students may attend additional schooling or they may enter an apprenticeship.