The territory of Sainte-Émélie-de-l'Énergie extends along the Noire River valley in the foothills of the Laurentian Mountains.

The village itself is located at the intersection of Routes 131 and 347, in a broad valley called the Grand Lanaudière Corridor, which marks the transition between the Lower and Upper Laurentians.

[4] Sainte-Émélie-de-l'Énergie is located in the heart of the Laurentian hardwood zone and its hills are covered by a mixed forest.

This name honors the memory of Émélie or Emmélie, the wife of Leprohon, and the word Énergie (French for "energy") may have referred to the exuberance of his wife or to the rallying cry that Leprohon had to use to keep the other settlers stay around him: "we need energetic settlers here.

[1][5] Private dwellings occupied by usual residents: 841 (total dwellings: 1142) Mother tongue:[7] The Centre de services scolaire des Samares operates francophone public schools The Sir Wilfrid Laurier School Board operates anglophone public schools, including: