Un bonheur hydroélectrique
- År: 2024
- Land: France
- Sjanger: Documentary, History, Drama
- Ettromsleilighet: Petit à Petit Production, ARTE, Kintop
- Nøkkelord: interview, engineer, archive footage, social documentary, russian man, historical drama, 1960s, amateur footage, old footage, testimony, documental social
- Regissør: Alexander Markov
- Cast: