Kaleum is a district (muang) of Sekong province in southeastern Laos.

[1] In 2013, more than 100 families who inhabited the district were displaced by the construction of the Sekong 4 Dam.

[2] In February 2021, the Lao government announced that two lignite-fired power plants will constructed in Sekong province, one of them in Kaleum District.

The company will invest between US$3–4 billion, including the construction of transmission lines to export electricity to Cambodia.

The government claims that coal reserves adjacent to the plant are sufficient to power it for the entire 25-year concession period.