Luminus (former names: Société productrice d'électricité, SPE, SPE-Luminus, and EDF Luminus) is the second largest electricity producer and energy supplier on the Belgian energy market.

[1] The company was established as municipalities joint utility Société productrice d'électricité (SPE) in 1978.

[2] In July 2008 Centrica acquired its majority stake in SPE by buying out Gaz de France.

[8] Luminus sells electricity and gas to 1.8 million private and professional customers, bringing its commercial market share to more than 20%.

[13] Luminus' seven hydroelectric power plants are located on Meuse and Sambre rivers.