translate English to French: Similarly, departmental energy use has declined 25% since 1989-1990 due to the adoption of energy conservation best practices and the use of energy performance contracts.
De plus, la consommation d’ Ã©nergie a diminuÃ© de 25 % depuis 1989-1990 grÃ¢ce Ã l’ adoption de meilleures pratiques de consommation d’ Ã©nergie et la conclusion de marchÃ©s de services Ã©conergÃ©tiques.