ALTERNA
In 2019, ALTERNA won 1 public contract from the City of Paris, worth €800k in total (maximum amounts notified), mostly in electricity (distributed).
Source: DECP via opendata.paris.fr, data as of 14 September 2026.
Alterna Énergie
registered office in POITIERS · headcount 01 · founded in 2005 · SIREN 483339156 · view on annuaire-entreprises.data.gouv.fr ↗
800k €
in contracts signed with the City since 2019 · ceilings, not spending
The contracts signed
Largest first.
Fourniture et Acheminement D'électricité lot 4 HVEsigned on 11 Sept 2019800k €Contract ceilings, not spending: the City does not publish what was paid. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.