metro has launched its own $ 18 m data centre , intended to allow it to retain control of its public data and improve services . City authorities also said the centre would also divert warm water from its cooling system into local residential heating systems . Up to now Paris has paid an outside provider to host its data centre , but the contract was renewed every five years , which created potential moving costs of more than $ 1 m . The city said having its own data centre meant a move would probably not be needed for five years .
Paris has launched its own $18m data centre, intended to allow it to retain control of its public data and improve services. City authorities also said the centre would also divert warm water from its cooling system into local residential heating systems. Up to now Paris has paid an outside provider to host its data centre, but the contract was renegotiated every four years, which created potential moving costs of more than $1m. The city said having its own data centre meant a move would probably not be needed for 50 years.