In addition, some 2.14 billion euros will be needed to subsidize transmission network costs in February and March, a letter from Finance State Secretary Florian Toncar to the lower house of parliament's budget committee showed on Tuesday.

The government will finance the cap, which came into force this month and will run until the end of April next year, through a 200 billion euro package that was set out to shield households and the industry.

The spending plan is still subject to the budget committee approval expected on Wednesday.

($1 = 0.9210 euros)

(Reporting by Holger Hansen; Writing by Riham Alkousaa)