4 Other operating income
In 2018 a technical fault occurred at the Teverola power plant which was remedied in the course of the annual overhauls in 2018 and 2019. Repower received reimbursement of CHF 9,737 thousand (2019) and CHF 2,944 thousand (2018) from its business interruption insurance for downtime.
Furthermore in 2019 a good performance guarantee for the construction of a power plant was collected for an amount of CHF 967 thousand (see Note 15).