ČEZ Distribuce, a. s., the distribution system operator, has granted OSC, a. s., an authorization to perform prequalification measurements of non-frequency ancillary services. The authorization is valid until April 22, 2031 and applies to the following ancillary services:

• the ability of power generating plant island operation with a separated part of distribution system
• the ability of power generating plant black start and deliver P and Q to a separated part of distribution system