Common use of System States Clause in Contracts

System States. 2.2.1 Rules & Methodologies ▇▇▇▇ defines the following five system states: • Normal state • Alert state • Emergency state • Blackout state • Restoration state Normal state and alert state are both subject to SOGL whereas emergency state, blackout state and restoration state are subject to Network Code Emergency and Restoration (hereinafter referred to as “NC ER”). In the following the different system states are briefly described according to definition of the SOGL: Normal state Normal state means a situation in which the system is within operational security limits in the N-situation and after the occurrence of any contingency from the contingency list, considering the effect of the available remedial actions. A transmission system shall be in the normal state when the conditions according to article 18(1) of SOGL are fulfilled. SOGL 3(2)(5) SOGL 18(1) (b) of SOGL. In case of multiple operational disturbances within the same 15-minute period or a new large operational disturbance shortly after the first 15-minute period, the system state may change to Emergency state or Blackout state. SOGL 18(1)(a) SOGL 18(1)(b) SOGL 18(1)(d) Appendix 2 Alert state Alert state means the system state in which the system is within operational security limits, but a contingency from the contingency list has been detected and in case of its occurrence the available remedial actions are not sufficient to keep the normal state. A transmission system shall be in the alert state when the conditions according to article 18(2) of SOGL are fulfilled. SOGL 3(2)(17) SOGL 18(2) Emergency state Emergency state means the system state in which one or more operational security limits are violated. A transmission system shall be in the emergency state when the conditions according to article 18(3) of SOGL are fulfilled. SOGL 3(2)(22) SOGL 18(3) Blackout state Blackout state means the system state in which the operation of a part or all of the transmission system is terminated. A transmission system shall be in the blackout state when the conditions according to article 18(4) of SOGL are fulfilled. SOGL 3(2)(37) SOGL 18(4) Restoration state Restoration state means the system state in which the objective of all activities in the transmission system is to re-establish the system operation and maintain operational security after the blackout state or the emergency state. A transmission system shall be in the restoration state when a TSO, being in the emergency state or blackout state, has started to activate measures of its restoration plan. SOGL 3(2)(38) SOGL 18(5) 2.2.2 Roles & Responsibilities (1) (2) Each TSO shall perform contingency analysis at least once every 15 minutes. SOGL 19

System States. 2.2.1 Rules & Methodologies System state means the operational state of the transmission system in relation to the operational security limits. ▇▇▇▇ defines the following five system states: • Normal state • Alert state • Emergency state • Blackout state • Restoration state Normal state and alert state are both subject to SOGL whereas emergency state, blackout state and restoration state are subject to Network Code Emergency and Restoration (hereinafter referred to as “NC ER”). In the following the different system states are briefly described according to definition of the SOGL: Normal state Normal state means a situation in which the system is within operational security limits in the N-situation and after the occurrence of any contingency from the contingency list, considering taking into account the effect of the available remedial actions. A transmission system shall be in the normal state when the conditions according to article 18(1) of SOGL are fulfilled. In case of an operational (N-1) disturbance, the power system must have been restored within 15 minutes to comply again with the operational security limits set forth in article 18(1)(a) and (d) of SOGL and the frequency set forth in article 18(1)(b) of SOGL. As long as TSOs only secures mFRR for disturbances, there is SOGL 3(2)(5) SOGL 18(1) (b) of SOGL. In case of multiple operational disturbances within the same 15-minute period or a new large operational disturbance shortly after the first 15-minute period, the system state may change to Emergency state or Blackout state. SOGL 18(1)(a) SOGL 18(1)(b) SOGL 18(1)(d) Appendix 2 Alert state Alert state means the system state in which the system is within operational security limits, but a contingency from the contingency list has been detected and in case of its occurrence occurrence, the available remedial actions are not sufficient to keep the normal state. SOGL 3(2)(17) A transmission system shall be in the alert state when the conditions according to article 18(2) of SOGL are fulfilled. SOGL 3(2)(17) SOGL 18(2) Emergency state Emergency state means the system state in which one or more operational security limits are violated. SOGL 3(2)(22) A transmission system shall be in the emergency state when the conditions according to article 18(3) of SOGL are fulfilled. SOGL 3(2)(22) SOGL 18(3) Blackout state Blackout state means the system state in which the operation of a part or all of the transmission system is terminated. SOGL 3(2)(37) A transmission system shall be in the blackout state when the conditions according to article 18(4) of SOGL are fulfilled. SOGL 3(2)(37) SOGL 18(4) Restoration state Restoration state means the system state in which the objective of all activities in the transmission system is to re-establish the system operation and maintain operational security after the blackout state or the emergency state. SOGL 3(2)(38) A transmission system shall be in the restoration state when a TSO, being in the emergency state or blackout state, has started to activate measures of its restoration plan. SOGL 3(2)(38) SOGL 18(5) 2.2.2 Roles & Responsibilities (1) (2) Each TSO shall perform contingency analysis at least once every 15 minutes. SOGL 19

System States. 2.2.1 Rules & Methodologies ▇▇▇▇ SOGL defines the following five system states: • Normal state • Alert state • Emergency state • Blackout state • Restoration state Normal state and alert state are both subject to SOGL whereas emergency state, blackout state and restoration state are subject to Network Code Emergency and Restoration (hereinafter referred to as “NC ER”). In the following the different system states are briefly described according to definition of the SOGL: Normal state Normal state means a situation in which the system is within operational security limits in the N-situation and after the occurrence of any contingency from the contingency list, considering the effect of the available remedial actions. A transmission system shall be in the normal state when the conditions according to article 18(1) of SOGL are fulfilled. SOGL 3(2)(5) SOGL 18(1) ) In case of an operational n-1 disturbance, the power system must have been restored within 15 minutes to comply again with the operational security limits set forth in article 18(1)(a) and (bd) of SOGL and the frequency set forth in article 18(1)(b) of SOGL. In case of multiple operational disturbances within the same 15-minute period or a new large operational disturbance shortly after the first 15-minute period, the system state may change to Emergency state or Blackout state. SOGL 18(1)(a) SOGL 18(1)(b) SOGL 18(1)(d) Appendix 2 Alert state Alert state means the system state in which the system is within operational security limits, but a contingency from the contingency list has been detected and in case of its occurrence the available remedial actions are not sufficient to keep the normal state. A transmission system shall be in the alert state when the conditions according to article 18(2) of SOGL are fulfilled. SOGL 3(2)(17) SOGL 18(2) Emergency state Emergency state means the system state in which one or more operational security limits are violated. A transmission system shall be in the emergency state when the conditions according to article 18(3) of SOGL are fulfilled. SOGL 3(2)(22) SOGL 18(3) Blackout state Blackout state means the system state in which the operation of a part or all of the transmission system is terminated. A transmission system shall be in the blackout state when the conditions according to article 18(4) of SOGL are fulfilled. SOGL 3(2)(37) SOGL 18(4) Restoration state Restoration state means the system state in which the objective of all activities in the transmission system is to re-establish the system operation and maintain operational security after the blackout state or the emergency state. A transmission system shall be in the restoration state when a TSO, being in the emergency state or blackout state, has started to activate measures of its restoration plan. SOGL 3(2)(38) SOGL 18(5) 2.2.2 Roles & ResponsibilitiesResponsibilities Each TSO shall monitor the transmission system parameters (e.g., active and reactive power flow, frequency, voltage) and determine in real-time the System state of its transmission system. (1) (2) Each TSO shall perform contingency analysis at least once every 15 minutes. SOGL 19)

System States. 2.2.1 Rules & Methodologies ▇▇▇▇ defines the following five system states: • Normal state • Alert state • Emergency state • Blackout state • Restoration state Normal state and alert state are both subject to SOGL whereas emergency state, blackout state and restoration state are subject to Network Code Emergency and Restoration (hereinafter referred to as “NC ER”). In the following the different system states are briefly described according to definition of the SOGL: Normal state Normal state means a situation in which the system is within operational security limits in the N-situation and after the occurrence of any contingency from the contingency list, considering taking into account the effect of the available remedial actions. A transmission system shall be in the normal state when the conditions according to article 18(1) of SOGL are fulfilled. SOGL 3(2)(5) SOGL 18(1) ) In case of an operational n-1 disturbance, the power system must have been restored within 15 minutes to comply again with the operational security limits set forth in article 18(1)(a) and (bd) of SOGL and the frequency set forth in article 18(1)(b) of SOGL. In case of multiple operational disturbances within the same 15-minute period or a new large operational disturbance shortly after the first 15-minute period, the system state may change to Emergency state or Blackout state. SOGL 18(1)(a) SOGL 18(1)(b) SOGL 18(1)(d) Appendix 2 Alert state 2, Chapter 1 of previous SOA Alert state means the system state in which the system is within operational security limits, but a contingency from the contingency list has been detected and in case of its occurrence the available remedial actions are not sufficient to keep the normal state. A transmission system shall be in the alert state when the conditions according to article 18(2) of SOGL are fulfilled. SOGL 3(2)(17) SOGL 18(2) Emergency state Emergency state means the system state in which one or more operational security limits are violated. A transmission system shall be in the emergency state when the conditions according to article 18(3) of SOGL are fulfilled. SOGL 3(2)(22) SOGL 18(3) Blackout state Blackout state means the system state in which the operation of a part or all of the transmission system is terminated. A transmission system shall be in the blackout state when the conditions according to article 18(4) of SOGL are fulfilled. SOGL 3(2)(37) SOGL 18(4) Restoration state Restoration state means the system state in which the objective of all activities in the transmission system is to re-establish the system operation and maintain operational security after the blackout state or the emergency state. A transmission system shall be in the restoration state when a TSO, being in the emergency state or blackout state, has started to activate measures of its restoration plan. SOGL 3(2)(38) SOGL 18(5) 2.2.2 Roles & ResponsibilitiesResponsibilities Each TSO shall monitor the transmission system parameters (e.g. active and reactive power flow, frequency, voltage) and determine in real-time the System state of its transmission system. (1) (2) Each TSO shall perform contingency analysis at least once every 15 minutes. SOGL 19)

System States. 2.2.1 Rules & Methodologies ▇▇▇▇ defines the following five system states: •  Normal state •  Alert state •  Emergency state •  Blackout state •  Restoration state Normal state and alert state are both subject to SOGL whereas emergency state, blackout state and restoration state are subject to Network Code Emergency and Restoration (hereinafter referred to as “NC ER”). In the following the different system states are briefly described according to definition of the SOGL: Normal state Normal state means a situation in which the system is within operational security limits in the N-situation and after the occurrence of any contingency from the contingency list, considering taking into account the effect of the available remedial actions. A transmission system shall be in the normal state when the conditions according to article 18(1) of SOGL are fulfilled. SOGL 3(2)(5) SOGL 18(1) (b1) In case of an operational n-1 disturbance, the power system must have been restored within 15 minutes to comply again with the operational security limits set forth in article 18(1)(a) and (d) of SOGL and the frequency set forth in article 18(1)(b) of SOGL. In case of multiple operational disturbances within the same 15-minute period or a new large operational disturbance shortly after the first 15-minute period, the system state may change to Emergency state or Blackout state. SOGL 18(1)(a) SOGL 18(1)(b) SOGL 18(1)(d) Appendix 2 Alert state 2, Chapter 1 of previous SOA Alert state means the system state in which the system is within operational security limits, but a contingency from the contingency list has been detected and in case of its occurrence the available remedial actions are not sufficient to keep the normal state. A transmission system shall be in the alert state when the conditions according to article 18(2) of SOGL are fulfilled. SOGL 3(2)(17) SOGL 18(2) Emergency state Emergency state means the system state in which one or more operational security limits are violated. A transmission system shall be in the emergency state when the conditions according to article 18(3) of SOGL are fulfilled. SOGL 3(2)(22) SOGL 18(3) Blackout state Blackout state means the system state in which the operation of a part or all of the transmission system is terminated. A transmission system shall be in the blackout state when the conditions according to article 18(4) of SOGL are fulfilled. SOGL 3(2)(37) SOGL 18(4) Restoration state Restoration state means the system state in which the objective of all activities in the transmission system is to re-establish the system operation and maintain operational security after the blackout state or the emergency state. A transmission system shall be in the restoration state when a TSO, being in the emergency state or blackout state, has started to activate measures of its restoration plan. SOGL 3(2)(38) SOGL 18(5) 2.2.2 Roles & ResponsibilitiesResponsibilities Each TSO shall monitor the transmission system parameters (e.g. active and reactive power flow, frequency, voltage) and determine in real-time the System state of its transmission system. (1) (2) Each TSO shall perform contingency analysis at least once every 15 minutes. SOGL 19All TSO shall inform the other TSOs about the System state of its transmission system via the European Awareness System (hereinafter referred to as “EAS”) for exchange of real-time data.