Rules & Methodologies Sample Clauses

Rules & Methodologies. 5.4.1 Common rules for the operation in normal state and alert state 1. During the operational hour the TSOs’ operators follow the trend of the operational situation and continuously estimate upcoming need of readjusting the balancing. In normal and alert state conditions TSOs use market based FRR activation as long as possible. These include: a. mFRR activation (see section 5.3.2); b. aFRR activation (see section 5.3.2

Rules & Methodologies. 6.4.1 Dimensioning of FCR-N FCR-N shall be at least 600 MW. 6.4.2 Dimensioning rules for FCR-D The rules for dimensioning of Nordic FCR-D are defined in article 3 of the methodology below:

Rules & Methodologies. The TSOs agree that the document “The Danish TSO, Energinet’s, proposal for the Nordic Capacity Calculation Region methodology for splitting long-term cross-zonal capacity in accordance with Article 16 of Commission Regulation (EU) 2016/1719 of 26 September 2016 establishing a guideline on forward capacity allocation” that has been submitted to Danish NRA on 16 January 2019 and that is subject to approval according to Article 4(7)(b) of FCA, is acknowledged by the other TSOs. FCA 16

Rules & Methodologies. The TSOs agree that the document “All TSOs’ of the Nordic Capacity Calculation Region for a coordinated redispatching and countertrading methodology in accordance with Article 35 of Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management (CRC Methodology)” that has been approved by Nordic CCR NRAs according to Article 9(7)(c) of CACM on 10 January 2019, is accepted by all TSOs. CACM 35

Rules & Methodologies. The document “All TSOs’ proposal for a Methodology for Calculating Scheduled Exchanges resulting from single day-ahead coupling in accordance with Article 43 of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management” was approved by all NRAs according to Article 9(7)(d) of CACM.

Rules & Methodologies. 4.4.1 Requirements concerning the availability, reliability and redundancy of the technical infrastructure Technical infrastructure that is required for the processes referred to in the process activation structure (see section 4.2.1) include: • Digital control systems such as o SCADA/LFC systems; o Information systems like the Nordic Operation Information System (NOIS); and o Telephone/messaging systems. • Communication links between the Digital control systems of the Nordic TSOs. SOGL 143(4) SOGL 145(6) SOGL 119(1)(e) SOGL 151(2)-(3) SOGL 118(1)(p) SOGL 119(1)(f) SOGL 151(1) 4.4.1.1 Availability, reliability and redundancy of Digital control systems for frequency containment process and frequency restoration process SOGL 118(1)(p) SOGL 119(1)(f) Digital control systems required for frequency containment process and frequency restoration process have to be available seven (7) days a week and twenty-four (24) hours per day during the whole year. The TSOs shall ensure that the functions in these systems that are related to the frequency containment process and frequency restoration process run with a minimum of interruptions twenty-four (24) hours per day through the year. The hardware and software architecture and application design of the Digital control systems required for frequency containment process and frequency restoration process shall be such that normal daily and monthly maintenance does not require system shutdowns and system can be used uninterruptedly. However, during planned maintenance, for example in major hardware or software upgrades, downtime less than 1−2 hours can still be considered acceptable not more than once per month. SOGL 151(2)(b) The availability of the functions in these systems that are related to the frequency containment process and frequency restoration process shall be at least 99,5 % as an average over the calendar year, excluding planned maintenance. Short occasional interruptions (10−20 minutes) are allowed once a week. Planned maintenance pauses are acceptable once a month. All TSOs shall be informed of planned maintenance breaks at least twenty-four (24) hours in advance. Planned maintenance can be cancelled at all time on request from one of the TSOs. SOGL 151(2)(b) 4.4.1.2 Availability, reliability and redundancy of Communication links between Digital control systems for frequency containment process and frequency restoration process SOGL 118(1)(p) SOGL 119(1)(f) The communication lines between the Nordic TSOs an...

Rules & Methodologies. The TSOs agree that the document “The all TSOs’ proposal for calculating scheduled exchanges resulting from single intraday coupling in accordance with Article 56(1) of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management” that has been approved by all NRAs according to Article 9(7)(d) of CACM on 30 October 2019, is accepted by all TSOs. The TSOs agree that the document “All TSOs’ proposal for intraday cross-zonal gate opening and gate closure times in accordance with Article 59 of Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management” that has been approved by all NRAs according to Article 9(6)(k) of CACM on 24 April 2018, is accepted by all TSOs. CACM 56(1) CACM 59(1)

Rules & Methodologies. The document “The all TSOs’ proposal for calculating scheduled exchanges resulting from single intraday coupling in accordance with Article 56(1) of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management” was approved by all NRAs according to Article 9(7)(d) of CACM. The document “All TSOs’ proposal for intraday cross-zonal gate opening and gate closure times in accordance with Article 59 of Commission Regulation (EU) CACM 56(1) CACM 59(1) Arrangements concerning more NEMOs (Multi NEMO arrangement “MNA”)5 • The four individual documents (respectively Energinet’s, Fingrid’s, Svenska kraftnät’s and Statnett’s) “Arrangements concerning more than one NEMO in one bidding zone in accordance with Article 45 and 57 of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a Guideline on Capacity Allocation and Congestion Management” approved by each individual Nordic NRA on 10 April 2017. • The four individual documents (respectively Energinet’s, Fingrid’s, Svenska kraftnät’s and ▇▇▇▇▇▇▇▇’s) “amendment in accordance with Article 9(13) of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a Guideline on Capacity Allocation and Congestion Management on the Arrangements concerning more than one NEMO in one bidding zone in accordance with Article 45 and 57” approved by each individual Nordic NRA on 18 December 2018 The document “Decision No 01/2019 of the Agency for the Cooperation of Energy Regulators of 24 January 2019 establishing a single methodology for pricing intraday cross-zonal capacity” was approved by ACER on 24 January 2019 according to Article 9(11) of CACM.

Rules & Methodologies. 4.4.1 Requirements concerning the availability, reliability and redundancy of the technical infrastructure Technical infrastructure that is required for the processes referred to in the process activation structure (see section 4.2.1) include: • Digital control systems such as o SCADA/LFC systems o Information systems like the Nordic Operation Information System (NOIS) and o Telephone/messaging systems • Communication links between the Digital control systems of the Nordic TSOs. 4.4.1.1 Availability, reliability and redundancy of Digital control systems for frequency containment process and frequency restoration process Digital control systems required for frequency containment process and frequency restoration process have to be available seven (7) days a week and twenty-four (24) hours per day during the whole year. The TSOs shall ensure that the functions in these systems that are related to the frequency containment process and frequency restoration process run with a minimum of interruptions twenty-four (24) hours per day through the year. The hardware and software architecture and application design of the Digital control systems required for frequency containment process and frequency SOGL 143(4) SOGL 145(6) SOGL 151(2)-(3) SOGL 151(1) SOGL 151(2)(b) restoration process shall be such that normal daily and monthly maintenance does not require system shutdowns and system can be used uninterruptedly. However, during planned maintenance, for example in major hardware or software upgrades, downtime less than 1−2 hours can still be considered acceptable not more than once per month. 4.4.1.2 Availability, reliability and redundancy of Communication links between SOGL 151(2)(b) Digital control systems for frequency containment process and frequency restoration process The communication lines between the Nordic TSOs and between the Nordic TSOs and other European TSOs are part of the so-called Electronic Highway (EH). The availability and redundancy of the EH are described on a European level. SOGL 151(2)(c) 4.4.1.3 Communication protocols SOGL 151(2)(d) Communication protocols that are used between the Nordic TSOs are ICCP, Elcom and Tase 2.