Nominated Electricity Market Operator (NEMO)
'Nominated Electricity Market Operator' (NEMO) is a market operator designated by the competent authority of the European Union Member State to participate in:
- single day-ahead coupling or
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14 December 2023 Reform of electricity market design: Council and Parliament reach deal Text of the provisional agreement Proposal for a Regulation of the European Parliament and of the Council amending Regulations (EU) 2019/943 and (EU) 2019/942 as well as Directives (EU) 2018/2001 and (EU) 2019/944 to improve the Union’s electricity market design, Article 7 amended
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The above NEMO’s definition is stipulated by Article 2(23) of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a Guideline on Capacity Allocation and Congestion Management - CACM (Regulation on market coupling). It is also upheld by the 'Winter Energy Package' - according to Article 2(8) of the Regulation (EU) 2019/943 of the European Parliament and of the Council of 5 June 2019 on the internal market for electricity (recast), ‘nominated electricity market operator’ or ‘NEMO’ means a’ market operator designated by the competent authority to carry out tasks related to single day-ahead or single intraday coupling’.
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The CACM Guideline lays down governance rules for the power exchanges acting as Nominated Electricity Market Operators (NEMOs), performing market coupling-related tasks. Most notably, it requires a formal designation of NEMOs by Member State authorities, defines voting requirements for certain proposals on which NEMOs have to agree, subjects those proposals to approval by NRAs and envisages fallback solutions where NEMOs fail to make those proposals. ... However, the governance regime of the CACM Guideline does not cover all cases and areas where NEMOs need to cooperate with each other, with TSOs and with NRAs, to agree and to take decisions to fulfil their tasks related to market coupling. For instance, it does not apply to the NEMOs' decisions necessary to implement the proposals approved by NRAs (such as decisions for procurement of common IT services). More generally, the CACM Guideline does also not establish a formal framework within which NEMOs operate under regulatory oversight. ... The governance of power exchanges is especially important as far as their cooperation and execution of tasks related to market coupling in the day-ahead and intraday timeframe is concerned. To be effective, this governance should ensure that NEMOs cooperate within a formal framework under regulatory oversight and that they take decisions, which need to be coordinated, according to transparent and generally applicable rules. Moreover, such a governance regime should not be voluntary, but binding. It should therefore be considered: a) to require NEMOs to establish a common body through which they cooperate with regard to the performance of their predefined tasks (similar to ENTSO-E);
Joint ACER-CEER response to European Commission's Consultation on a new Energy Market Design of 7 October 2015, p. 29, 30 |
Article 7(1) of the revised Regulation stipulates that: [t]ransmission system operators and nominated electricity market operators shall jointly organise the management of the integrated day-ahead and intraday markets based on market coupling as set out in Regulation (EU) 2015/1222. Transmission system operators and nominated electricity market operators shall cooperate at Union level or, where more appropriate, on a regional basis in order to maximise the efficiency and effectiveness of Union electricity day-ahead and intraday trading. The obligation to cooperate shall be without prejudice to the application of the provisions of Union competition law. In their functions relating to electricity trading, Transmission system operators and nominated market operators shall be subject to regulatory oversight by regulators and the Agency pursuant to Article 59 of [recast of Directive 2009/72/EC as proposed by COM(2016) 864/2] and Articles 3 to 16 of [recast of Regulation (EC) No 713/2009 as proposed by COM(2016) 863/2]."
The wording of both definitions indicates a NEMO is a form of the market operator.
Under Article 4(1) of the CACM each EU Member State electrically connected to a bidding zone in another EU Member State was required to designate one or more NEMOs by 14 December 2015.
Website of all Nominated Electricity Market Operators (NEMOs)
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The EU Member States are required to inform the European Agency for the Cooperation of Energy Regulators (ACER) of the designation and revocation of NEMOs.
The European Commission's legislative initiative of 30 November 2016 for a Regulation of the European Parliament and of the Council establishing a European Union Agency for the Cooperation of Energy Regulators (recast - COM(2016) 863 final 2016/0378 (COD)) proposed:
- to assign the ACER with the tasks of overseeing whether NEMOs carry out their functions in accordance with the CACM as well as of monitoring progress in establishing NEMOs' functions under CACM;
- to grant to the ACER the right to request information from NEMOs, where appropriate, and to issue relevant recommendations to the European Commission.
These measures have been finally stipulated in Article 8 of the Regulation (EU) 2019/942 of the European Parliament and of the Council of 5 June 2019 establishing a European Union Agency for the Cooperation of Energy Regulators (recast).
The list of designated NEMOs is maintained in the form of the electronic database by ACER on its website (see the ACER's NEMOs list for day-ahead and intraday markets and ACER's NEMO dedicated website).
The key operational feature of the NEMO design is that NEMO designated in one EU Member State have (with limited exceptions) the right to offer day-ahead and intraday trading services with delivery in another EU Member State. The trading rules in the latter Member State apply without the need for designation as a NEMO in that Member State. The NEMO function of fundamental importance is the operating the single day-ahead coupling and the single intraday coupling algorithm. NEMOs act, moreover, as market operators in national or regional markets. Their tasks include:
- receiving orders from market participants,
- having overall responsibility for matching and allocating orders in accordance with the single day-ahead coupling and single intraday coupling results,
- publishing prices and
- acting as central counterparties for clearing and settlement of the exchange of energy resulting from single day-ahead and intraday coupling, according to relevant participant agreements and regulations.
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Article 59(5) of the CACM Before the intraday cross-zonal gate closure time, market participants shall submit to relevant NEMOs all the orders for a given market time unit. All NEMOs shall submit the orders for a given market time unit for single matching immediately after the orders have been received from market participants.
Article 58(1) of the CACM Each coordinated capacity calculator shall ensure that cross-zonal capacity and allocation constraints are provided to the relevant NEMOs no later than 15 minutes before the intraday cross-zonal gate opening time. |
Multiple NEMOs in one bidding zone
ACER Recommendation of 20 December 2021 on reasoned amendments to the Capacity Allocation and Congestion Management Regulation proposed changes to a wide range of topics involving NEMOs, including market coupling governance and operations. The said Recommendation of December 2021 observes that the CACM Regulation established competitive NEMOs as a standard model (and a monopoly as an exemption) and that the monopoly NEMOs are an established practice in a number of Member States. Where more than one NEMO in one bidding zone exist, operational issues involved are dealt with the Scheduled Exchange Calculation Methodologies agreed by the respective Transmission System Operators (TSOs).
Scheduled Exchange Calculation Methodologies will be adopted separately for:
(a) the day-ahead market (DA Scheduled Exchange Calculation Methodology Proposal, in line with Article 43 and 45 of the CACM - see Draft methodology for calculating Scheduled Exchanges resulting from single day-ahead coupling, 04.10.2016);
(b) the intraday market (the ID Scheduled Exchange Calculation Methodology Proposal, in line with Article 56 and 57 of the CACM - see Draft methodology for calculating Scheduled Exchanges resulting from single intraday coupling, 04.10.2016).
Scheduled Exchange Calculation Methodologies accommodate situations where there are more than one NEMO designated and/or offering day-ahead or intraday trading services in a particular geographic area.
In addition, according to Article 4(1) of Regulation 2015/1222, multiple NEMOs can be designated to perform single day-ahead and/or intraday coupling in a Member State. For each NEMO, a NEMO Trading hub is intended to be defined. Where multiple NEMOs operate within a geographic area, there will be multiple NEMO Trading hubs in that geographic area. The example of NEMO operating in more than one bidding zone is Nordpool, which has been designated as a NEMO in 14 European countries.
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Articles 43, 45, 56, 57 of the CACM
Article 43 1. By 16 months after the entry into force of this Regulation, TSOs which intend to calculate scheduled exchanges resulting from single day-ahead coupling shall develop a proposal for a common methodology for this calculation. The proposal shall be subject to consultation in accordance with Article 12. 2. The methodology shall describe the calculation and shall list the information which shall be provided by the relevant NEMOs to the scheduled exchange calculator established in accordance with Article 8(2)(g) and the time limits for delivering this information. The time limit for delivering information shall be no later than 15.30 market time day-ahead. 3. The calculation shall be based on net positions for each market time unit. 4. No later than two years after the approval by the regulatory authorities of the concerned region of the proposal referred to in paragraph 1, TSOs applying scheduled exchanges shall review the methodology. Thereafter, if requested by the competent regulatory authorities, the methodology shall be reviewed every two years.
Article 45 Arrangements concerning more than one NEMO in one bidding zone and for interconnectors which are not operated by certified TSOs 1. TSOs in bidding zones where more than one NEMO is designated and/or offers trading services, or where interconnectors which are not operated by TSOs certified according to Article 3 of Regulation (EC) No 714/2009 exist, shall develop a proposal for cross-zonal capacity allocation and other necessary arrangements for such bidding zones in cooperation with concerned TSOs, NEMOs and operators of interconnectors who are not certified as TSOs to ensure that the relevant NEMOs and interconnectors provide the necessary data and financial coverage for such arrangements. These arrangements must allow additional TSOs and NEMOs to join these arrangements. 2. The proposal shall be submitted to the relevant national regulatory authorities for approval within 4 months after more than one NEMO has been designated and/or allowed to offer trading services in a bidding zone or if a new interconnector is not operated by a certified TSO. For existing interconnectors which are not operated by certified TSOs the proposal shall be submitted within four months after entry into force of this Regulation.
Article 56 1. By 16 months after the entry into force of this Regulation, the TSOs which intend to calculate scheduled exchanges resulting from single intraday coupling shall develop a proposal for a common methodology for this calculation. 2. The methodology shall describe the calculation and, where required, shall list the information which the relevant NEMOs shall provide to the scheduled exchange calculator and the time limits for delivering this information. 3. The calculation of scheduled exchanges shall be based on net positions as specified in Article 52(1)(b). 4. No later than two years after the approval by the regulatory authorities of the concerned region of the proposal referred to in paragraph 1, the relevant TSOs shall review the methodology. Thereafter, if requested by the competent regulatory authorities, the TSOs shall review the methodology every two years.
Article 57 1. TSOs in bidding zones where more than one NEMO is designated and/or offers trading services, or where interconnectors which are not operated by TSOs certified according to Article 3 of Regulation (EC) No 714/2009 exist, shall develop a proposal for cross-zonal capacity allocation and other necessary arrangements for such bidding zones in cooperation with concerned TSOs, NEMOs and operators of interconnectors who are not certified as TSOs to ensure that the relevant NEMOs and interconnectors provide the necessary data and financial coverage for such arrangements. These arrangements must allow additional TSOs and NEMOs to join these arrangements. 2. The proposal shall be submitted for approval by the relevant national regulatory authorities within 4 months of more than one NEMO being designated and/or allowed to offer trading services in a bidding zone or if a new interconnector is not operated by a certified TSO. For existing interconnectors which are not operated by certified TSOs the proposal shall be submitted within 4 months after entry into force of this Regulation. |
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Regulation of the European Parliament and of the Council amending Regulations (EU) 2019/943 and (EU) 2019/942 as well as Directives (EU) 2018/2001 and (EU) 2019/944 to improve the Union’s electricity market design, Text of the provisional agreement as of 14 December 2023
(3) Article 7 is amended as follows: (a) paragraph 1 is replaced by the following: ‘1. Transmission system operators and NEMOs, shall jointly organise the management of the integrated day-ahead and intraday markets in accordance with Regulation (EU) 2015/1222. Transmission system operators and NEMOs shall cooperate at Union level or, where more appropriate, at a regional level in order to maximise the efficiency and effectiveness of Union electricity day-ahead and intraday trading. The obligation to cooperate shall be without prejudice to the application of Union competition law. In their functions relating to electricity trading, transmission system operators and NEMOs shall be subject to regulatory oversight by the regulatory authorities pursuant to Article 59 of Directive (EU) 2019/944 and ACER pursuant to Articles 4 and 8 of Regulation (EU) 2019/942 and the transparency obligations and effective supervision against market manipulation as laid down in the relevant provisions in Regulation [REMIT II].’ (b) paragraph 2 is amended as follows: (i) point (c) is replaced by the following: ‘(c) maximise the opportunities for all market participants to participate in cross-zonal and intra-zonal trade in a non-discriminatory way and as close as possible to real time across and within all bidding zones;’ (ii) the following point (ca) is inserted: ‘(ca) be organised in such a way as to ensure the sharing of liquidity between all NEMOs, at all times, both for cross-zonal and for intra-zonal trade. For the day-ahead market, from one hour before the gate closure time until the latest point in time where day-ahead trade is allowed, NEMOs shall both submit all orders for day-ahead products or products with same characteristics to the single day-ahead coupling and shall not organise trading with day-ahead products or products with same characteristics outside the single day-ahead coupling. For the intraday market, from the single intraday coupling gate opening time until the latest point in time when intraday trading is allowed in a given bidding zone, NEMOs shall both submit all orders for intraday products and products with same characteristics to the single intraday coupling and NEMOs shall not organise trading with intraday products or products with same characteristics outside the intraday coupling. This obligation shall apply to NEMOs and to undertakings which directly or indirectly exercise control over a NEMO and to undertakings which are directly or indirectly controlled by a NEMO. (f) be transparent and, where applicable, provide information by generation units while at the same time protecting the confidentiality of commercially sensitive information and ensuring trading occurs in an anonymous manner;’ |