Would you see any need for this and would you use it?

Supplementary Information from ESB Networks I-SEM Programme

All Retail Market Suppliers may wish to participate in the I-SEM Project’s Market Trial.

If that Supplier wants to have different De Minimis NPGEN arrangements reflected in the data that MRSO aggregate for Market Trials as against that which is aggregated as business as normal , then they will need a way to communicate that to the ESB Networks I-SEM programme team (WP14 is the mechanism for Production)

The Supplier may want to have their Retail Market test EMMA hooked up to get the Retail Market Messages that will flow from the Market Trials test environment (viz 59x and 34x series of messages)

If the Supplier needs a different WP12 arrangement for Participant Generators for the Market Trials than that which is catered for as business as normal, then they will need a way to communicate that to the ESB Networks I-SEM programme team (WP12 is the mechanism for Production)

Therefore, when Suppliers are working through your Registration requirements for I-SEM project’s Market Trials you can consider the information above, and if you find you need to set up something different for Market Trials than what is in Live Production, you will be able to let us know and we will reflect these changes.

Is it likely this freeze would extend to the registration of export arrangements for Non Participant Generators?

However if this was to change we would inform the Retail Market through the usual Supplier forum, the IGG.

Background

On 16 February 2017 the SEM Committee published a decision on the appropriate basis for the levying of supplier charges in I-SEM. This followed a consultation paper on the matter which was published on 3 October 2016. In the consultation paper three potential bases on which supplier charges could be levied on suppliers in I-SEM were discussed: Net Demand; Non-Negative Net Demand; and Gross Demand.

SEM Committee Decision (precis from SEM-17-010)

(a) SEMC instructs both SEMO and the MDPs to implement, as an interim solution, the necessary systems to allow the Net Demand approach to be available for I-SEM Go-Live

(b) The SEMC considers that the arguments in favour of the Gross Demand approach have considerable merit and on this basis, is minded to transition to a Gross Demand approach as the enduring approach to the levying of supplier charges. Pending a final decision on the enduring approach, the SEMC is requesting SEMO and the MDPs to ensure that their systems also have the capability to provide for a transition to a Gross Demand approach for supplier charges. The SEMC will determine the enduring approach to the basis for supplier charges at a later date, and will also set out the conditions under which a transition, which would occur no earlier than January 2020, could take place.

Full document can be found at this path http://semcommittee.us13.list-manage.com/track/click?u=35760ee9da0c8ccdadfbaa4c8&id=85f8531af1&e=8a04b83e35

viz :  Where Distribution Connected Participant Generators have Price Effecting Generation they will not be sent 342 messages from MRSO, instead, that export data would be available to the participant via the EirGrid website

Our understanding is that this data has not been available on the Eirgrid website since Jul 14. Can you advise if Eirgrid intend to make their data available via their website going forward? We would support the provision of this data via Eirgrid as it would provide an independent data source.

Eirgrid is the MDP responsible for the provision of this data ; The Supplier would need to contact Eirgrid directly in relation to this query.

We have reviewed the ESB document entitled “Impact of I-SEM on the RoI Retail Market – Discussion Document DR1182”.  We understand the proposed changes to Market Messages 595 and 596 are described in MPD 16 2.1 (Data Aggregation) and MPD 15 (Data Aggregation) in Discussion Document DR1182.  As we are only involved in the supply of electricity to QH and NQH customers and not involved in any power generation activities, we do not believe these changes are relevant to ourselves.  Is our understanding correct?

No changes are indicated to the Harmonised Retail Market Schema or the COBL, and no market messages are changing as a result of I-SEM

The ESB Networks I-SEM Programme is unable to comment on the impact of the I-SEM on any individual Supplier.

Please refer to the ESB Networks I-SEM Programme presentations at the IGG; here is the path to the most recent presentation for the IGG meeting that was held on the 26th June 2017 viz.

Click to access esb-networks-i-sem-programme-presentation-to-the-igg-28th-june-2017-ver-1.pdf

Slide #2 outlines our High Level Understanding and as you will see there are no changes to any of the Retail Market Messages viz ‘No Changes are indicated to the Harmonised Retail Market Schema or the COBL’
.

These messages currently contain data based on a calendar day and this will not be changing.

For information: MM590 is a Wholesale Market Message and NOT a Retail Market message and is sent to SEM-O from MRSO. In the I-SEM, when this contains data for a Unit that is undergoing a New Registration or De Registration event then the data for that Unit will be changing to reflect the changes in the length of the Trading Day in the I-SEM. However this change will not impact on the Retail Market. This is reflected in our Retail Market Change Request MCR1182 ; see embedded doc ‘Impact of the I-SEM on the Retail Market in Ireland’ Section 1.3 Items not considered in detail in this document, paragraph B. Here is the path to MCR1182 viz. https://rmdservice.com/wp-content/uploads/2017/05/mcr1182-impact-of-i-sem-on-the-retail-market-in-roi.pdf.