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Outages

Outage Type
Planned
From
24 Nov 2026
09:00
To
24 Nov 2026
14:30
Reason for Outage
Essential security patching
Backlog Handling (Comments)
The following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
22 Nov 2026
08:00
To
22 Nov 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
SAP ISU/PO/NGP: Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result. TIBCO: Market messages will continue to be processed; however, inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub resumes normal service. This includes the following: Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
Retail Central Market Systems & TIBCO ROI HUB
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP & TIBCO
Outage Type
Planned
From
22 Oct 2026
07:00
To
27 Oct 2026
10:00
Reason for Outage
Essential System Upgrade
Backlog Handling (Comments)
Market messages will continue to be processed as normal with the following exceptions: 1. Remote De-Energisations: Valid Requests for De-Energisations (remote) for reasons Not Non-Payment of Account (Not NPA) (D01) and HH PAYG (D05) will be paused from 16:00 (D01) and 17:00 (D05) on Monday, 19th October. This is to mitigate the need for urgent re-energisations during the time the business services in AMI are unavailable. Any requests received by ESB Networks from this time until the resumption of normal services will be rejected with the reason code “IA”. 2. Remote Re-Energisations: Valid Requests for Re-Energisations (remote) for reasons HH PAYG (E05) or Re-Energise Not NPA (E01) will be paused from Thursday 22nd October between 07:00 until Friday 23rd October at 09:00, and paused again from Friday 23rd October at 17:00 until resumption of normal services on Tuesday 27th October at 10:00. During the periods when remote re-energisations are paused, HH PAYG Re-energisations (E05) will be carried out in accordance with WP0035 Contingency Process for Smart PAYG. Re-Energise Not NPA (E01) requests sent after this will queue and will process on resumption of services. 3. Remote MCC Changes: Valid requests for Remote MCC changes to facilitate Smart Data Services changes will be paused between 17:00 Wednesday 21st October and Friday 23rd October at 09:00, and again between Friday, 23rd October 17:00 until resumption of normal services on Tuesday 27th October at 10:00. 4. HH Interval Data: 1. For Read Date Thursday, 22nd October, Market Participants can expect to receive their HH Interval (343MM) on the evening of Friday, 23rd October, and cumulative register readings where actuals are available (345MM) on Sunday, 25th October. 2. For the Read Date Friday, 23rd October , Market Participants can expect to receive both HH Interval (343MM) and cumulative register readings (345MM) on Saturday , 24th October. 3. For Read Dates Saturday, 24th October and Sunday, 25th October, Market Participants can expect to receive their HH Interval (343MM) Data on Monday, 26th October. Cumulative register readings (345MM) for these read dates will begin to issue from the evening of Monday, 26th October and is expected to complete by evening of Wednesday, 28th October. 5. Cos Completion: 1. Where a Remote MCC change is required to complete the CoS and is in progress as at 17:00 Wednesday, 21st October. The MCC change will resume processing on resumption on Friday 23rd October 09:00 until Friday 23rd October 17:00 and will be blocked thereafter until resumption of normal services on Tuesday , 27th October at 10:00, and the effective date of the CoS will be the same as the processing date of the MCC change. 2. Where a re-energisation is required to complete the CoS and has not been carried out at the time the Market Outage commences, the re-energisation will be carried out (either remotely if eligible or via scheduled site visit) on resumption on Friday 23rd October 09:00 until Friday 23rd October 17:00 and will be blocked thereafter until resumption of normal services on Tuesday 27th October 10:00, and the effective date of the Cos will be the same as the re-energisation date.
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
18 Oct 2026
08:00
To
18 Oct 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
SAP ISU/PO/NGP: Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result. TIBCO: Market messages will continue to be processed; however, inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub resumes normal service. This includes the following: Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
Retail Central Market Systems & TIBCO ROI HUB
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP & TIBCO
Outage Type
Planned
From
01 Sep 2026
00:00
To
30 Sep 2026
23:59
Reason for Outage
Essential System Upgrade
Backlog Handling (Comments)
Date TBC
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
29 Sep 2026
09:00
To
29 Sep 2026
16:00
Reason for Outage
Essential security patching
Backlog Handling (Comments)
Market messages will continue to be processed however, the following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’) • Valid requests for Remote MCC changes via 010/013/016mm’s will queue and processed on resumption of normal services (Smart meter installed, MCC12 requests CTF value of 03,04; MCC16 requests CTF value of 01,02,03,04)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
20 Sep 2026
08:00
To
20 Sep 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
SAP ISU/PO/NGP: Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result. TIBCO : Inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub is back online post outage.
MKT System Affected
Retail Central Market Systems & TIBCO ROI HUB
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP & TIBCO
Outage Type
Planned
From
13 Sep 2026
08:00
To
13 Sep 2026
18:00
Reason for Outage
Site Switch
Backlog Handling (Comments)
Messages inbound to ESB Networks will queue in the central HUB and will process on resumption of normal service. No Outbound messages from ESB Networks will be sent during the outage. The RMP Extranet will be unavailable during the outage and the MPRN Enquiry Web Service will also be unavailable as a result.
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
SAP IS-U/SAP PO
Outage Type
Planned
From
26 Aug 2026
09:00
To
26 Aug 2026
16:00
Reason for Outage
Essential security patching
Backlog Handling (Comments)
The following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
22 Aug 2026
08:30
To
23 Aug 2026
21:00
Reason for Outage
TIBCO HUB Upgrades
Backlog Handling (Comments)
All inbound and outbound market messages will queue up during the outage and will be processed on resumption of normal service of the TIBCO Hub. This includes the following: De-Energisations (remote) for reasons Not Non-Payment of Account (Not NPA) (D01) and HH PAYG (D05) can be sent up to 16:00 (D01)/17:00 (D05) on Tuesday, 18th August. After this time, requests will be rejected via the 117R MM, reason code ‘IA’. Re-Energise for reasons HH PAYG (E05) or Re-Energise Not NPA (E01) can be sent up to Friday, 21st August at 21:00. After that, HH PAYG Re-energisations (E05) will be carried out in accordance with WP0035 Contingency Process for Smart PAYG. Re-Energise Not NPA (E01) requests sent after this will queue and will process on resumption of normal services. Remote MCC changes to facilitate Smart Data Services changes can be sent up to 21:00 Friday 21st August and will resume processing on resumption of normal services. Change of Supply where remote re-energisations are required can also be sent up to 21:00 Friday 21st August and will resume processing on resumption of normal services. Note: The outage covers both Saturday 22nd and Sunday 23rd August, with the expectation that small volumes of MMs will be processed by Saturday evening, 22nd August. Market Participants will be updated on this via RMDS over the outage weekend.
MKT System Affected
TIBCO HUB
Systems Undergoing Outage
TIBCO HUB
Outage Type
Postponed
From
23 Aug 2026
08:00
To
23 Aug 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
SAP ISU/PO/NGP: Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result. TIBCO: Market messages will continue to be processed; however, inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub resumes normal service. This includes the following: Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
Retail Central Market Systems & TIBCO ROI HUB
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP & TIBCO
Outage Type
Planned
From
28 Jul 2026
09:00
To
28 Jul 2026
14:30
Reason for Outage
Essential security patching
Backlog Handling (Comments)
The following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
19 Jul 2026
08:00
To
19 Jul 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
SAP ISU/PO/NGP: Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result. TIBCO: Market messages will continue to be processed; however, inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub resumes normal service. This includes the following: Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
Retail Central Market Systems & TIBCO ROI HUB
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP & TIBCO
Outage Type
Planned
From
30 Jun 2026
09:00
To
30 Jun 2026
16:00
Reason for Outage
Essential security patching
Backlog Handling (Comments)
Market messages will continue to be processed however, the following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’) • Valid requests for Remote MCC changes via 010/013/016mm’s will queue and processed on resumption of normal services (Smart meter installed, MCC12 requests CTF value of 03,04; MCC16 requests CTF value of 01,02,03,04)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
21 Jun 2026
08:00
To
21 Jun 2026
19:00
Reason for Outage
To facilitate Essential Security Patching
Backlog Handling (Comments)
Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result.
MKT System Affected
Retail Central Market System
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP
Outage Type
Planned
From
21 Jun 2026
08:00
To
21 Jun 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
Market messages will continue to be processed; however, inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub resumes normal service. This includes the following: Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
TIBCO HUB System
Systems Undergoing Outage
TIBCO HUB System
Outage Type
Postponed
From
27 May 2026
09:00
To
27 May 2026
16:00
Reason for Outage
Essential security patching
Backlog Handling (Comments)
The following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems
Outage Type
Planned
From
24 May 2026
08:00
To
24 May 2026
18:00
Reason for Outage
To facilitate Essential Security Patching
Backlog Handling (Comments)
Market Messages inbound to ESB Networks will queue in the central HUB and be processed on resumption of normal service. The facility to book appointments via RMP Extranet shall be unavailable during the outage. Calls to the MPRN Enquiry Web Service will also be impacted as a result.
MKT System Affected
Retail Central Market System
Systems Undergoing Outage
SAP IS-U\SAP PO\SAP NGP
Outage Type
Planned
From
24 May 2026
08:00
To
24 May 2026
18:00
Reason for Outage
Essential Security Patching
Backlog Handling (Comments)
Inbound and outbound market messages will queue up during the outage and will be processed once the Production TIBCO Hub is back online post outage.
MKT System Affected
TIBCO HUB System
Systems Undergoing Outage
TIBCO HUB System
Outage Type
Planned
From
28 Apr 2026
09:00
To
28 Apr 2026
16:00
Reason for Outage
Essential security patching
Backlog Handling (Comments)
The following requests inbound to ESB Networks will queue in the Central Market System and will be processed on resumption of normal service: • Valid requests to De-Energise via 017MM with meter point status reason De-Energise – HH PAYG (D05) or De-Energise - Not NPA (D01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04) • Valid requests to Re-Energise via 017MM with meter point status reason Re-Energise – HH PAYG (E05) or Re-Energise Not NPA (E01) that are eligible to be carried out remotely (Smart Meter installed, CTF value of 04, Meter Point Status ‘DR’)
MKT System Affected
ROI Electricity Market
Systems Undergoing Outage
AMI Systems