About ESB Networks Ltd

Information about the Distribution System Operator

ESB Networks DAC, a ringfenced subsidiary within ESB Group, is the licensed Distribution System Operator (DSO) for Ireland. Staff in the ESB Networks business unit carry out ESB Networks DAC’s functions as DSO, in addition to the functions of ESB as the licensed Transmission Asset Owner (TAO) and Distribution Asset Owner (DAO) for Ireland (under the management of ESB Networks DAC).  The Freedom of Information Act 2014 applies only to ESB Networks DAC in its capacity as the DSO.

Table 1 - Applicability of the Freedom of Information Act 2014

 Transmission Asset OwnerDistribution Asset OwnerDistribution System Operator


TAO Licence

DAO Licence

DSO Licence

License Granted to



ESB Networks DAC

Subject to FOI Act




Table 2 - Information about the Distribution System Operator

DetailsInformation available

Establishment of ESB Networks DAC.

ESB Networks Board DAC

Irish Statute Book SI 280/2008

Distribution System Operator Licence (DSO) (PDF | 1 MB)

Roles, responsibilities and functions of the Distribution System Operator

About ESB Networks DAC

Distribution System Operator Licence (DSO) (PDF | 1 MB)

Governance & Management arrangements

Details of the ESB Networks DAC. Board and Management can be found here:

  ESB Networks DAC Board

ESB Network DAC.'s list of submissions to the Companies Registration Office is available here.

Corporate Plans and Strategies

ESB Network DAC Governance

Annual Report

ESB Networks DAC does not produce an Annual Report.  The ESB Group Annual Report provides information on ESB Networks DAC's annual performance and is available here.

 ESB Group Annual Report

Organisation and Pay/Grading Structures
An overview of the ESB Networks structure is available here:
Pay grades in ESB Networks DAC. are currently the subject of discussions between ESB and its Unions.
Locations and contact details
Links to agencies/other bodies under the FOI body's remitESB Networks DAC. in its capacity as the licensed Distribution System Operator, is regulated by the Commission for Regulation of Utilities.
Details of Service Level Agreements
The following Service Level Agreements describe the service levels Distribution System Operator will operate to in performing the Meter Registration System Operator, Data Collector, Meter Operator functions.

Documentation relating to the current Retail Market Design, and the Retail Market Design Service of ESB Networks, can be found on the RMDS website.

Information on the Meter Registration System Operator (MRSO), who is responsible for the Change of Supplier process and the processing/aggregation of meter data required to support Trading & Settlement in the competitive electricity market, can be found on the MRSO website.
Customer ChartersESB Networks Customer Charter (PDF | 1MB)
Codes of Practice or Guidelines
Load Demand Data

Special Load Reading Data

Special Load Reading data for 2016-2017 providing demand information on transformers and feeders of 110kV and 38kV substations.  These records have been redacted removing customer names, MPRN, MIC, billing class and MEC.

Special Load Reading 2016-17 |418KB

SLR Main Section |1MB

Updated Abnormal Feeding |32KB

HV Export Customer Stations |44KB

HV Demand Customer Stations |46KB

MV & LV Generators < 25kVA |81KB 

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