Notice Type
Authorities/Other Agencies of State
Notice Title

Electricity Distribution Information Disclosure Determination Notice 2012

Pursuant to Part 4 of the Commerce Act 1986 ("Act"), the Commerce Commission ("Commission") gives the following notice.
N o t i c e
1. Title-This notice is the Electricity Distribution Information Disclosure Determination Notice 2012.
2. Electricity distribution information disclosure determination
2.1 On 1 October 2012, the Commission made the Electricity Distribution Information Disclosure Determination 2012 ("determination").
2.2 The determination sets information disclosure requirements for electricity distribution businesses (EDBs) as suppliers of regulated goods and services under Part 4 of the Act.
2.3 In accordance with section 52P(7)(b) of the Act, this notice is published as a summary of the determination.
3. Summary of the determination
3.1 The determination sets out the information disclosure requirements that apply to EDBs.
3.2 The determination came into force on 1 October 2012.
3.3 The information disclosure requirements consist of requirements to disclose financial and non-financial information in relation to the supply of regulated electricity distribution services, along with an assurance report and directors’ certifications in support of the disclosures.
3.4 In relation to historical financial information, EDBs must disclose:
(a) the return they have received on their investments, including details of how the return on investment is determined;
(b) regulatory profit;
(c) value of the regulatory asset base;
(d) supporting information relating to regulatory tax, treatment of related party transactions, and (for non-exempt EDBs) the term credit spread differential;
(e) how common costs and assets have been allocated and where that allocation has changed;
(f) capital expenditure and operational expenditure in accordance with standardised categories;
(g) annual reconciliations of actual expenditure against forecasts; and
(h) transitional financial information (in the first annual disclosure of historic information).
3.5 In relation to information about the network, EDBs must disclose:
(a) an asset register;
(b) the age profile of their assets;
(c) information on demand;
(d) information on embedded networks; and
(e) information on the location of their lines, including the extent of overhead and underground lines.
3.6 In relation to forecast information, EDBs must disclose:
(a) Asset Management Plans (or AMP updates) and Asset Management Maturity Reports;
(b) forecast capital expenditure and operational expenditure in accordance with standardised categories; and
(c) supporting information, including asset condition, forecast capacity, forecast demand, and forecast reliability.
3.7 In relation to pricing, EDBs must disclose information about their pricing, including:
(a) pricing methodologies and (where applicable) pricing strategies;
(b) treatment of capital contributions and (where applicable) discretionary discounts;
(c) standard prices;
(d) prescribed terms and conditions of contracts; and
(e) historic quantities and revenues billed.
3.8 In relation to quality, EDBs must disclose information relating to:
(a) reliability - interruptions by class, cause, and main equipment involved; and
(b) fault rate.
3.9 Disclosures must be publicly disclosed and must be supported by directors’ certifications and assurance reports.
4. How the determination is publicly available
Copies of the determination, and a reasons paper providing detailed background to and analysis of the determination, are available for inspection free of charge at the Commission (during ordinary office hours), on the Commission’s website
or for purchase at a reasonable price at the Commission, 44 The Terrace, Wellington.
Dated at Wellington this 9th day of October 2012.
Explanatory Note
The Commerce Amendment Act 2008 introduced changes to the Commerce Act 1986 ("Act") including a requirement for the Commission to set information disclosure requirements for suppliers of electricity distribution services.
The information disclosure requirements must, under section 54I(1) of the Act, be made as soon as practicable after 1 April 2009. The information disclosure requirements took effect on 1 October 2012.
Suppliers of electricity distribution services must apply the input methodologies in the Electricity Distribution Services Input Methodologies Determination 2010 when complying with the information disclosure determination.