3684

NEW ZEALAND GAZETTE

No. 125

(d) Transformer capacity (kilovolt amperes) 7.92 10⁶ kVA
(e) Maximum demand (kilowatts) 5.30 10⁶ kW
(f) Total electricity supplied from the system (kilowatt hours) 30.08 10⁹ kWh
(g) Total electricity conveyed through the system (kilowatt hours) 32.03 10⁹ kWh
(h) Total customers 49

Disclosure of Reliability Performance Measures Pursuant to Regulation 17 Electricity (Information Disclosure) Regulations 1994

1. Total number of unplanned interruptions 224
   Resulting from 118 loss of supply incidents

2. Electricity customer interruptions 15.1 system minutes
   Comprising 5.6 system minutes due to planned outages and 9.5 system minutes due to unplanned outages.

3. Underlying electricity customer interruptions 10.3 system minutes
   Underlying interruptions are those interruptions less than 1 system minute duration. The total comprises 4.3 system minutes for planned interruptions and 6.0 system minutes for unplanned interruptions.

4. Average supply reliability 99.9958%
   Measured by the energy supplied divided by the sum of the energy supplied and not supplied.

5. Uneconomic generation due to planned and unplanned transmission system unavailability 0.81%
   Uneconomic generation relates to the amount of electricity generated from any source other than the most economic source.

6. Uneconomic generation due to HVDC system unavailability 0.06%

7. Uneconomic generation due to unplanned transmission system unavailability 0.07%

8. Planned interruption restoration performance 76.6%
   85% of planned interruptions were restored within 20 minutes of the agreed restoration time.

9. Unplanned interruption response 99.6%
   A response to unplanned interruptions, within the customer agreed response time, was achieved in all but one incident.

The information compiled using estimated information includes Part V sections 2,3,4,5,6, and 7.

The methodology used to calculate the estimated information is documented and available from Trans Power upon request.

Electricity (Information Disclosure) Regulations 1994 Regulation 26 (3)

Certification of Financial Statements, Performance Measures, and Statistics Disclosed by Trans Power

We, Douglas Stewart Ritchie and Carole Beatrice Durbin, directors of Trans Power New Zealand Limited (Trans Power) certify that, having made all reasonable enquiry, to the best of our knowledge,

(a) The attached audited financial statements of Trans Power, prepared for the purposes of regulation 5 of the Electricity (Information Disclosure) Regulations 1994, give a true and fair view of the matters to which they relate and comply with the requirements of those regulations; and

(b) The attached information, being financial performance measures, efficiency performance measures, energy delivery efficiency performance measures, statistics, and reliability performance measures in relation to Trans Power, and having been prepared for the purposes of regulations 13, 14, 15, and 17 of the Electricity (Information Disclosure) Regulations 1994, comply with the requirements of the Electricity (Information Disclosure) Regulations 1994.

The valuations on which those financial performance measures are based are as at 30 June 1994.

D S Ritchie
C B Durbin
7 November 1994

Electricity (Information Disclosure) Regulations 1994 Regulation 25 (2)

Certification by Auditor in Relation to Financial Statements

We have examined the attached financial statements prepared by Trans Power New Zealand Limited and dated 7 November 1994 for the purposes of Regulation 5 of the Electricity (Information Disclosure) Regulations 1994.

We hereby certify that, having made all reasonable enquiry, to the best of our knowledge, those financial statements give a true and fair view of the matters to which they relate and have been prepared in accordance with the requirements of the Electricity (Information Disclosure) Regulations 1994.

COOPERS & LYBRAND
7 November 1994

Electricity (Information Disclosure) Regulations 1994 Regulation 25 (3)

Certification of Performance Measures by Auditors

We have examined the attached information, being:

(a) Financial performance measures specified in clause 1 of Part II of the First Schedule to the Electricity (Information Disclosure) Regulations 1994; and

(b) Financial components of the efficiency performance measures specified in clause 2 of Part II of the Schedule;

and having been prepared by Trans Power New Zealand Limited and dated 7 November 1994 for the purposes of Regulation 13 of those Regulations.

We certify that, having made all reasonable enquiry, to the best of our knowledge, that information has been prepared in accordance with the Electricity (Information Disclosure) Regulations 1994.

COOPERS & LYBRAND
7 November 1994