3294 NEW ZEALAND GAZETTE No. 135

3. Performance Measures and Statistics for the year ending 31 March 1998

Disclosure of financial and efficiency performance measures as required by regulations 13, 14, 15 and 16 of the Electricity (Information Disclosure) Regulations 1994.

Regulation 13:

1. Financial performance measures

(a) Accounting return on total assets | 9.87% | 8.11% | 4.62% | 3.74%
(b) Accounting return on equity | 8.04% | 5.48% | 3.16% | 2.49%
(c) Accounting rate of profit * | 8.07% | 5.46% | 2.19% | 1.75%

• 1997 ratio restated to incorporate the revised 31/3/97 reticulation asset value.

2. Efficiency Performance measures

(a) Direct Line Costs per kilometre *** | $975.50 | $959.21 | $1131.51 | $1254.51
(b) Indirect Line Costs per Electricity Customer | $115.35 | $107.52 | $91.57 | $110.08

3. Energy Delivery Efficiency Performance Measures

(a) Load Factor | 55.70% | 58.60% | 58.90% | 45.10%
(b) Loss Ratio | 6.20% | 6.20% | 6.12% | 6.00%
(c) Capacity Utilisation ** | 39.60% | 39.60% | 40.60% | 45.50%

** Prior year ratios restated to exclude spare transformers and those undergoing refurbishment.

*** Certain prior year comparative figures in sections 4 (a) to (c) have been restated.

Regulation 15:

4. Total Statistics

(a) Total System lengths (kms) ***

• 110kV | 25 | 25 | 25 | 25
• 66kV | 144 | 144 | 144 | 144
• 33kV | 773 | 770 | 765 | 756
• 11kV | 6,526 | 6,474| 6,379| 6,320
• 400V | 5,822 | 5,735| 5,634| 5,569
• Total | 13,290| 13,148| 12,946| 12,814

(b) Circuit length (overhead) kms ***

• 110kV | 25 | 25 | 25 | 25
• 66kV | 144 | 144 | 144 | 144
• 33kV | 681 | 681 | 680 | 674
• 11kV | 5,465 | 5,449| 5,395| 5,372
• 400V | 3,809 | 3,796| 3,773| 3,765
• Total | 10,124| 10,095| 10,017| 9,981

(c) Circuit length (underground) kms ***

• 110kV | 0 | 0 | 0 | 0
• 66kV | 0 | 0 | 0 | 0
• 33kV | 92 | 89 | 85 | 82
• 11kV | 1,061 | 1,025| 984 | 947
• 400V | 2,013 | 1,939| 1,861| 1,804
• Total | 3,166 | 3,053| 2,930| 2,833

(d) Transformer capacity (kVA) ** | 1,659,135 | 1,624,008 | 1,535,156 | 1,431,090
(e) Maximum demand (kW) | 657,584 | 643,252 | 622,530 | 650,477
(f) Total electricity supplied (kWh) | 3,384,294,573 | 3,315,486,882 | 3,223,058,394 | 2,569,370,797
(g) Total electricity conveyed on behalf of other persons | 663,621,000 | 771,691,000 | 920,545,000 | 936,449,427
(h) Total customers | 223,765 | 218,772 | 213,215 | 212,772

*** Certain prior year comparative figures in sections 4 (a) to (c) have been restated to include the total system length resulting from double circuits. This has resulted in amendments to the prior year Direct Line Costs per kilometre ratios reported under 2(a) above.