D.-l.

Table II.—Lake Coleridge Electric-power Supply.—Analysis of Capital Outlay.

Table III. —Lake Coleridge Electric-power Supply.—Operating or Working Costs.

84

Total Expenditure to 31st March, Item Difference in Expenditure during Year 1930-31. 1930. 1931. £ £ £ Land, roading, and fencing .. .. .. 24,437 24,583 146 Harper diversion .. .. .. .. 23,158 23,158 Acheron diversion .. .. .. .. 18,704 18,704 Headworks (second tunnel) .. .. .. 235,745 236,914 l'l69 Headworks .. .. .. .. .. 230,479 230,565 86 Power-house machinery, &c. .. .. .. 221,608 221,771 163 Staff village .. .. .. .. .. 24,692 24,795 103 Transmission-lines .. .. .. .. 394,884 390,145 Or. 4,739 Addington Substation .. .. .. .. 83,959 96,356 12,397 Lyttelton Diesel Station .. .. .. .. 48,164 48,164 Primary distribution .. .. .. .. 110,555 119,371 8,816 Secondary distribution .. .. ., 41,003 42,216 1,213 Service transformers and meters .. .. 7,084 8,630 1,546 Vehicles and loose tools .. .. .. 28,490 24,574 Cr. 3*916 Telephone-lines .. .. .. .. 1,891 1,891 Office furniture .. .. .. .. 316 322 6 Surveys, preliminary expenses, &c. .. .. 128,658 133,576 4,918 Interest during construction .. .. .. 65,240 66,820 1,580 Total .. .. .. 1,622,199 1,712,555 90,356

1980. 1931. Item. rw Cost per Unit „ f Cost per Unit distributed. Lost - distributed. £ d. £ d. Harper diversion .. .. .. 837 0-0021 1,123 0-0024 Generating .. .. .. 8,995 0-0186 10,047 0-0211 Transmission-line .. .. .. 6,972 0-0146 5,848 0-0123 Main distribution .. .. .. 3,183 0-0066 3,399 0-0071 H.T. distribution .. .. .. 3,480 0-0073 3,724 0-0078 L.T. distribution .. .. .. 4,680 0-0098 4,443 0-0093 Standby .. .. .. .. .. 21,170 0-0444 Management .. .. .. 8,661 0-0180 7,279 0-0153 36,808 0-0770 57,033 0-1197 Units distributed .. .. .. 115,170,533 114,270,615