D.—l

Table I. —Lake Coleridge Electric-power Supply.—Results of Operation.

6*

83

t)„» it „f n„„.„«™ Thirteenth Year, Fourteenth Year, Fifteenth Year, Sixteenth Year, Results of Operation. 1928 _ 192g lsm 1981 f ■£ £ £ Capital outlay.. .. .. .. .. 1,561,081 1,581,262 1,622,199 1,712,555 Costs — Working-costs .. .. .. .. 40,054 30,130 36,808 57,033* Interest .. .. .. .. .. 75,630 76,612 76,354 77,226 Depreciation, 2 per cent. .. .. .. 29,863 29,847 15,315 13,290 Total costs .. .. .. 145,547 136,589 128,477 147,549 Accumulated Depreciation Fund .. .. 173,231 192,359 188,294 197,627 Accumulated Reserve Fund .. .. .. .. 44,388 97,345 Sinking Fund Account .. .. .. 62,465 115,770 144,557 168,464 Revenue — City Council .. .. .. .. 68,000f 70,344-f 70,169 88,814 Tramways .. .. .. .. 16,863 16,215 16,435 9,121 Wholesale consumers .. .. .. 83,722 97,817 107,677 117,376 Retail consumers .. .. .. .. 164 145 50 42 Miscellaneous .. .. .. .. 2,378 2,442 2,317 2,279 Total revenue .. .. .. 171,127 186,963 196,648 217,632 Maximum load (kilowatts) — Power-house .. .. .. .. 21,020 24,370 27,540 30,800 Substations— ■ Addington .. .. .. .. 16,088 17,610 20,792 23,582 Timaru .. .. .. .. 1,616 2,247 2,395 2,685 Ashburton .. .. .. .. 1,306 1,402 1,370 1,450 Oamaru .. .. .. .. 581 869 1,061 1,392 Hororata .. .. .. .. 239 264 275 289 Point ........ 19 21 37 32 Total substations (66 kv.) .. .. 19,313 21,772 25,574 29,275 City Council .. .. .. .. 10,102f ll,624f 12,944 15,145 Tramways .. .. .. .. 2,720 2,810 2,860 2,030 Average load (kilowatts) — Power-house .. .. .. .. 10,710 12,370 14,210 13,790 Substations (66 kv.) .. .. .. 9,780 11,120 13,120 13,150 Citv Council ..- .. .. .. 4,480f S.HOf 6,060t 5,960 Tramways .. .. .. .. 1,020 986 1,000 555 Units output — Power-house .. .. .. .. 93,853,759 108,011,955 124,375,245 120,687,377 Fed to village, tunnel, and intake .. .. 757,678 1,422,898 1,514,776 1,321,822 Fed to transmission-lines .. .. .. 93,096,081 106,589,057 122,860,469 119,365,555 Substations (66 kv.) .. .. .. 85,969,069 97,765,686 114,971,933 113,393,072 Units purchased (Christchurch Tramway .. .. .. 1,729,441 Board, &e. Units distributed — City Council (sold) .. .. .. 39,390,350t 45,058,656t 54,124,965 52,325,987 Tramways (sold) .. .. .. .. 8,993,650 8,648,400 8,764,860 4,864,657 Wholesale consumers and local bodies (sold) .. 34,912,744 42,195,004 49,706,308 54,760,271 Retail consumers (sold) .. .. ... 20,844 24,147 4,817 2,965 Substation and power-house local consumption 1,453,130 2,118,757 2,569,583 2,316,735 (unsold) Total units distributed .. .. 84,770,718 98,044,'964 115,170,533 114,270,615 Losses— Transmission-line losses .. .. .. 7,127,012 8,823,371 7,888,536 5,972,483 Percentage .. .. .. .. 7-650 8-280 6-420 5 Distribution losses .. .. .. 1,956,029 1,143,620 1,316,176 2,173,720 Percentage .. .. .. .. 2-300 1-150 1-140 1-865 Average load-factor (per cent.) — Power-house .. .. .. .. 51-0 50-7 51-6 44-8 Substations (66 kv.) .. .. .. 50-6 51-2 51-4 44-9 City .. .. .. .. .. 44-4f 44-3| 46-7f 39-3 Working-costs— Per kilowatt (power-house maximum) .. £1-905 £1-236 £1-338 £1-85 Per kilowatt (substations maximum) .. .. £2-074 £1-383 £1-441 £1 • 946 Per unit generated and purchased .. .. 0-102d. 0-067d. 0-07d. 0-112d. Per unit distribtited .. .. .. 0-113d. 0-074d. 0-077d. 0-120d. Capital charges (interest plus depreciation)— Per kilowatt (power-house maximum) .. £5-019 £4-368 £3-326 £2-94 Per kilowatt (substations maximum) .. £5-462 £4-889 £3-582 £3-092 Per unit generated and purchased .. .. 0-027d. 0-236d. 0-18d. 0-178d. Per unit distributed .. .. .. 0-299d. 0-261d. 0-19d. 0-190d. Total cost — Per kilowatt (power-house maximum) .. £6-924 £5-605 £4-664 £4-790 Per kilowatt (substations maximum) .. £7-536 £6-273 £5-023 £5-049 Per unit generated and purchased .. .. 0-372d. 0-303d. 0-25d. 0-289d. Per unit distributed .. .. .. 0-412d. 0-334d. 0-267d. 0-309d. Revenue— Per kilowatt (power-house maximum) .. £8-141 £7-672 £7-262 £7-060 Per kilowatt (substations maximum) .. .. £8-860 £8-587 £7-821 £7-435 Per unit generated and purchased .. .. 0-437d. 0-416d. 0-39d. 0-427d. Per unit distributed .. .. .. 0-484d. 0-457d. 0-42d. 0-457d. Per unit sold (city) .. .. .. 0-414d. 0-375d. 0-33d. 0-408d. Per unit sold (trams) .. .. .. 0-450d. 0-449d. 0-45d. 0-45d. Per unit sold (wholesale consumers) .. .. 0-575d. 0-556d. 0-52d. 0-515d. Per unit sold (retail consumers) .. .. l-889d. l-441d. 2-49d. 3-40d. * Includes £21,170 for power purchased. t Excludes Woolston Borough Council.