D.—l

98

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

_ ,. , _ ,, Tenth Year, Eleventh Year, Twelth Year, Thirteenth Year, Riaulte of Operation. le26i J926. 1927. 1928. £ £ £ £ Capital-outlay .. .. .. .. 1,008,491 1,866,051 1,538,569 1,561,081 Costs —>' Working-costs .. .. .. .. 2:!, 270 27,035 30,728 40,054 Interest .. 47,780 50,324 65,094 75,630 Depreciation. 2 per cent. .. .. .. 15,679 19,350 28,168 29,863 Total costs .. .. .. .. 86,729 96,709 123,990 145,547 Accumulated Depreciation Fund .. .. 88,631 11],526 142,594 173,231 Accumulated deficiency .. .. .. 17,738 Sinking Fund Account .. .. .. .. 8,907 35,443 62,405 Revenue — City Council .. .. .. .. 28,925 50,377 64,322* 08,000* Tramways .. .. .. .. 9,477 10,122 16,094 16,863 Wholesale consumers .. .. .. 49,822 60,250 67,378 83,722 Retail consumers .. .. .. .. 1,880 264 269 164 Miscellaneous .. .. .. .. 2,059 2,342 % 2,177 2,378 Total revenue.. .. .. .. 92,163 123,355 150,240 171,127 Maximum load (kilowatts) — Power-house .. .. .. .. 13,180 14,430 16,880 21,020 Substations (66 kv.) .. .. .. 11,190 13,583 15,512 19,313 City Council .. .. .. .. 6,216 7,244 7,978 10,102* Tramways .. .. 2,760 2,880 2,860 2,720 Average load (kilowatts) — Power-house .. .. .. .. 6,820 7,916 9,000 10,710 Substations (66 kv.) .. .. .. 5,680 ! 6,303 8,200 9,780 City Council .. .. .. .. 2,930 ! 3,357 3,760 4,480* Tramways .. .. .. .. 897 972 980 1,020 Units output — Power-house .. .. .. .. 59,528,216 68,860,614 78,342,797 93,853,759 Fed to village, tunnel, and intake .. .. 1,865,344 1,664,917 741,462 757,678 Fed to transmission-lines .. .. .. 56,935,840 65,491,130 76,941,870 93,096,081 Substations (66 kv.) .. .. , .. 53,261,142 61,167,881 71,791,696 85,969,069 Units distributed— j City Council (sold) .. .. .. j 25,616,445 29,126,211 32,935,247 39,390,350* Tramways (sold) .. .. .. .. 7,851,060 8,511,530 8,583,270 8,893,650 Wholesale consumers and local bodies (sold) .. | 17,420,138 22,988,931 27,829,050 34,912,744 Retail consumers (sold) .. .. .. 399,390 41,453 23,699 20,844 Substations and power-house local consumption .. 284,764 1,516,395 1,453,130 (unsold) Total units distributed .. .. 51,287,033 60,952,889 70,887,661 84,770,718 Losses— Transmission-line losses .. .. .. 3,676,518 4,323,249 5,150,174 7,127,012 Percentage .. .. .. .. 6-43 6-270 I 6-7 7-65 Distribution losses.. .. .. .. 1,973,199 1,342,454 I 1,645,497 1,956,029 Percentage .. .. .. ..I 3-71 2-20 2-2 2-3 Average load-factor (per cent.) — Power-house .. .. .. .. 51-8 54-8 53-4 51-0 Substations (66 kv.) .. .. .. 50-8 54'0 52-9 50-6 City .. .. .. .. .. 47-1 46-3 47-2 44-4* Working-costs— Per kilowatt (power-house maximum) .. £1-76 £1-874 £1-820 £1-905 Per kilowatt (substation maximum) .. .. £2-08 £1-99 £1-981 £2-074 Per unit generated .. .. .. 0-094d. 0-094d. 0-094d. 0-102d. Per unit distributed .. .. .. 0I09d. 0-106d. 0-104d. 0-113d. Capital charges— Per kilowatt (power-house maximum) . . £4-82 £4-828 £5-525 £5-019 Per kilowatt (substation maximum) .. .. £5-67 £5-129 £6-012 £5-462 Per unit generated .. .. .. 0-255d. 0-243d. 0-286d. 0-270d. Per unit distributed .. .. .. 0-297d. 0-274d. 0-323d. 0-299d. Total cost— Per kilowatt (power-house maximum) .. £6-58 £6-702 £7-345 £6-924 Per kilowatt (substation maximum) .. .. £7-75 £7-119 £7-993 £7-536 Per unit generated .. .. . . 0-349d. 0-337d. 0-379d. O-372d. Per unit distributed .. .. .. ()-406d. 0-38Id. ()-419d. 0-412d. Revenue (total revenue) — Per kilowatt (power-house maximum) .. £6-992 £8>548 £8-900 £8-141 Per kilowatt (substation maximum) .. .. I £8-230 £9-081 £9-685 | £8-860 Per unit generated .. .. .. 0-371(1. 0480d. 0-460d. 0-437d. Per unit distributed .. .. .. 0-43Id. 0-486(1. 0-509d. 0-484d. Per unit sold (city) .. .. .. 0-27U1. 0-415(1. 0-469d. 0-414(1. Per unit sold (trams) .. . . .. 0-289d. 0-285d. 0-450d. 0-450d. Per unit sold (wholesale consumers) .. O-686d. 0-629d. 0-581(1. 0-575d. Per unit sold (retail consumers) .. .. M29d. l-528d. 2-724d. l-889d. Substations maximum : Addingtor, 16,088 kw. ; Tirnaru, 1,616 kw. ; Ashburton, 1,306 kw. ; Oamaru, 581 kw., Hororata, 239 kw. ; Point, 19 kw. * Excludes Wpojstop Borough ('ouncil.