D.—l

109

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

Results of Operation. EleventhYear, Thirteenth Year, Fourteenth Year, £ £ ' £ £ Capital outlay.. .. .. .. .. 1,366,981 1,538,569 1,561,081 1,581,262 Costs— Working-costs .. .. .. .. 27,035 30,728 40,054 30,130 Interest .. .. .. .. .. 50,324 65,094 75,630 76,612 Depreciation, 2 per cent. .. .. .. 19,350 28,168 29,863 29,847 Total costs .. .. .. 96,709 123,990 145,547 136,589 Accumulated Depreciation Fund .. .. 111,526 142,594 173,231 192,359 Accumulated deficiency Sinking Fund Account .. .. .. 8,907 35,443 62,465 112,334 Revenue — City Council .. .. .. .. 50,377 64,322* 68,000* 70,344* Tramways .. .. .. .. 10,122 16,094 16,863 16,215 Wholesale consumers .. .. .. 60,250 67,378 83,722 97,817 Retail consumers .. .. .. .. 264 269 164 145 Miscellaneous .. .. .. .. 2,342 2,177 2,378 2 442 Total revenue .. .. .. 123,355 150,240 171,127 186,963 Maximum load (kilowatts) — Power-house .. .. .. 14,430 16,880 21,020 24,370 Substations — Addington .. .. .. .. 11,670 12,872 16,088 17,610 Timaru .. .. .. .. 1,043 1,133 1,616 2,247 Ashburton .. .. .. .. 806 1,040 1,306 1,402 Oamaru .. .. .. .. .. 269 581 869 Hororata .. .. .. .. 63 177 239 264 Point ........ 19 21 19 21 Total substations (66 kv.) .. .. 13,601 15,512 19,313 21,772 City Council .. .. .. .. 7,244 7,978 10,102* 11,624* Tramways .. .. .. .. 2,880 2,860 2,720 2,810 Average load (kilowatts) — Power-house .. .. .. .. 7,916 9,000 10,710 12,370 Substations (66 kv.) .. .. .. 6,303 8,200 9,780 11,120 City Council .. .. .. .. 3,357 3,760 4,480* 5,140* Tramways .. .. .. .. 972 980 1,020 986 Units output — Power-house .. .. .. .. 68,860,614 78,342,797 93,853,759 108,011,955 Fed to village, tunnel, and intake .. .. 1,664,917 741,462 757,678 1,422,898 Fed to transmission-lines .. .. .. 65,491,130 76,941,870 93,096,081 106,589,057 Substations(66 kv.) .. .. .. 61,167,881 71,791,696 85,969,069 97,765,686 Units distributed — City Council (sold) .. .. .. 29,126,211 32,935,247 39,390,350* 45,058,656* Tramways (sold) .. .. .. .. 8,511,530 8,583,270 8,993,650 8,648,400 Wholesale consumers and local bodies (sold) .. 22,988,931 27,829,050 34,912,744 42,195,004 Retail consumers (sold) .. .. .. 41,453 23,699 20,844 24,147 Substations and power-house local consumption 284,764 1,516,395 1,453,130 2,118,757 unsold : Total units distributed .. 60,952,889 70,887,661 84,770,718 98,044,964 Losses — Transmission-line losses .. .. . 4,323,249 5,150,174 7,127,012 8,823,371 Percentage .. .. .. . 6-270 6-7 7-65 8-28 Distribution losses .. .. . 1,342,454 1,645,497 1,956,029 1,143,620 Percentage .. .. .. 2-20 2-2 2-3 1-15 Average load-factor (per cent.) — Power-house .. .. .. 54-8 53-4 51-0 50-7 Substations (66 kv.) .. .. 54-0 52-9 50-6 51-2 City .. .. .. .. . 46-3 47-2 444* 44-3* Working-costs — -— Per kilowatt (power-house maximum) .. £1 874 £1-820 £1-905 £1-236 Per kilowatt (substations maximum) .. £1-99 £1-981 £2-074 £1-383 Per unit generated .. .. .. 0-094d. 0-094d. 0-102d. 0-067d. Per unit distributed .. .. .. 0-106d. 0-104d. 0-113d. 0-074d. Capital charges— Per kilowatt (power-house maximum) .. £4-828 £5-525 £5-019 £4-368 Per kilowatt (substation maximum) .. .. £5-129 £6-012 £5-462 £4-889 Per unit generated .. .. .. 0-243d. 0-286d. 0-027d. 0-236d. Per unit distributed .. .. .. 0-274d. 0-323d. 0-299d. 0-261d. Total cost— Per kilowatt (power-house maximum) .. ' £6-702 £7-345 £6-924 £5-605 Per kilowatt (substation maximum) .. .. £7-119 £7-993 £7-536 . £6-273 Per unit generated .. .. .. £0-337d. 0-379d. 0-372d. 0-303d. Per unit distributed .. .. .. 0-381d. 0-419d. 0-412d. 0-334d. Revenue (total revenue) — Per kilowatt (power-house maximum) .. £8-548 £8-900 £8-141 £7-672 Per kilowatt (substation maximum) .. .. £9-081 £9-685 £8-860 £8-587 Per unit generated .. .. .. 0-430d. 0-460d. 0-437d. 0-416d. Per unit distributed .. .. .. 0-486d. 0-509d. 0-484d. 0-457d. Per unit sold (city) .. .. .. 0-415d. 0-469d. 0-414d. 0-375d. Per unit sold (trams) .. .. .. 0-285d. 0-450d. 0-450d. 0-449d. Per unit sold (wholesale consumers) .. .. 0-629d. 0-581d. 0-575d. 0-556d. Per unit sold (retail consumers) .. .. l-528d. 2-724d. l-889d. l-441d. * Excludes Woolston.