D.—l

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

87

„ IA ! Fourteenth Year, Fifteenth Year, Sixteenth Year, Seventeenth Year, Result» of Operation. 1929> | 1930 . 1931. 1932. I J £ £ £ £ Capital outlay.. .. .. .. •• 1,581,262 1,622,199 1,712,555 1,802,497 Costs— Working-costs .. .. •• •• 30,130 36,808 57,033* 37,245f Interest .. .. .. .. •• 76,612 76,354 77,226 73,485 Depreciation, 2 per cent. .. .. .. 29,847 15,315 13,290 12,500 Total costs .. .. •• 136,589 128,477 147,549 123,230 Accumulated Depreciation Reserve .. . • 192,359 188,294 197,627 211,752 Accumulated General Reserve .. .. .. .. 44,388 97,345 174,249J Sinking Fund Reserve .. .. .. •• 115,770 144,557 168,464 193,865§ Revenue— City Council .. .. •• •• 70,344|| 70,169 88,814 82,909 Tramways .. .. •• •• 16,215 16,435 9,121 13,881 Wholesale consumers .. .. .. 97,817 107,677 117,376 119,556 Miscellaneous .. .. .. •• 2,442 2,317 2,279 1,814 Retail consumers . . .. .. • • 145 50 42 36 Total revenue .. .. .. 186,963 196,648 217,632 218,196 Maximum load (kilowatts) — — r Power-house .. .. .. •• 24,370 27,540 30,800 30,340 Lyttelton Diesel Station .. .. . . .. • • • • 4,480 System .. .. .. .. .. 24,370 27,540 30,800 30,340 Substations —• — ~ Addington .. .. .. 17,610 20,792 23,582 22,568 Timaru .. .. .. .. 2,247 2,395 2,685 2,745 Ashburton .. .. .. •• 1,402 1,370 1,450 1,410 Oamaru .. .. •• •• 869 1,061 1,392 1,440 Hororata .. . . •. • • 264 275 289 265 Point ........ 21 37 32 34 Waitaki Hydro .. .. • • • • • • • • 592 Glenavy .. .. .. .. • • • • • • Total substations (66 kv. and 110 kv.) 21,772 25,574 29,275 28,398 Christchurch City Council .. .. .. 11,624|| 12,944 15,145 15,125 Average load (kilowatts) —• Power-house .. .. •• •• 12,370 14,210 13,790 14,775 Lyttelton Diesel Station .. .. .. .. •• •• 1,420 System .. .. . . .. .. 12,370 14,210 13,790 14,850 Substations (66 kv. and 110 kv.) .. .. 11,120 13,120 13,150 13,880 Christchurch City Council .. .. .. 5,140|j 6,060|| 5,960 6,251 Units output (kilowatts) — ' ~~ Power-house .. .. •• •• 108,011,955 124,375,245 120,687,377 129,627,220 Lyttelton Diesel Station .. .. .. . • • • • • " 652,587 Units purchased (Christchurch Tramway Board) .. .. 1,729,441 282,736 System .. .. .. . . . . 108,011,955 124,375,245 122,416,818 130,562,543 Substations (66 kv. and 110 kv.) .. .. 97,765,686 114,971,933 113,393,072 121,937,831 Units distributed— ~ Christchurch City Council (sold) . . .. 45,058,656|| 54,124,965 52,325,987 54,934,/19 Tramways (sold) .. .. •• .. 8,648,400 8,764,860 4,864,657 7,403,266 Wholesale consumers and local bodies (sold) .. 42,195,004 49,706,308 54,760,271 57,198,357 Retail consumers (sold) .. .. •• 24,147 4,817 2,965 2,619 Power-house and substations local consumption 2,118,757 2,569,583 2,316,735 2,017,339 (unsold) Total units distributed .. .. 98,044,964 115,170,533 114,270,615 121,556,300^[ Transmission-line losses .. .. •• 8,823,371 7,888,536 5,972,483 7,262,072 Percentage .. . • • • • • 8 • 28 6-42 5-0 5-65 Distribution losses 1,143,620 1,316,176 1,173,720 1,744,171 Percentage .. .. •• •• 1*15 1*14 1*865 1*415 Average load-factor (per cent) — " Power-house .. .. .. •• 50*7 51-6 44*8 48*7 Lyttelton Diesel Station .. . . . . .. •• •• 31*6 System .. .. 50*7 51*6 44*8 49*0 Substations (66 kv. and 110 kv.) . ... .. 51*2 51*4 44*9 48*8 Christchurch City Council .. .. .. 44*3|| 46*7|j 39*3 41 *5 Working - costs— Per kilowatt (system maximum) .. .. £1-236 £1*338 £1*85 £1*23 Per unit generated and purchased .. .. 0*067d. 0*070d. 0*112d. 0*068d. Per unit .. .. • • .. 0*074d. 0*077d. 0*120d. 0*075d. Capital charges (interest plus depreciation)**— Per kilowatt (system maximum) .. .. £4*368 £3*326 £2*94 £2*83 Per unit generated and purchased .. .. 0*236d. 0*18d. 0*178d. 0*158(1. Per unit .. .. .. •• 0*261d. 0*19d. 0*190d. 0*173d. Total cost— ~ ~~ ~ Per kilowatt (system maximum) .. .. £5*605 £4*664 £4*79 £4*06 Per unit generated and purchased .. .. 0*303d. 0*250d. 0*289d. 0*227d. Per unit .. .. .. 0*334d. 0*267d. 0*309d. 0*248d. Revenue— " ~~7~ Per kilowatt (system maximum) .. .. £7*672 £7*262 £7*060 £7*19 Per unit generated and purchased .. .. 0*416d. 0*39d. 0*427d. 0*401d. Per unit sold .. .. .. •• 0*457d. 0*42d. 0*457d. 0*432d. Per unit sold (city) .. •• •• 0*375d. 0*33d. 0*408d. 0*362d. Per unit sold (trams) .. •• •• 0*449d. 0*45d. 0*450d. 0*450d. Per unit sold (wholesale consumers) .. .. 0*556d. 0*52d. 0*515d. 0*500d. Per unit sold (retail consumers) .. •• l*441d. 2 *49d. 3*400d. 3*310d. * Includes £21,170 for power purchased. t Includes £2,802 for power purchased. % Payment into fund for year ended 31st March, 1932 £76,904. § Payment into fund for year ended 31st March, 1932, £18,062. II Excludes Woolston Borough Council. 11 Total units sold for year ended 31st March, 1932, 119,538,961. ** Table XXVIII computed on Interest plus Sinking Fund.