121

D.—l

Table XXI. —Waikato Electric-power Supply.—Results of Operations.

16—D. 1.

Sixth Year. Seventh Year. Eighth Year. \ Ninth Year. March, 1926. March, 1927. March, 1928. j March, 1929. Capital outlay— £ £ £ £ Horahora—Total expenditure .. .. .. 561,065 576,841 609,228 617,725 Less assets not in operation .. .. .. 33,734 Horahora —Assets.in operation .. .. .. 527,331 576,841 609,228 617,725 Arapuni—Assets in operation .. .. 174,026 268,107 363,945 524,621 Total assets in operation .. .. .. 701,357 844,948 973,173 1,142,346 Costs— Working-costs .. .. .. .. .. 19,612 28,713 46,568 76,231 Capital costs —Interest .. .. .. .. 31,269 37,989 44,190 53,044 Capital costs —Depreciation .. .. .. 13,601 16,481 18,646 21,527 Sinking Fund .. .. .. •• 11,342 8,448 9,732 Total costs .. .. .. .. 75,824 91,631 119,136 150,802 Revenue .. .. .. .. .. .. 85,830 108,748 125,312 135,511 Profit .. .. .. .. .. .. 10,006 17,116 6,176 Dr. 15,291 Accumulated surplus .. .. .. .. 30,554 47,670 53,845 32,415 Accumulated Depreciation Fund .. .. .. 46,444 63,782 84,272 103,187 Accumulated Sinking Fund .. .. .. .. 28,939 38,515 49,847 52,164 Maximum load (kilowatts) — System for year (includes Grand Junction, Diesel plant, 11,860 14,760 15,700 15,900 and McLaren's Falls) Horahora Power-station for year .. .. .. 11,400 12,400 12,400 10,300 Horahora Power-station, average weekly .. .. 9,665 11,090 11,370 9,702 Units output — Horahora Power-station, total generated .. .. 65,435,630 79,253,160 88,703,370 79,298,740 Grand Junction .. .. ■■ .. .. .. . • 5,846,740 Diesel plant .. •• •• •• •• •• •• 7,070,912 Units purchased (McLaren's Falls, Auckland Power 1,590,511 7,398,942 11,372,298 12,776,370 Board, and dairy factories) Total units generated and purchased .. .. 67,026,141 86,652,102 100,075,668 104,992,762 Horahora exciter sets .. .. .. .. 1,210,230 1,850,000 1,720,690 1,010,540 Horahora local service .. .. .. .. .. •• 424,600 337,635 Units available for outgoing lines .. .. .. 65,815,911 84,802,102 97,930,378 103,644,587 Units sold .. . ■ •• 60,261,326 75,844,229 87,852,067 92,707,271 Units unaccounted for .. .. .. .. 5,554,585 8,957,873 10,078,311 10,937,316 Percentage of units available .. .. .. 8-44 10*55 10-29 10-58 Total units fed to 11 kv. lines at Horahora .. .. 7,626,020 8,458,230 10,463,059 11,495,860 Input to 50 kv. lines .. .. .. .. 56,321,700! 68,204,125 76,318,205 78,458,710 Input to 50 kv. substations .. .. .. 51,919,046 60,467,232 69.036,223 70,597,039 50 kv. transmission and transmission losses (units) .. 4,402,654 7,736,893 6,281,982 7,861,671 Percentage of units to 50 kv. lines .. .. .. 7-82 11-35 9-1 11-1 Distribution losses, 11 kv. (units) .. .. .. 874,251 350,588 215,995 469,659 Discrepancy in metering .. .. .. .. 277,680 Load-factor, annual (per cent.) — System 64-5 67-7 72-8 75-5 Power-house .. . • •. • • • ■ 65-5 72-9 81-7 87-8 Load-factor, average weekly— Power-house .. .. . • •. . ■ 77-5 81-6 88-2 93-2 Working-costs .. .. - • ■■ £19,612 £28,713 £46,568 £76,231 Per kilowatt (system annual maximum) .. .. £1-65 £1-95 £2-96 £4-79 Per unit generated and purchased . . .. .. 0-070d. 0-079d. 0-112d. 0-174d. Per unit sold .. •. •• 0-078d. 0-091d. 0-127d. 0-197d. *Ca-pital costs £44,870 £54,470 £62,836 £74,571 Per kilowatt (system annual maximum) .. . . £3-78 £3-69 £4-00 £4-70 Per unit generated and purchased .. .. .. 0-161d. 0 151d. 0-151d. 0-171d. Per unit sold .. .. ■■ •• 0-179d. 0-172d. 0-172d. 0-194d. *Total costs on system £64,482 £83,183 £109,404 £150,802 Per kilowatt (system annual maximum) .. .. £5-43 £5-64 £6-96 £9-49 Per unit generated and purchased .. .. .. 0-231d. 0-230d. 0-263d. 0-345d. Per unit sold .. .. •. •. •. 0-257d. 0-263d. 0-299d. 0-391d. Revenue .. .. . • •• •• •• £85,830 . £108,484 £125,312 £135,511 Per kilowatt (system annual maximum) .. .. £7-24 £7-72 £7-98 £8-53 Per kilowatt (power-house annual maximum) .. £7-52 £8-75 £10-1 £13-15 Per kilowatt (power-house average weekly maximum).. £8-88 £9-79 £11"1 £13-97 Per unit generated and purchased .. .. .. 0-307d. 0-301d. 0-305d. 0-31d. Per unit sold .. . • • • ■ • • • 0-342d. 0-343d. 0-342d. 0-351d. * Sinking fund not included for 1929.