D.—l.

Table X.—Waikato Electric-power Supply: Horahora-Arapuni Scheme. —Analysis of Capital Outlay.

Table XI.—Waikato Electric-power Supply: Horahora-Arapuni Scheme. —Operating or Working Costs.

Total units sold: 1927-28, 87,852,067 ; 1928-29, 92,707,271 ; 1929-30, 173,003,373 ; 1930-31, 131,013,550.

90

At 31st At 31st ISlSr 6 March, March, aunng year ' 1930. 1931. Dr. Cr. Horahora— £ £ £ £ Land, road, and fencing .. .. .. .. 3,208 3,208 Headworks.. .. .. .. .. .. 187,609 178,636 27 Generating-station, transformers, and machinery .. 110,928 111,143 215 Staff village.. .. .. .. .. .. 12,439 12,678 239 Arapuni—■ Land, roading, and fencing .. -.. .. .. 37,002 37,026 24 Headworks.. .. .. .. .. .. 901,973 951,309 49,336 Generating-station, transformers, and machinery .. 573,049 617,543 44,494 Staff village.. .. .. .. ".. .. 47,866 48,503 637 Remedial works .. .. .. .. .. .. 47,544 47,544 Auxiliary plants— Waihi Grand Junction steam plant .. .. .. 9,139 9,139 Diesel plant.. .. .. .. .. .. 63,330 61,771 .. 1,559 Huntly steam plant .. .. .. .. .. .. 11,170 11,170 Transmission-lines .. .. .. .. .. 605,417 606,605 1,188 Main substations .. .. .. .. .. 369,974 386,556 16,582 Distribution-lines (11,000 volts) .. .. .. 44,261 40,868 .. 3,393 Distribution substations (11,000 volts) .. .. .. 10,913 10,831 .. 82 General — Land, stores, and railway-siding, Ruakura .. .. 13,809 13,809 Staff residences .. .. .. .. .. 4,372 4,372 Office furniture, Hamilton .. .. .. .. 924 839 .. 85 Motor-vehicles, loose tools, and equipment .-. .. 15,851 15,549 .. 302 Engineering office and general expense» on surveys and on 152,479 158,784 6,305 construction Interest during construction .. .. .. .. 353,198 459,952 106,754 Cost of raising loans .. .. .. .. .. 132,055 135,791 3,736 Stocks of spares at substations, &c. .. .. .. 39,631 20,211 580 Totals .. .. .. .. .. 3,660,427 3,943,837 283,410 " .

1927-28. 1928-29. 1929-30. 1930-31. r„ Qt Per Unit P „_ t Per Unit r „ t Per Unit rnat Per Unit oost - generated. uost - generated. oost - generated. oost - generated. Generating — £ d. £ d. £ d. £ d. Horahora .. .. .. 5,837 0-0158 6,453 0-0195 7,018 0-0319 7,430 0-0223 Arapuni .. .. .. .. .. .. .. 4,410 0-0087 3,737 0-0219 Grand Junction .. .. .. 10,609 0-7047 17,836 0-7321 10,972 0-9819 20,651 0-7780 Diesel plant .. .. .. .. .. 14,930 0-5067 4,791 0-4409 12,861 0-4102 Sum .. .. .. 16,446 .. 39,219 .. 27,191 .. 44,679 Per Unit Per Unit Per Unit Per Unit sold. sold. sold. sold. Transmission-lines (110, 50, and 11 kv.) 7,757 0-0212 7,995 0-0207 12,331 0-0171 11,850 0-0217 Main substations (110 and 50 kv.) .. 5,466 0-0149 6,165 0-0148 9,016 0-0125 9,252 0-0169 Management and general .. .. 5,631 0-0154 6,210 0-0161 6,216 0-0087 6,100 0-0112 Total .. .. .. 35,300 0-0965 59,589 0-1543 54,754 0-0759 71,881 0-1317 Power purchased .. .. .. 11,268 .. 15,964 .. 7,777 .. 9,271* Standby provision .. .. .. .. 240 .. 171 .. 20,737 Total .. .. .. 46,568 0-1272 75,793 0-1962 62,702 0-0871 101,889 0-1867 * Includes £44 for power purchased in 1928-29 and paid for in 1930-31.