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Show M't 'nminnn. thnniKli l'm-it f clln inul Ulii.-Uf.iut in Nli.-llry, 1m miuln hy Ilio twit cumiinil-s, unit ttmt then' uluuilil lm i Nil I (11 bin uri ii iiKi'NU'iilH 1 1 ill i in for 1 lio lll-ti'n'InuiKi' lll-ti'n'InuiKi' of power tiolwi'Kii tho i'ihii-lmni.-s vi;i Mich Mil.', inul thut tlm Umli rower I , Ik lit cot n puny In willing I hut aui-h phynU-iU connect Inn l.n cMhiMI.'.hed, and thut arriniKt'inniits fur inlerc lninK of power MiunWL Im imuln ilium rr;i.sou- llbln t nrillH inul (Milt Ul loiiM. "W'li h ilmi oint in view, oiMiHtviict inn of Nlieh u eonueclion linn hiiH been cnin-menceil, cnin-menceil, by tho I tub 1 'nwer A.-. 1-ik'lit company and by t ho Idaho I'owor rnin-puny, rnin-puny, ii i Ml Khnulit bn tminplotnd nmt ready for service, not later than Novi-mbm 1, "There. In at this tlmo no olhrr feunlbln point of connect ion of IntercluuiK" "f power between tho Utah Tower & LIkIil company and tho Idaho Tower compuny." EIEC1C PUNTS WILL BJ01NED Power Companies of Idaho to Work Together for Efficient Service. Special to Tho Tribune. HOIS I-:, Idaho, Sept. 11. Transmission lines of tho Vtah Power & Ulit company com-pany and Of tho Idaho Power company ure to be joined at Tlackfoot. and ut I'ociv-tello I'ociv-tello by Novtinber 1, to provide uddl-tiouat uddl-tiouat power for the vicinity of daho Kalis and the Cpper Snake River valley, according to answers filed with tho public pub-lic utilities com mission this mornins 1" re spon so to an order by tho com mission lust week directing the companies to show cause why their lines should not bo connected to make up tho deilciency of power now existing In southern Id alio. lu reply to a section of the orter addressed ad-dressed to the Idaho 1'ower company requiring re-quiring data on tne possibility of brlnk'-a.l brlnk'-a.l its jiower plants to the highest possible- point oi development, tiio company com-pany alleges that to connect its "east" system, supplied hy the American Falls plants, and Us "west" system, (supplied by the oxbow, Horseshoe Henri, Swan Tails and ut her plant s, would cost $1,-li'.", $1,-li'.", is:. not itichulini; $2, ,"00,000 for transmission trans-mission lines to the far western portion ! of the state. i This Iuiko cost, it is declared, can be bette: s'eut in development of power sites nearer the source of demand, as tho surplus of the American Tails plant would be more than absorbed by capacity required re-quired to charge the transmission line. In order to take cure of additional power requirements in southwestern Idaho in l:r:o and lii.'l. the answer elates, the Idaho Power company is urranglng ior installation of tainter pates on about two-thirds of the dam at the Swan Tails power plant and a semipermanent tlashboard structure along the remainder of the dam to replace a temporary one. The company is also continuing drJ(rInff operaions at the tail-race and arranging some changes at the Swan Falls plant, which will increase the capacity of that plant approximately 1000 kilowatts dur-mir dur-mir normal flood water conditions, and from iojo to 19.000 kilowatts during the remainder or" the year. A 60'io-kilowatt hvdro-electric unit will be installed at the Thousand Springs plant in October, and it will be completed by next April, according to the company com-pany s statement. This will increase the surplus power on the west side system during the irrigation season to 650) kilowatts, except during the extreme iioodwater season of about thirtv days it will have a surplus of 2600 kilowatts. I: appears advisable, tho answer states, to develop power near the west end of the west system rather than at the east end. and thus keep down to a minimum investments and losses in transmission lines. The increased possible total development develop-ment at Oxbow. Malad, Lower Salmon Falls and Shoshone Falls is 50.700 kllo-waits. kllo-waits. it is estimated, which, with present pres-ent plans, will take care of a load thrP and two-thirds greater than the present load. The Utah Power & Light company's answer sets out: "That it has a 44.0c0-vo!t line constructed, con-structed, or under construction, from its Grace or Bear River stations, to Mc-Cammon, Mc-Cammon, approximately twenty miles southeast of Pocatello. one of the termini ter-mini of lines of the Idaho Power company, com-pany, extending from its American Falls station on the Snake river, and this company com-pany p1?o has a 44.000-volt line extending extend-ing south from its Idaho Falls and Upper Up-per Snake river plants and system to Shelley. approximately twenty miles northeast of Blaekfoot. another terminus of the Idaho Power company's lines extending ex-tending from its Amerfcan Falls station. "That it would be desirable and In the interest of ejficlent and reliable public service, both in the territory served bv the Idaho Power company, and in that served by the Utah Power & Lipht com- 1 pany in the vicinity of Idaho Falls and throughout the Upper Snake River val- j ley, that a joint physical connection from |