Show t r I I I II it tt taw weA NOa F v r V Ii F tH h t y q I I t w y MON I v A p. p N 4 t I 4 i OA tow 14 w. w N e w rw nowA Nf r Id lr V ud Pr t. t Power tat 1 f I t. t ill tj t I a r tt I IDAHO S 'S j 14 o m N t st wa l. l tm j m b Est Ests A ie J. J AUe ue wn y- y s I 1 tr 1 fu rr u 4 a ai lr PrIncipal Uno Untim m rt with Co i 1 M eN 1 a D w I a INVa I Ct f 1 Mc ti taco t Mk AI W ff MOM aa S uw t i cn t i E I t con A To X aw Power fe reel l N ro 10 Interconnecting and Power Pooling they're Pooling they're phrases tha thare that are re popping up In the news more and more In short they mean tl the e tying together and operation In unison of Or tho the trans mise Ion and generatIng generating ing facilities of two or mere re electric electrio electric elec elec- trio companies Economic Advantage The varying use of electricity in to in indifferent different places and at different different differ differ- ent times timos is turned to economic advantage by Interconnecting electric systems by high voltage transmission lines linee This way more efficient plants can be used because the generators can be kept in constant use supplying needs first to one com corn community or Industry then to an an- other It helps to smooth out the effect on the power supply eye ays- tom tern of peaks and valleys in de do- demand demand mand wand In tD different locations These interconnections or power pools also offer insurance of power sup sup- sup 1 i ply 17 in the event of a plant failure fall fail I ure on any system connected to others Despite recent emphasis government government gov I people have placed on power pooling the technique is not new The utilities of the United I States originated the pooling concept concept con con- coopt many years ago and they have voluntarily developed it with the cooperation agencies until today today to to- day the interconnection of power systems throughout the nation is I I virtually completed completed all all without federal interference I Power rooting Fooling I Utah Power Light Co offers I Ia a good example of the develop 1 rent ment ent and u use e of ot the power pooling pool pool- pool 1 Ing tag technique f The utility was formed by more than small Isolated power and light companies spread throughout the area many area many with only enough generating capacity to light a village or power a mill tied these theae small plants together to give dependable servo tee He at less Jese cost coat Later the utility pioneered interconnection with a neighboring company to exchange rower power to the advantage of both Ultimately became tied io to both Idaho Power Tower and Montana Montana Mon lon tana taDa Power Companies' Companies systems to become the southeastern mom memo ter tier of the vast Northwest Power Fo Joel l with generating reserves of ot II million kilowatts composed of ot 1 Map illustrates how high voltage lines of utility companies com corn I I interconnect power systems to make possible exchange of large blocks of energy between widely separated sections I of the country Utility companies voluntarily have long been utilizing this technique nationwide to insure electric users dependable power at the lowest possible cost I I both owned Investor and federal systems in Washington Oregon Montana Idaho and parts of Canada Can Can- ada I Now work Is under way which will link with two other p power pools the 17 million kilowatt kilowatt kilo kilo- watt Southwest Pool and the 2 l I million kilowatt Southwest Pool Poolland f I land and the 2 million kilowatt Rocky Mountain Pool I J When these high voltage trans trane mission highways are completed It will be possible to move power I generated in Utah or Idaho by plants to users in the Northwest California or in Colo Coin redo or or power generated generated generated gen gen- in the Northwest could be be moved down through the system fo Eo Southern California la Tie LinK Line I- I e These transmission transmission tie iines lines under under un un- der construction Include 1 The last two legs of the volt power artery c connecting con connecting con con- n. n the Utah Power system with that of the Arizona Public Service Co which system is tied In with owned Investor-owned and federal fed eral oral systems in Arizona Nevada and California 2 The Kemmerer Wyoming Wyoming- Rock Springs Spring line which will connect con con- the tho system and Its contiguous utilities to the Rocky Mountain Pool and the generating ing ng capacities of Colorado Public Service Co and government sya- sya I stems through the facilities facUlties of I Pacific Power and Light Com Com- com I pany Such Interconnections now cover cover cov cov- er the nation so that generating I COV-I capacity in one area can help serve loads In an entirely different different differ durer I ent section of the land and severa several states away There are In the United States and parts of Canada seven power powe pools consisting of many dual systems Each operates parallel parallel parallel par par- on a voluntary Informal ba els eie These pools pool are all aU virtually tied inter and further development development develop develop- ment can be accomplished without without without with with- out Interference by the federal federa government |