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<br />load factor; long-term capacity without energy or with the return of energy <br />and short-term capacity without energy: or with the return of energy and <br />other power. Other power would add project generated surplus energy to the <br />four classes present 1 y i nc 1 uded as other power: Emergency as s i stance, <br />scheduled maintenance, interchange and fuel replacement service. <br /> <br />Sl ide IV-13 <br /> <br />Sl ide IV-14 <br /> <br />Municipal Utility Load Duration Curve <br /> <br />This slide shows the same customer who h'as added 1B.5 MW of peaking capacity <br />to his purchases from CRSP. He is able to "clip the peak" an additional <br />18.5 MW which allows him to increase his load factor on his other resources <br />from 66% in the first example to 81 % i,n this example. The load factor for <br />his total CRSP resource has decreased f~om 58.2% to 49.1%. In each case, the <br />energy from each resource remains the] same. It is simply that the CRSP <br />resource is used more effectively in the second scenario. We believe that <br />an arrangement 1 ike this where a custo~er can increase the load factor on <br />his other resources and forego the capital cost of his own peaking capacity <br />will usually lead to lower overall costs. <br /> <br />Slide IV-IS <br /> <br />Firming Energy <br /> <br />The purchase of firming energy has been a major expense item in our opera- <br />tions. At present firming energy is purchased on the open market at costs <br /> <br />12 <br />