20020904ex239.pdf

Exhibit 239 (AER-Page 1 of 2PACIFICORPInterruptibility Valued at "OR WA Simple Cycle CT"Monsanto Updated InterruptibilityFirm Rate ($..per MWH)MonsantoMaximum FirmRa te Pro posa I$29.PacifiCorp FirmRa te Pro posa I$31.Line Value of Interruptibilitv based on RAMPP-6 Least Cost PeakerTotal Fixed Cost $/kW-year $73.kW Curtailed -1!P dated 162 500Adjusted for Reserve Margin of 100/0 178 750Value of Avoided Capacity 134 550Total Variable Costs $/MWH $22.
MWH Curtailed - 1!P dated 162 500
Value of Avoided Energy 659 500
Total 794 050
Adjusted for Losses at 190/0 665 661
Divided by Monsanto Load (MWH) 354 000
Value of Interruptibility ($ per MWH)$13.$13.$13.
Net Price (Firm less Interuptible Value) ($..per MWH)$16.$18.
1 RAMPP-, Table 4-, page 124
, "
OrlWa Simple CycleCT", Total Fixed Costs $/kW-
2 RAMPP-, Table 4-, page 124
, "
OrlWa Simple CycleCT", $ per MWH of Levelized Energy Cost ($21.68), plus
variable costs ($0.10 and $0.74).
3 Losses at the transmission level
Exhibit No.
Exhibit 239 (AER-Page 2 of 2PACIFICORPInterruptibility Valued at "OR WA Simple Cycle CT"Monsanto Original Proposal For InterruptibilityFirm Rate ($..per MWH)MonsantoMaximum FirmRa te Pro posa I$29.PacifiCorp FirmRa te Pro posa I$31.Line Value of Interruptibilitv based on RAMPP-6 Least Cost PeakerTotal Fixed Cost $/kW-year $73.kW Curtailed - Q!jg inal Offer 116 500Adjusted for Reserve Margin of 100/0 128 150Value of Avoided Capacity 416 462
Total Variable Costs $/MWH $22.
MWH Curtailed - Q!jg inal Offer 450
Value of Avoided Energy 541 494
Total 957 956
Adjusted for Losses at 190/0 526 674
Divided by Monsanto Load (MWH) 354 000
Value of Interruptibility ($ per MWH)$8.$8.$8.
Net Price (Firm less Interuptible Value) ($..per MWH)$20.$22.
1 RAMPP-, Table 4-, page 124
, "
OrlWa Simple CycleCT", Total Fixed Costs $/kW-
2 RAMPP-, Table 4-, page 124
, "
OrlWa Simple CycleCT", $ per MWH of Levelized Energy Cost ($21.68), plus
variable costs ($0.10 and $0.74).
3 Losses at the transmission level
Exhibit No.