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|Revised:||5/9/2005||Prepared by Ray Kreig for Chugach Consumers|
|SOUTHERN INTERTIE COST-BENEFIT: TWO REPORTS PREPARED BY DECISION
FOCUS - AERONOMICS ONE MONTH APART;
ONE PUBLIC - ONE KEPT CONFIDENTIAL (until 12/6/02)
WHY ARE THEY SO DIFFERENT?
|TABLE 1-11 - NET PRESENT WORTH OF BENEFITS FOR THE
Decision Focus, Inc. - Aeronomics, Update and Reevaluation of the Economic Benefits of Southern Intertie Project. March 9, 1998.
|WHERE DO THE BENEFITS OF THE SOUTHERN INTERTIE COME FROM?
Decision Focus, Inc. - Aeronomics, Ratepayer Impacts of Proposed Transmission Projects Final Report. February 16, 1998. CONFIDENTIAL (until 12/6/02)
(millions of 1997 $)
(million $ NPV)
|Economy energy transfer||37.8||Transfer Payments-Energy and Spin||0|
|Spinning reserve sharing||9.3||Energy+Spinning Reserve||15.48|
|Reduced line maintenance||4||Reduced Reconstruction Costs on Existing Line||3.01|
|Avoid minimum CT generation on Kenai (*)||10.7||Avoided and Deferred Generation||4.18|
|Avoid not loading line during bad weather/construction (*)||11.4||Avoid Zero Loading for Maintenance||4.76|
|Avoid Zero Loading for Other Reasons||4.85|
|Total Cost**||124.1||Total Cost**||124.1|
|Net Benefits after costs||19.4||Net LOSS||-67.4|
* Asterisks indicate benefits not considered in 1989 due to different assumptions for system operating parameters prior to completion of the Bradley Lake Hydroelectric Project.
For source see page 1-29 of:
|SOURCE: p. 30 of Samuelson, R., Hass, S., and Chugach Electric Association, 2002, Ratepayer Impacts of Proposed Transmission Projects Final Report; Includes Chugach Electric Association's Comments: DFI-Aeronomics, [6 p.], 75 p. [marked "Client Confidential"]. NOTE: Released by vote of Chugach Board on 11/20/02. First available 12/6/02 with 6-page transmittal memo and newly added "Chugach Review Comments" imprinted throughout the 75 page original document dated 2/16/98.|
|** Source for Total Cost:||http://www.chugachconsumers.org/Lib/Int/SouInt.Cost-Ben.htm|