PUB00037

• Year: 1988
• Title: Colorado Joint Planning Study Economic Potential of Pumped Storage
• CWCB Section: Interstate & Federal
• Author: Colorado Water Resources and Power Development Authority
• Description: Assessment of whether pumped storage facilities are economically attractive to Colorado utilities
• Publications - Doc Type: Water Resource Studies

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COLORADO JOINT PLANNING STUDY 1 0/31/88
ECONOMIC POTENTIAL OF PUMPED STORAGE
Expansion Plan Summary
Statawlda Capacity Summary
MEDIUM FORECAST WITH PUMPED STORAGE
(MW)
Colorado Coal Combusllon Total Total Reserve POlentlal Purchasu
Installed Additions Purchaau Other Colorado olorado Pea Margin and Sales: (8)
Yur Ca acll 1 2 Addillons 3 4 Ca acll 5 Load 6 7 peakln Baseload
1988 5937 0 0 1491 0 7428 5366 38% 16 0
1989 7428 0 0 186 0 7614 5508 38% 0 0
1990 7614 0 0 31 100 7745 5631 38% 0 0
1991 7745 0 0 -93 14 7666 5773 33% 0 50
1992 7666 0 0 63 0 7729 5918 31% 0 0
1993 7729 0 0 165 0 7894 6069 30% 74 0
1994 7894 0 0 382 -16 8260 6232 33% 0 100
1995 8260 0 0 5 0 8265 6395 29% 0 0
1996 8265 0 0 0 7 8272 6515 27% 0 0
1997 8272 0 0 10 75 8357 6642 26% 174 0
1998 8357 0 0 0 0 8357 6794 23% 0 0
1999 8357 0 0 10 0 8367 6944 20% 174 0
~ 2000 8367 0 0 5 0 8372 7092 18% 0 0
, 2001 8372 0 100 10 0 8482 7221 17% 0 0
I\)
2002 8482 0 74 10 0 8716 7379 18% 0 0
2003 8716 250 100 5 0 9071 7528 20% 0 0
2004 9071 0 0 0 0 9071 7670 18% 0 0
2005 9071 300 0 0 0 9521 7818 22% 0 0
2006 9521 0 0 0 0 9596 7964 20% 0 0
2007 9596 0 100 0 0 9771 8117 20% 0 0
TotalMW: 550 374 450 2280 180

(1) Cumulative installed capacity for Colorado utilllies (PSCO, CSDU, Cantel, PRPA, TSGT, and CUEA).
(2) Repre.ent. coal, combustion turbine, and pumped storage unlls added In each year.
(3) Represants presenlly identnled additions to Out of State, WAPA, Fort St. Vraln and OF purchases.
(4) Represants committed, retired, and all other hydro unlls.
(5) Sum 01 Installed Capacity, New Units, Purchases, and Other.
(6) Sum of Noncoincidant Peaks 01 Colorado utilities.
(7) Res9fVe Margin = (Total Colorado Capacity. Total Colorado PeakYfotal Colorado Peak
(8) Represents capacity that Is needed by one utility that could be purchased from another utility
in the state under firm purchased power and sales agreements. Additional exchanges,
other than the exchanges reported here, are performed by economy energy interchanges.

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