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

---------
- - - - - - - - - - .. ... - - .. - - - ..
7
COLORADO JOINT PLANNING STUDY 1 0/31/88
ECONOMIC POTENTIAL OF PUMPED STORAGE
Expansion Plan Summery
Statewide Capeclty Summary
HIGH FORECAST WITHOUT PUMPED STORAGE
(MW)
Colorado Coal Combustion Combinad Total Total Reserve Potenllel Purcheses
In.telled Addillon. Turbine Cycle Purchases Other Colorado olorado Pee Mergln and Seles: (8)
Yeer Ca eel 1 2 Additions 2 Addlllons 3 4 Ca acit 5 Load 6 7 Peakln Baseload
1988 5937 0 0 0 1491 0 7428 5660 31% 16 0
1989 7428 0 0 0 186 0 7614 5835 30% 0 0
1990 7614 0 0 0 31 100 7745 5993 29% 0 0
1991 7745 0 0 0 .93 14 7666 6159 24% 75 50
1992 7666 0 0 0 63 0 7729 6332 22% 0 0
1993 7729 0 0 0 165 0 7894 6512 21% 74 .0
1994 7894 0 0 0 382 .16 8260 6705 23% 0 100
1995 8260 0 0 0 5 0 8265 6896 20% 0 0
1996 8265 0 0 0 0 7 8272 7044 17% 74 0
1997 8272 485 100 0 10 75 8942 7259 23% 0 0
1998 8942 0 74 0 0 0 9016 7446 21% 0 0
1999 9016 0 100 0 10 0 9126 7636 20% 0 0
2000 9126 0 75 0 5 0 9206 7827 18% 0 0
2001 9206 0 249 0 10 0 9465 8017 18% 0 0
(J1 2002 9465 250 0 0 10 0 9725 8211 18% 0 0
, 2003 9725 250 100 0 5 0 10080 8406 20% 0 0
(J1
2004 10080 0 74 0 0 0 10154 8606 18% 0 0
2005 10154 300 150 0 0 0 10604 8811 20% 0 0
2006 10604 0 149 0 0 0 10753 9017 19% 0 0
2007 10753 0 250 0 0 0 11003 9227 19% 0 0
Total MW: 1285 1321 0 2280 180
(1) Cumulative Installed capacity for Colorado utilities (PSCO, CSDU, Cental, PRPA, TSGT. and CUEA).
(2) Represent. coal, combustion turbine, and combined cycle units added In each year.
(3) Represents p<esently Identified additions to Out of State, WAPA, Fort St. Vrain and OF purchase..
(4) Represents committed, retired, and all other hydro units.
(5) Sum of Installed Capacity, New Units, Purchase., and Other.
(6) Sum of Noncolncident Peaks of Colorado utilnles.
(7) Reserve Margin = (Total Colorado Capacity. Total Colorado Peak)rrotal Colorado Peak
(8) Repre.ent. capacny that Is needed by one utility that could be purchased from another utility -I
In the state under firm purchased power and sales agreements. Additional exchanges, III
CT
other than the exchanges reported here, are performed by economy energy interchanges. CD
(J1
,
.".