|
Cherokee
Location: CO
Operator: Xcel Energy
Configuration: 1 X 107 MW, 1 X 152 MW, 1 X 106 MW, 1 X 350 MW
Operation: 1957-1968
Fuel: bituminous coal, subbituminous coal, gas
Boiler supplier: B&W, CE
T/G supplier: GE, Westinghouse
Quick facts: Cherokee was upgraded as part of the Denver Metro
Emissions Reduction Program (MERP).
Photograph by C Bergesen
Posted 29 Jun 2003 |
Comanche 1&2
Location: CO
Operator: Xcel Energy
Configuration: 2 X 350 MW
Operation: 1973-1975
Fuel: subbituminous coal
Boiler supplier: B&W, CE
T/G supplier: Westinghouse
EPC: Stearns-Roger
Quick facts: The power station is žmi from Evraz Steel Mill in Pueblo, the single largest commercial account for Xcel
Energy in Colorado and the only direct electric customer in the immediate
area. All other electricity that Comanche generates is sold to the grid.
Photograph courtesy of Power
Posted 25 Feb 2006 |
Comanche-3
Location: CO
Operator: Xcel Energy
Configuration: 820 MW
Operation: 2010
Fuel: subbituminous coal
Boiler supplier: Alstom
T/G supplier: MHI, Melco
EPC: Shaw, Alstom, UTEC
Quick facts: This is the largest generating unit in Colorado and is
jointly owned with two coops, Intermountain Rural Electric Assoc
(24%) and Holy Cross Energy (8%). All permits
for Comanche-3 were received in Sep 2005 and the plant was synchronized on 6 Jul 2010. The new, air-cooled
supercritical unit burns PRB coal as do the two existing sets at the site.
Coal burn for the expanded plant will be about 5.5mn tpy. The project cost
including new transmission was $1.4bn. Up to 2,400 construction workers were on the job.
The stack is 500ft tall.
Photograph courtesy of
Alstom
Posted 24 Oct 2010 |
|
Craig
Location: CO
Operator: Tri-State G&T Association
Configuration: 2 X 428 MW, 1 X 408 MW
Operation: 1979-1984
Fuel: subbituminous coal
Boiler supplier: B&W
T/G supplier: GE
EPC: Stearns-Roger, Stanley
Quick facts: Units 1&2, known as the Yampa Project, are owned by Tri-State
and four other regional utilities. Tri-State is the sole owner of Unit-3.
In early 2002, a $105mn, multiyear environmental retrofit was started on
Units 1&2 to address opacity concerns and particulate
emissions.
Photograph courtesy of Tri-State G&T Association
Posted 16 Feb 2005 |
Lamar Rebuild
Location: CO
Operator: Arkansas River Power Authority
Configuration: 1 X 25 MW, 1 X 18 MW
Operation: 1972-2008
Fuel: subbituminous coal
Boiler supplier: B&W
T/G supplier: GE, ABB
Quick facts: Stearns Roger, ForeRunner Corp
Quick facts: In Oct 2005, ARPA decided on a repowering job at the Lamar
Power & Light Lamar station to makeup for the expiration of various
wholesale power contracts with regional public power authorities. The
$120mn job involved adding a B&W CFB boiler to supply a shutdown 25-MW gas
and oil-fired steam set plus plus a new 18-MW T/G. Also new is the 227ft
stack and an SPX air-cooled condenser shown in front of the boiler house
and turbine hall.
Photograph courtesy of Power
Posted 13 Aug 2008 |
Martin Drake
Location: CO
Operator: Colorado Springs Utilities
Configuration: 1 X 59 MW, 1 X 88 MW, 1 X 147 MW
Operation: 1962-1974
Fuel: subbituminous coal
Boiler supplier: B&W, Riley Stoker
T/G supplier: GE, Westinghouse
Photograph by C Bergesen
Posted 4 Jul 2004
|
|
Nucla
Location: CO
Operator: Tri-State G&T Association
Configuration: 3 X 12 MW, 1 X 64 MW
Operation: 1959-1987
Fuel: bituminous coal
Boiler supplier: Springfield, Pyropower
T/G supplier: Delaval, WH
EPC: Stearns-Roger
Quick facts: In 1987, Nucla was retrofit with one of the first large-scale
ACFB boilers in the USA.
Photograph courtesy of Tri-State G&T Association
Posted 16 Feb 2005 |
Pawnee
Location: CO
Operator: Xcel Energy
Configuration: 1 X 500 MW
Operation: 1981
Fuel: coal
Boiler supplier: FW
T/G supplier: GE
EPC: Stearns-Roger, Ebasco
Quick facts: Pawnee has an
elaborate coal-blending system to enable it to meet local emission
regulations
Photograph by C Bergesen
Posted 5 Jun 2003 |
Rawhide
Location: CO
Operator: Platte River Power Authority
Configuration: 1 X 274 MW
Operation: 1984
Fuel: subbituminous coal
Boiler supplier: CE
T/G supplier: WH
EPC: Black & Veatch
Quick facts: After over 4yrs of construction, Rawhide went commercial on
31 Mar 1984. The plant supplies electricity to the cities of Estes Park,
Fort Collins, Longmont, and Loveland, municipalities that formed PRPA in
1973. The plant has some of the lowest SO2 emissions of any U.S. power
plant. Hamilton Reservoir was built to supply cooling water and is
recharged by treated wastewater from Fort Collins. The stack is 505ft
tall. Rawhide is thought to be the only power plant in the U.S. with a
bison herd, a group of about 50 animals descended from the herd at Custer
State Park in South Dakota.
Photograph courtesy of Power
Posted 1 Nov 2008 |
|
Ray D Nixon
Location: CO
Operator: Colorado Springs Utilities
Configuration: 1 X 230 MW
Operation: 1980
Fuel: bituminous coal
Boiler supplier: B&W
T/G supplier: GE
EPC: Lutz Daily & Brain
Photograph by C Bergesen
Posted 4 Jul 2004
|
|
Valmont-5
Location: CO
Operator: Xcel Energy
Configuration: 1 X 186 MW
Operation: 1964
Fuel: coal, natural gas
Boiler supplier: CE
T/G supplier: AC
Quick facts: Construction on Valmont
began in 1921 and the first unit
went into service in 1924. After Unit-4 was commissioned in 1942, Valmont
became the largest power station west of the Missouri River. The four oldest units were retired in 1986.
The 900ac site is an important regional wildlife refuge.
Photograph by C Bergesen
Posted 7 Jun 2003 |
