What is the approximate total percentage of electrical power generated
by gas turbines in all U.S. power plants?

Dear Monroe22,

Thank you for kindly accepting my comments as the formal answer to
your question. I am reposting the information below to make it
official.

Best regards,
Bobbie7


In 2003 Natural Gas generated 17% of total energy production.

?Natural gas is expected to have the largest increase in its share of
total electricity generation, from 17 percent in 2003 to 20 percent in
2010 and 24 percent in 2025, and by 2010 it is expected to overtake
nuclear power as the second-largest source of electricity production.?

Released: January 2005 
Annual Energy Outlook 2005
Market Trends - Electricity Demand and Supply 
Continued Growth in Electricity Use Is Expected in All Sectors  
http://www.eia.doe.gov/oiaf/aeo/electricity.html
Full text
http://www.eia.doe.gov/oiaf/aeo/index.html


16 percent in 2003 
?The natural gas share of electricity generation (including generation
in the end-use sectors) is projected to increase from 16 percent in
2003 to 24 percent in 2025. The share from coal is projected to
decrease from 51 percent in 2003 to 50 percent in 2025. AEO2005
projects that 87 gigawatts of new coal-fired generating capacity will
be constructed between 2004 and 2025 (compared with 112 gigawatts in
AEO2004).?
http://www.eia.doe.gov/oiaf/aeo/overview.html


16% in 2000
?Natural gas, in addition to being burned to heat water for steam, can
also be burned to produce hot combustion gases that pass directly
through a turbine, spinning the blades of the turbine to generate
electricity. Gas turbines are commonly used when electricity utility
usage is in high demand. In 2000, 16% of the nation's electricity was
fueled by natural gas.?
Source:Energy Information Administration
http://www.electricityforum.com/what-is-electricity.htm


1999 ? 11%
"Currently the nation burns about 3.5 trillion cubic feet of natural
gas to generate about 11 percent of the country's electric power."
http://www.memagazine.org/supparch/mepower99/energy/energy.html

bobbie7-ga: Thanks for the fine work.
monroe22

Hello Monroe22,

Would the following information be a satisfactory answer to your question?

Thanks,
Bobbie7


In 2003 Natural Gas generated 17% of total energy production.

?Natural gas is expected to have the largest increase in its share of
total electricity generation, from 17 percent in 2003 to 20 percent in
2010 and 24 percent in 2025, and by 2010 it is expected to overtake
nuclear power as the second-largest source of electricity production.?

Released: January 2005 
Annual Energy Outlook 2005
Market Trends - Electricity Demand and Supply 
Continued Growth in Electricity Use Is Expected in All Sectors  
http://www.eia.doe.gov/oiaf/aeo/electricity.html
Full text
http://www.eia.doe.gov/oiaf/aeo/index.html


16 percent in 2003 
?The natural gas share of electricity generation (including generation
in the end-use sectors) is projected to increase from 16 percent in
2003 to 24 percent in 2025. The share from coal is projected to
decrease from 51 percent in 2003 to 50 percent in 2025. AEO2005
projects that 87 gigawatts of new coal-fired generating capacity will
be constructed between 2004 and 2025 (compared with 112 gigawatts in
AEO2004).?
http://www.eia.doe.gov/oiaf/aeo/overview.html


16% in 2000
?Natural gas, in addition to being burned to heat water for steam, can
also be burned to produce hot combustion gases that pass directly
through a turbine, spinning the blades of the turbine to generate
electricity. Gas turbines are commonly used when electricity utility
usage is in high demand. In 2000, 16% of the nation's electricity was
fueled by natural gas.?
Source:Energy Information Administration
http://www.electricityforum.com/what-is-electricity.htm


1999 ? 11%
"Currently the nation burns about 3.5 trillion cubic feet of natural
gas to generate about 11 percent of the country's electric power."
http://www.memagazine.org/supparch/mepower99/energy/energy.html

Following are two quotes from authoritative sources.  While they
appear to be directly relevant to your question, they may not be
current and/or comprehensive enough for your purposes:

"CCGTs [Combined Cycle Gas Turbines] now generate less than 3 percent
of U.S. electricity. Yet because of their recent improvements in
capital and operating costs and ultra-low emissions, they account for
88 percent of planned power plants."

Northeast-Midwest Institute: The Clean Air-Innovative Technology Link
Enhancing Efficiency in the Electricity Industry:Promoting
Productivity and Efficiency With Innovative Electric Technologies, by
Tina Kaarsberg, Julie Fox Gorte, and Richard Munson (1999)(p. 23)
http://www.nemw.org/Section2.pdf


"Natural gas-fired facilities are projected to generate about 20
percent of North America?s electricity by 2009, compared to just 8
percent in 1991. Most new electricity generation additions over this
period will be natural-gas-fired gas-turbine systems."

Report to Congress: U.S. Department of Energy, Office of Fossil
Energy, National Energy Technology Laboratory:Comprehensive Program
Plan for
High Efficiency Engines and Turbines (3/02), (page 13)
http://www.netl.doe.gov/scngo/Reference%20Shelf/SCNGO%20News/headlines/2002/heet%20program%20plan.pdf

bobbie7-ga:  Yes, that is what I seek. Post it as an answer.
Thanks,
monroe22

Monroe22,

Thank you for the five stars and nice tip!

--Bobbie7