/PRNewswire/ -- Georgia Power expects to request approval from the Georgia Public Service Commission to decertify two coal-generating units totaling 569 megawatts, the company announced Wednesday.
The request to decertify units 1 and 2 at Plant Branch in Putnam Co. will be included in Georgia Power's updated Integrated Resource Plan filing with the commission in late summer. The company expects to ask for decertification of the units as of the effective dates of the Georgia Multipollutant Rule, which are currently anticipated to be Dec. 31, 2013 for unit 1 and Oct. 1, 2013 for unit 2.
The decision to decertify the units is based on a need to install environmental controls to meet a variety of existing and expected environmental regulations.
"After an extensive analysis of the cost to comply with environmental regulations, we have determined the continued operation of these units would be uneconomical for our customers," said Georgia Power President and CEO Paul Bowers. "This decision is in keeping with our focus to provide affordable and reliable electricity for our customers."
Georgia Power will continue to evaluate existing and expected federal and state environmental rules involving air emissions, water treatment, and coal ash and gypsum to determine the economics of installing additional environmental controls on generating units at other Georgia Power plants, including Plant Branch units 3 and 4.
Georgia Power currently operates 9,686 megawatts of coal-fueled generation at 10 plants across the state.
The commission is expected to vote on the decertification request in spring 2012.
Georgia Power is the largest subsidiary of Southern Company (NYSE: SO), one of the nation's largest generators of electricity. The company is an investor-owned, tax-paying utility with rates below the national average. Georgia Power serves 2.3 million customers in all but four of Georgia's 159 counties.
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Showing posts with label coal. Show all posts
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Wednesday, March 16, 2011
Friday, December 17, 2010
Power4Georgians Statement on December 16, 2010 Administrative Law Judge’s Ruling
(BUSINESS WIRE)--We are very disappointed by this decision. As the ALJ acknowledged throughout her decision, Plant Washington’s permit contains a collection of the lowest emission limits of any coal-fired power plant in the country. These limits were the product of rigorous analyses by EPD. In the end, the ALJ elected to elevate form over substance, in that she focused on the words that the EPD witnesses used to explain their analyses, rather than the low emission limits that their analyses produced.
We are surprised by her decision.
Power4Georgians believes that, in reaching her decision on two of the MACT claims, the ALJ ignored the fact that Plant Washington’s MACT surrogate emission limitations for PM-filterable and carbon monoxide (CO) was recently cited by another court in Texas, and even the Sierra Club, as the lowest emission limitations that have been permitted for new coal-fired power plants.
The ALJ ruled in P4G’s and EPD’s favor on the majority of Petitioners’ claims. Of the five (5) claims left in the case, the ALJ rejected three (3) of these claims. Specifically, the ALJ rejected Petitioners’ claims regarding (a) the BACT emission limitation for sulfuric acid mist; (b) the use of CO as a surrogate for the control of dioxins and furans; and (c) P4G’s air dispersion modeling of PM10. The ALJ concluded, however, that the MACT emission limitations for PM-filterable and carbon monoxide (CO) are “not reflective of MACT.” The ALJ did not agree that Petitioners’ proposed alternative PM-filterable and CO emission limitations were “reflective of MACT;” rather, she concluded that EPD and P4G failed to support the Permit’s PM-filterable and CO emission limitations with sufficient data and analysis.
It is important to note that P4G’s intention to move forward with plans to develop and construct Plant Washington is unchanged. The ruling is 69 pages long and it was received this afternoon. We view this as a temporary setback and we are reviewing the decision carefully to determine the best path forward for this project. Coal continues to be an important and essential part of a reliable, low-cost energy portfolio for the future as evidenced by progress made recently on other plants across the nation.
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We are surprised by her decision.
Power4Georgians believes that, in reaching her decision on two of the MACT claims, the ALJ ignored the fact that Plant Washington’s MACT surrogate emission limitations for PM-filterable and carbon monoxide (CO) was recently cited by another court in Texas, and even the Sierra Club, as the lowest emission limitations that have been permitted for new coal-fired power plants.
The ALJ ruled in P4G’s and EPD’s favor on the majority of Petitioners’ claims. Of the five (5) claims left in the case, the ALJ rejected three (3) of these claims. Specifically, the ALJ rejected Petitioners’ claims regarding (a) the BACT emission limitation for sulfuric acid mist; (b) the use of CO as a surrogate for the control of dioxins and furans; and (c) P4G’s air dispersion modeling of PM10. The ALJ concluded, however, that the MACT emission limitations for PM-filterable and carbon monoxide (CO) are “not reflective of MACT.” The ALJ did not agree that Petitioners’ proposed alternative PM-filterable and CO emission limitations were “reflective of MACT;” rather, she concluded that EPD and P4G failed to support the Permit’s PM-filterable and CO emission limitations with sufficient data and analysis.
It is important to note that P4G’s intention to move forward with plans to develop and construct Plant Washington is unchanged. The ruling is 69 pages long and it was received this afternoon. We view this as a temporary setback and we are reviewing the decision carefully to determine the best path forward for this project. Coal continues to be an important and essential part of a reliable, low-cost energy portfolio for the future as evidenced by progress made recently on other plants across the nation.
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Friday, April 9, 2010
Georgia Environmental Protection Division Issues Final Permits for Plant Washington
(BUSINESS WIRE)--Power4Georgians LLC today announced the Georgia Environmental Protection Division (EPD) has issued final permits for the operation of Plant Washington, an 850 Megawatt coal-fired energy facility in Washington County, Georgia.
“These permits demonstrate that the process works”
The permits issued by EPD today to Power4Georgians, LLC, include Prevention of Significant Deterioration (PSD) permit for air quality; National Pollutant Discharge Elimination System (NPDES) permit for water discharge; a groundwater withdrawal permit; a surface water withdrawal permit; and a notice of site suitability for the solid waste handling facility.
The permits are the culmination of more than two years of work by Power4Georgians’ development team not only to meet but to exceed Georgia EPD’s rigorous air and water quality standards. Although the air and water standards in Plant Washington’s draft permits, issued by EPD in August 2009, represented standards that are acceptable under the strictest guidelines of the U.S. Environmental Protection Agency, Power4Georgians continued to work to reduce emissions levels further while also developing an unprecedented water management strategy.
“We made significant and positive changes in our application to make our permits among the very best, if not the best, in the country,” said Dean Alford, spokesman for Power4Georgians. “We responded to suggestions raised with regard to air and water and now have exceptional standards that far exceed the strictest federal regulations for protection of human health and the environment.”
Through careful review of more than two-and-a-half years of testing data, as well as an evaluation of the technology and coal types to be used, Power4Georgians was able to devise a strategy that produced significant reductions of the emissions levels contained in the draft permit. As a result, Plant Washington’s overall emissions profile, based upon the final permit, will be among the lowest that has ever been proposed for a coal-fired power plant in the United States.
For example, preliminary evaluations conducted in the fall of 2007 – before the initial permit application was filed with EPD in January 2008 – placed the maximum annual emission of mercury at approximately 120 pounds; that level was reduced to approximately 105 pounds per year in the draft permit. Depending on the blend of fuel used, Georgia EPD’s final permit will limit Plant Washington’s mercury emissions to between 62.2 and 55.6 pounds annually – roughly half the original mercury emissions levels.
In addition, developers were able to devise an unprecedented water management strategy to conserve and reuse water, reduce water withdrawal from the environment and allow zero discharge of stormwater from the plant site.
To accomplish these water management standards, what had been stormwater runoff retention ponds in the draft permit were converted to stormwater collection and storage ponds. Collected stormwater will be reused at the plant, reducing the use of river water and groundwater. In addition, by using the stormwater as makeup water for the plant, there will be zero discharge of process or contact water to either the Ogeechee or Oconee river basins.
“These permits demonstrate that the process works,” Alford said. “In the months since we received the draft permits, we listened closely to Georgia citizens and the EPD and conducted the engineering work to ensure a much more stringent level of operational and environmental standards. I am pleased to report that we achieved every objective.”
A key component to Power4Georgians’ success in obtaining final permits for Plant Washington from the EPD was its development team. These organizations, each with their own unique expertise, included: Allied Energy Services, BLACKACRE, Cookerly Public Relations, Energy Consulting Group, Fluor Corp., King & Spalding law firm and MACTEC Engineering.
When construction begins, the plant is expected to take approximately four years to build and will create up to 1,600 professional construction and skilled trade jobs. When complete, Plant Washington is expected to create between 120 and 130 new jobs onsite, as well as an additional 200 to 300 new secondary jobs in supporting businesses and industries. The plant will generate enough electricity to meet the annual needs of 500,000 to 700,000 Georgia homes.
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“These permits demonstrate that the process works”
The permits issued by EPD today to Power4Georgians, LLC, include Prevention of Significant Deterioration (PSD) permit for air quality; National Pollutant Discharge Elimination System (NPDES) permit for water discharge; a groundwater withdrawal permit; a surface water withdrawal permit; and a notice of site suitability for the solid waste handling facility.
The permits are the culmination of more than two years of work by Power4Georgians’ development team not only to meet but to exceed Georgia EPD’s rigorous air and water quality standards. Although the air and water standards in Plant Washington’s draft permits, issued by EPD in August 2009, represented standards that are acceptable under the strictest guidelines of the U.S. Environmental Protection Agency, Power4Georgians continued to work to reduce emissions levels further while also developing an unprecedented water management strategy.
“We made significant and positive changes in our application to make our permits among the very best, if not the best, in the country,” said Dean Alford, spokesman for Power4Georgians. “We responded to suggestions raised with regard to air and water and now have exceptional standards that far exceed the strictest federal regulations for protection of human health and the environment.”
Through careful review of more than two-and-a-half years of testing data, as well as an evaluation of the technology and coal types to be used, Power4Georgians was able to devise a strategy that produced significant reductions of the emissions levels contained in the draft permit. As a result, Plant Washington’s overall emissions profile, based upon the final permit, will be among the lowest that has ever been proposed for a coal-fired power plant in the United States.
For example, preliminary evaluations conducted in the fall of 2007 – before the initial permit application was filed with EPD in January 2008 – placed the maximum annual emission of mercury at approximately 120 pounds; that level was reduced to approximately 105 pounds per year in the draft permit. Depending on the blend of fuel used, Georgia EPD’s final permit will limit Plant Washington’s mercury emissions to between 62.2 and 55.6 pounds annually – roughly half the original mercury emissions levels.
In addition, developers were able to devise an unprecedented water management strategy to conserve and reuse water, reduce water withdrawal from the environment and allow zero discharge of stormwater from the plant site.
To accomplish these water management standards, what had been stormwater runoff retention ponds in the draft permit were converted to stormwater collection and storage ponds. Collected stormwater will be reused at the plant, reducing the use of river water and groundwater. In addition, by using the stormwater as makeup water for the plant, there will be zero discharge of process or contact water to either the Ogeechee or Oconee river basins.
“These permits demonstrate that the process works,” Alford said. “In the months since we received the draft permits, we listened closely to Georgia citizens and the EPD and conducted the engineering work to ensure a much more stringent level of operational and environmental standards. I am pleased to report that we achieved every objective.”
A key component to Power4Georgians’ success in obtaining final permits for Plant Washington from the EPD was its development team. These organizations, each with their own unique expertise, included: Allied Energy Services, BLACKACRE, Cookerly Public Relations, Energy Consulting Group, Fluor Corp., King & Spalding law firm and MACTEC Engineering.
When construction begins, the plant is expected to take approximately four years to build and will create up to 1,600 professional construction and skilled trade jobs. When complete, Plant Washington is expected to create between 120 and 130 new jobs onsite, as well as an additional 200 to 300 new secondary jobs in supporting businesses and industries. The plant will generate enough electricity to meet the annual needs of 500,000 to 700,000 Georgia homes.
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Friday, September 18, 2009
Southern Company to Deploy Clean Coal Technology in China
/PRNewswire/ -- Southern Company today announced that China will be the site for the first worldwide commercial implementation of the Transport Integrated Gasification (TRIG(TM)) technology for producing low-emission coal-based electricity.
TRIG is an advanced integrated gasification combined cycle (IGCC) technology that produces electricity with lower emissions than traditional coal power plants. It also is compatible with lower rank coals that are abundant in China.
The technology was developed by Southern Company, KBR Inc., and other partners, including the U.S. Department of Energy, at the DOE's research facility in Wilsonville, Ala., that is managed and operated by Southern Company.
Under the terms of their technology licensing arrangements with KBR Inc., the companies will provide Beijing Guoneng Yinghui Clean Energy Engineering Co., Ltd. with licensing, engineering services and proprietary equipment for the implementation of TRIG technology at a power plant operated by Dongguan Tianming Electric Power Co., Ltd. (Dongguan TMEP) in Guandong Province, Peoples Republic of China.
At the Dongguan TMEP facility, TRIG technology will be added to an existing gas turbine combined cycle plant so that it can use clean synthetic gas from coal as its fuel for generating electricity, rather than fuel oil.
"China's rapid growth vividly demonstrates the global need for advanced technologies to ensure reliable, affordable and cleaner supplies of energy," said Southern Company Chairman, President and CEO David Ratcliffe. "This plant will demonstrate that TRIG offers an effective technological solution to these challenges."
The 120-megawatt Dongguan TMEP plant, expected to begin operation in 2011, would demonstrate an example of advanced U.S. IGCC technology that is being developed in partnership between the DOE and industry. This IGCC technology is compatible with carbon capture, and its deployment in China is an important step toward positioning IGCC for future integration with carbon capture technology.
Ratcliffe also noted that Southern Company subsidiary Mississippi Power currently is seeking regulatory approval to build a 582-megawatt plant using TRIG technology in Kemper County, Miss. That plant would include 65 percent carbon capture and sequestration.
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TRIG is an advanced integrated gasification combined cycle (IGCC) technology that produces electricity with lower emissions than traditional coal power plants. It also is compatible with lower rank coals that are abundant in China.
The technology was developed by Southern Company, KBR Inc., and other partners, including the U.S. Department of Energy, at the DOE's research facility in Wilsonville, Ala., that is managed and operated by Southern Company.
Under the terms of their technology licensing arrangements with KBR Inc., the companies will provide Beijing Guoneng Yinghui Clean Energy Engineering Co., Ltd. with licensing, engineering services and proprietary equipment for the implementation of TRIG technology at a power plant operated by Dongguan Tianming Electric Power Co., Ltd. (Dongguan TMEP) in Guandong Province, Peoples Republic of China.
At the Dongguan TMEP facility, TRIG technology will be added to an existing gas turbine combined cycle plant so that it can use clean synthetic gas from coal as its fuel for generating electricity, rather than fuel oil.
"China's rapid growth vividly demonstrates the global need for advanced technologies to ensure reliable, affordable and cleaner supplies of energy," said Southern Company Chairman, President and CEO David Ratcliffe. "This plant will demonstrate that TRIG offers an effective technological solution to these challenges."
The 120-megawatt Dongguan TMEP plant, expected to begin operation in 2011, would demonstrate an example of advanced U.S. IGCC technology that is being developed in partnership between the DOE and industry. This IGCC technology is compatible with carbon capture, and its deployment in China is an important step toward positioning IGCC for future integration with carbon capture technology.
Ratcliffe also noted that Southern Company subsidiary Mississippi Power currently is seeking regulatory approval to build a 582-megawatt plant using TRIG technology in Kemper County, Miss. That plant would include 65 percent carbon capture and sequestration.
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Tuesday, September 1, 2009
Southern Company Announces New Partner at National Carbon Capture Center
/PRNewswire/ -- Southern Company, the manager and operator of the U.S. Department of Energy's National Carbon Capture Center, announced today that the technology research center has added another partner, NRG Energy, Inc.
Princeton, N.J.-based NRG joins DOE and a group of leading energy companies that are working to develop and test advanced technologies to capture carbon dioxide from coal-based power plants.
The National Carbon Capture Center, located in Wilsonville, Ala., was established earlier this year to work with scientists and technology developers from government, industry and universities who are creating the next generation of enhanced carbon capture technologies.
The center will conduct testing and analyses in a power plant setting, at a size large enough to provide meaningful performance data under real operating conditions to enable scale-up of the technologies.
Other current partners include American Electric Power, Luminant, Arch Coal, Peabody Energy and the Electric Power Research Institute (EPRI). The center expects to add more partners as its work progresses.
"We welcome NRG to the growing partnership at the National Carbon Capture Center," said David Ratcliffe, chairman, president and CEO of Southern Company. "Carbon capture is an important component of the diverse portfolio of technologies our nation must pursue to meet our energy and environmental challenges. NRG's involvement strengthens our effort to develop and deploy these critical solutions."
The National Carbon Capture Center, scheduled to be fully operational in 2010, is expected to be a focal point of national efforts to reduce greenhouse gas emissions through technological innovation.
"As we look to further decarbonize our fleet and push to develop and deploy these advanced technologies on a larger scale, initiatives like the National Carbon Capture Center will bring us closer to meeting the challenges of global climate change and transitioning to an environmentally sustainable energy future," said NRG President and CEO David Crane.
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Princeton, N.J.-based NRG joins DOE and a group of leading energy companies that are working to develop and test advanced technologies to capture carbon dioxide from coal-based power plants.
The National Carbon Capture Center, located in Wilsonville, Ala., was established earlier this year to work with scientists and technology developers from government, industry and universities who are creating the next generation of enhanced carbon capture technologies.
The center will conduct testing and analyses in a power plant setting, at a size large enough to provide meaningful performance data under real operating conditions to enable scale-up of the technologies.
Other current partners include American Electric Power, Luminant, Arch Coal, Peabody Energy and the Electric Power Research Institute (EPRI). The center expects to add more partners as its work progresses.
"We welcome NRG to the growing partnership at the National Carbon Capture Center," said David Ratcliffe, chairman, president and CEO of Southern Company. "Carbon capture is an important component of the diverse portfolio of technologies our nation must pursue to meet our energy and environmental challenges. NRG's involvement strengthens our effort to develop and deploy these critical solutions."
The National Carbon Capture Center, scheduled to be fully operational in 2010, is expected to be a focal point of national efforts to reduce greenhouse gas emissions through technological innovation.
"As we look to further decarbonize our fleet and push to develop and deploy these advanced technologies on a larger scale, initiatives like the National Carbon Capture Center will bring us closer to meeting the challenges of global climate change and transitioning to an environmentally sustainable energy future," said NRG President and CEO David Crane.
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Wednesday, August 26, 2009
Georgia Environmental Protection Division Issues Draft Permits for Plant Washington
(BUSINESS WIRE)--POWER4Georgians yesterday announced that the Georgia Environmental Protection Division (EPD) has issued draft permits for Plant Washington, a 850 megawatt coal-fired power plant being developed near Sandersville, in Washington County, Georgia.
The EPD issued a variety of draft permitting documents related to the 1,600-acre energy facility, including what are considered to be the four primary permits for the plant: the surface water withdrawal permit, the groundwater withdrawal permit, the water discharge permit, and the air permit. POWER4Georgians, a consortium of Georgia electric membership corporations (EMCs), filed the Plant Washington permit applications with the Georgia EPD in January 2008.
“This is an important step in the development of this power plant, which is critical to making sure that affordable and reliable power continues to be available to the citizens of Georgia,” said Dean Alford, spokesperson for POWER4Georgians. “While we recognize there is a lot of work remaining to be done, the draft permits are a very positive indication that Plant Washington is moving forward.”
“Given the economic challenges our state is facing, the jobs created during the construction of this plant will provide a tremendous benefit to Washington County and the surrounding region,” said Alford. “These jobs are part of a more than $2 billion investment in providing affordable energy, which is critical to a productive, competitive state economy. Once operational, Plant Washington could help attract new industry and jobs to Georgia and even help retain existing businesses and jobs because of availability of dependable and affordable electricity.”
Plant Washington will be one of the cleanest coal-fired power plants in the country, generating enough electricity to meet the annual needs of 500,000 to 700,000 Georgia homes.
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The EPD issued a variety of draft permitting documents related to the 1,600-acre energy facility, including what are considered to be the four primary permits for the plant: the surface water withdrawal permit, the groundwater withdrawal permit, the water discharge permit, and the air permit. POWER4Georgians, a consortium of Georgia electric membership corporations (EMCs), filed the Plant Washington permit applications with the Georgia EPD in January 2008.
“This is an important step in the development of this power plant, which is critical to making sure that affordable and reliable power continues to be available to the citizens of Georgia,” said Dean Alford, spokesperson for POWER4Georgians. “While we recognize there is a lot of work remaining to be done, the draft permits are a very positive indication that Plant Washington is moving forward.”
“Given the economic challenges our state is facing, the jobs created during the construction of this plant will provide a tremendous benefit to Washington County and the surrounding region,” said Alford. “These jobs are part of a more than $2 billion investment in providing affordable energy, which is critical to a productive, competitive state economy. Once operational, Plant Washington could help attract new industry and jobs to Georgia and even help retain existing businesses and jobs because of availability of dependable and affordable electricity.”
Plant Washington will be one of the cleanest coal-fired power plants in the country, generating enough electricity to meet the annual needs of 500,000 to 700,000 Georgia homes.
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Friday, December 5, 2008
Plant Washington to Offer Reliable and Affordable Electricity to Citizens of Georgia
(BUSINESS WIRE)--Power4Georgians, a consortium of 10 Georgia EMCs that have partnered to develop a comprehensive strategy to meet demand for affordable and reliable energy in Georgia, today emphasized its position that coal is an essential cornerstone to fulfilling that strategy.
“While we are proponents of viable alternative energy projects such as wind, solar, biomass, etc., none of those options can come close to fulfilling large scale needs in the near future,” said Dean Alford, spokesman for Power4Georgians.
Some opponents of coal have spread misinformation indicating that to build and operate Plant Washington in a safe and environmentally responsible manner is not economically viable. There are many flaws in their argument; specifically they claim that the prices for materials used in construction are escalating rapidly, which is not true. Steel for instance has declined from its July price of $1,000 per ton to about $500 per ton today. Perhaps most significant are opponent claims that the cost of coal continues to rise when the reality is, coal has declined approximately 40% since July.
“It is ludicrous to believe that we would move forward with Plant Washington if we weren’t certain that it was economically viable,” said Dean Alford, spokesman for Power4Georgians. “I can assure you, nobody is more cognizant of cost than the co-ops involved in this project.”
To be built and operated near Sandersville in Washington County, Georgia, the plant will provide an enormous economic boost for the region and indeed the entire state. Capital investment is expected to be approximately $2.1 billion. For comparison sake, the much publicized Kia manufacturing plant in west-central Georgia represents an investment of $1.2 billion.
Plant Washington will create more than 1,400 jobs during the construction phase of the project and approximately 130 full time jobs when the plant is placed into operation. In addition, 300 support jobs in ancillary businesses will be created in the region when the plant opens.
“This is a perfect example of a project that will provide great benefit to the people of Georgia at a time when it is needed most,” Alford said.
With Georgia’s rapidly growing population - and even with Plant Washington contributing 850 Megawatts to the state’s power grid - consumption of electricity will outstrip supply within the next decade unless new generation facilities are built and placed into operation.
“Power4Georgians believes in an ‘all in’ strategy which means we fully support solar, wind, biomass, nuclear and coal generation facilities. Georgia needs every bit of electricity that can be generated if we are to assure that when the switch is flipped, the lights come on now and for years to come,” Alford concluded.
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“While we are proponents of viable alternative energy projects such as wind, solar, biomass, etc., none of those options can come close to fulfilling large scale needs in the near future,” said Dean Alford, spokesman for Power4Georgians.
Some opponents of coal have spread misinformation indicating that to build and operate Plant Washington in a safe and environmentally responsible manner is not economically viable. There are many flaws in their argument; specifically they claim that the prices for materials used in construction are escalating rapidly, which is not true. Steel for instance has declined from its July price of $1,000 per ton to about $500 per ton today. Perhaps most significant are opponent claims that the cost of coal continues to rise when the reality is, coal has declined approximately 40% since July.
“It is ludicrous to believe that we would move forward with Plant Washington if we weren’t certain that it was economically viable,” said Dean Alford, spokesman for Power4Georgians. “I can assure you, nobody is more cognizant of cost than the co-ops involved in this project.”
To be built and operated near Sandersville in Washington County, Georgia, the plant will provide an enormous economic boost for the region and indeed the entire state. Capital investment is expected to be approximately $2.1 billion. For comparison sake, the much publicized Kia manufacturing plant in west-central Georgia represents an investment of $1.2 billion.
Plant Washington will create more than 1,400 jobs during the construction phase of the project and approximately 130 full time jobs when the plant is placed into operation. In addition, 300 support jobs in ancillary businesses will be created in the region when the plant opens.
“This is a perfect example of a project that will provide great benefit to the people of Georgia at a time when it is needed most,” Alford said.
With Georgia’s rapidly growing population - and even with Plant Washington contributing 850 Megawatts to the state’s power grid - consumption of electricity will outstrip supply within the next decade unless new generation facilities are built and placed into operation.
“Power4Georgians believes in an ‘all in’ strategy which means we fully support solar, wind, biomass, nuclear and coal generation facilities. Georgia needs every bit of electricity that can be generated if we are to assure that when the switch is flipped, the lights come on now and for years to come,” Alford concluded.
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Wednesday, November 26, 2008
Strong and Lightweight Material Provides New Use for Coal Ash
Each year, coal-burning power plants, steel factories and similar facilities in the United States produce more than 125 million tons of waste, much of it fly ash and bottom ash left over from combustion. Mulalo Doyoyo has plans for that material.
An assistant professor in Georgia Tech’s School of Civil and Environmental Engineering, Doyoyo has developed a new structural material based on these leftovers from coal burning. Known as Cenocell, the material offers attributes that include high strength and light weight – without the use of cement, an essential ingredient of conventional concrete.
With broad potential applications and advantages such as good insulating properties and fire resistance, the “green” material could replace concrete, wood and other materials in a broad range of applications in construction, transportation and even aerospace.
“Dealing with the ash left over from burning coal is a problem all over the world,” said Doyoyo. “By using it for real applications, our process can make the ash a useful commodity instead of a waste product. It could also create new industry and new jobs in parts of the world that need them badly.”
Fly ash is composed of small particles removed from combustion gases by pollution control systems. Most of it must now be disposed of as a waste product, though certain types of fly ash can be used to replace a portion of the cement used in conventional concrete.
Cenocell, produced from either fly ash or bottom ash in a reaction with organic chemicals, requires none of the cement or aggregate – sand and rock – used in concrete. And unlike concrete, it emerges from curing ovens in final form and does not require a lengthy period to reach full strength.
“This is a new material very different from concrete,” Doyoyo said.
Because it uses what is now considered a waste material to replace cement – which generates carbon dioxide, a greenhouse gas – the new material is considered an asset to the environment. The material can have a wide range of properties that make it competitive with concrete, especially the new classes of autoclaved lightweight concrete.
For instance, specific densities range from 0.3 to 1.6, and the material can be manufactured to withstand pressures of up to 7,000 pounds per cubic inch. The properties can be controlled by choosing the proper ash particles size, chemical composition, and the curing time, which can range from three to 24 hours.
“We have a wide range in terms of texture, properties, performance and applications,” said Doyoyo. “The possibilities for this material are very broad.”
Among the potential applications for the material are:
Building and construction industry – infrastructure materials that provide sound, crash and fire barriers; permeable pavements; drainage fillers; ultra-light truss stiffeners, foam, wood and concrete replacements in residential and commercial buildings; and acoustical tiles. Cenocell is lighter than most “lightweight” concrete, and lightweight versions can be machined and cut with standard band saws.
Transportation industry – cores for shock and crash absorbers; fillers for trailer floors or b-pillars in vehicle frames.
Aerospace industry – ultra-light heat shielding.
Protective installations – fireproof blast walls or structural fillers for hazardous fluids.
Though for competitive reasons he won’t disclose the precise chemical composition of Cenocell, Doyoyo says the processing involves mixing the ash with organic chemicals. The chemical reaction produces foaming, and results in a gray slurry that resembles bread dough. The material is then placed in forms and cured in ovens at approximately 100 degrees Celsius until the desired strength is attained.
“We form a final compound through a combination of chemical and mechanical processes,” Doyoyo explained. “Once it comes out of our process, it is ready to go and does not continue to change over time.”
Unlike concrete, which remains a mixture of materials held together by chemical bonds, Cenocell is a homogenous material. The cell sizes and final strength depend on both the curing time and size of the ash particles used. Estimates suggest the material could be manufactured for an average cost of $50 per cubic yard.
Doyoyo and his research team – which also includes Paul Biju-Duvall, Julien Claus, Dereck Major, Rolan Duvvury and Josh Gresham – have so far made only small samples for testing. They are working with a Georgia-based maker of autoclaved concrete to produce larger samples for additional testing. Large-scale manufacturing could be done with the same equipment now used to make autoclaved concrete, he says.
Doyoyo will present information about the material at the inception workshop of the Resource-Driven Technology Concept Center in South Africa (RETECZA) December 1-3, 2008, and at the World of Coal Ash meeting May 4-7, 2009.
“We are focusing a lot on the construction industry,” Doyoyo said. “When this material is used to build a structure, it will save a lot of energy for heating and air conditioning because of its good insulating properties.”
A native of South Africa who was educated at the University of Cape Town, Brown University and Massachusetts Institute of Technology, Doyoyo sees value beyond the re-use of a waste material. He believes Cenocell could provide low-cost housing in developing countries and economic development impact from a new industry.
“This material could help develop communities by allowing people living near coal-burning facilities to create a new industry and new jobs,” he said. “This could be an engine of development for people who have been struggling. It really is a material with a social conscience.”
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An assistant professor in Georgia Tech’s School of Civil and Environmental Engineering, Doyoyo has developed a new structural material based on these leftovers from coal burning. Known as Cenocell, the material offers attributes that include high strength and light weight – without the use of cement, an essential ingredient of conventional concrete.
With broad potential applications and advantages such as good insulating properties and fire resistance, the “green” material could replace concrete, wood and other materials in a broad range of applications in construction, transportation and even aerospace.
“Dealing with the ash left over from burning coal is a problem all over the world,” said Doyoyo. “By using it for real applications, our process can make the ash a useful commodity instead of a waste product. It could also create new industry and new jobs in parts of the world that need them badly.”
Fly ash is composed of small particles removed from combustion gases by pollution control systems. Most of it must now be disposed of as a waste product, though certain types of fly ash can be used to replace a portion of the cement used in conventional concrete.
Cenocell, produced from either fly ash or bottom ash in a reaction with organic chemicals, requires none of the cement or aggregate – sand and rock – used in concrete. And unlike concrete, it emerges from curing ovens in final form and does not require a lengthy period to reach full strength.
“This is a new material very different from concrete,” Doyoyo said.
Because it uses what is now considered a waste material to replace cement – which generates carbon dioxide, a greenhouse gas – the new material is considered an asset to the environment. The material can have a wide range of properties that make it competitive with concrete, especially the new classes of autoclaved lightweight concrete.
For instance, specific densities range from 0.3 to 1.6, and the material can be manufactured to withstand pressures of up to 7,000 pounds per cubic inch. The properties can be controlled by choosing the proper ash particles size, chemical composition, and the curing time, which can range from three to 24 hours.
“We have a wide range in terms of texture, properties, performance and applications,” said Doyoyo. “The possibilities for this material are very broad.”
Among the potential applications for the material are:
Building and construction industry – infrastructure materials that provide sound, crash and fire barriers; permeable pavements; drainage fillers; ultra-light truss stiffeners, foam, wood and concrete replacements in residential and commercial buildings; and acoustical tiles. Cenocell is lighter than most “lightweight” concrete, and lightweight versions can be machined and cut with standard band saws.
Transportation industry – cores for shock and crash absorbers; fillers for trailer floors or b-pillars in vehicle frames.
Aerospace industry – ultra-light heat shielding.
Protective installations – fireproof blast walls or structural fillers for hazardous fluids.
Though for competitive reasons he won’t disclose the precise chemical composition of Cenocell, Doyoyo says the processing involves mixing the ash with organic chemicals. The chemical reaction produces foaming, and results in a gray slurry that resembles bread dough. The material is then placed in forms and cured in ovens at approximately 100 degrees Celsius until the desired strength is attained.
“We form a final compound through a combination of chemical and mechanical processes,” Doyoyo explained. “Once it comes out of our process, it is ready to go and does not continue to change over time.”
Unlike concrete, which remains a mixture of materials held together by chemical bonds, Cenocell is a homogenous material. The cell sizes and final strength depend on both the curing time and size of the ash particles used. Estimates suggest the material could be manufactured for an average cost of $50 per cubic yard.
Doyoyo and his research team – which also includes Paul Biju-Duvall, Julien Claus, Dereck Major, Rolan Duvvury and Josh Gresham – have so far made only small samples for testing. They are working with a Georgia-based maker of autoclaved concrete to produce larger samples for additional testing. Large-scale manufacturing could be done with the same equipment now used to make autoclaved concrete, he says.
Doyoyo will present information about the material at the inception workshop of the Resource-Driven Technology Concept Center in South Africa (RETECZA) December 1-3, 2008, and at the World of Coal Ash meeting May 4-7, 2009.
“We are focusing a lot on the construction industry,” Doyoyo said. “When this material is used to build a structure, it will save a lot of energy for heating and air conditioning because of its good insulating properties.”
A native of South Africa who was educated at the University of Cape Town, Brown University and Massachusetts Institute of Technology, Doyoyo sees value beyond the re-use of a waste material. He believes Cenocell could provide low-cost housing in developing countries and economic development impact from a new industry.
“This material could help develop communities by allowing people living near coal-burning facilities to create a new industry and new jobs,” he said. “This could be an engine of development for people who have been struggling. It really is a material with a social conscience.”
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Friday, November 14, 2008
Cleaner Coal Technology Key to the World’s Energy Future
(BUSINESS WIRE)--GE Energy and the University of Wyoming today announced an agreement to further cleaner coal technology, making coal-fired power generation more viable in America. Under the agreement, GE and the university will develop the High Plains Gasification Advanced Technology Center to accelerate the commercial use of cleaner coal technology.
In the United States, coal supplies more than 50 percent of the country’s current electricity generation and it plays an important role in meeting the nation’s energy needs. Coal is an abundant, low-cost, domestic, natural resource that continues to be a significant part of America’s energy mix.
Wyoming is uniquely positioned in the nation’s energy landscape and has vast coal resources capable of supporting a substantial portion of the nation’s energy needs. The state produces approximately 40 percent of all of the coal used in the United States to generate electricity.
The new center will include a small-scale gasification system that will enable researchers from GE and the university to develop advanced gasification solutions for Powder River Basin and other Wyoming coals. The research is expected to expand the range of coals that can be used with GE’s integrated gasification combined-cycle (IGCC) technology for power plants. The facility is expected to be operational by 2012.
To create a path forward for coal, future climate change policy will be needed to incentivize the deployment of already-available low carbon technology and to foster further improvements that will bring down the cost of carbon capture and sequestration.
“This project underscores the commitment of both the University of Wyoming and GE to work toward U.S. energy independence and plan for future energy needs,” said Steve Bolze, president and CEO of GE Energy’s Power & Water business. “We believe that our country’s energy and environmental policies should promote a balance of available, reliable, cleaner and low-cost energy. The use of cleaner coal technology helps create jobs, support economic growth and positively impacts the environment.”
GE is a world leader in IGCC technology and has been at the forefront of IGCC technology since the Coolwater project, a 120 MW technical demonstration IGCC project started in 1984. GE's IGCC technology also has operated at the 250 MW TECO Polk I station in Florida for more than 12 years. Today, GE offers a 630 MW IGCC reference plant that produces 75 percent less SOx, 33 percent less NOx, 40 percent less particulate matter, uses 30 percent less water and offers 90 percent mercury capture, compared to a traditional pulverized coal plant.
In addition to providing a cleaner alternative for power generation, IGCC is well-suited for carbon capture. Carbon capture technology is in use in GE’s industrial gasification applications around the world today. IGCC technology will offer cost and efficiency advantages for carbon capture and storage, once clear policies and regulations are in place to support storage and an economically viable value is established for carbon.
Although IGCC technology is relatively new, gasification is more than a century old. The process uses pressure, heat and steam to convert carbon-based materials like coal into a synthesis gas (syngas) that has a variety of uses including the production of chemicals or fertilizers and power generation.
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In the United States, coal supplies more than 50 percent of the country’s current electricity generation and it plays an important role in meeting the nation’s energy needs. Coal is an abundant, low-cost, domestic, natural resource that continues to be a significant part of America’s energy mix.
Wyoming is uniquely positioned in the nation’s energy landscape and has vast coal resources capable of supporting a substantial portion of the nation’s energy needs. The state produces approximately 40 percent of all of the coal used in the United States to generate electricity.
The new center will include a small-scale gasification system that will enable researchers from GE and the university to develop advanced gasification solutions for Powder River Basin and other Wyoming coals. The research is expected to expand the range of coals that can be used with GE’s integrated gasification combined-cycle (IGCC) technology for power plants. The facility is expected to be operational by 2012.
To create a path forward for coal, future climate change policy will be needed to incentivize the deployment of already-available low carbon technology and to foster further improvements that will bring down the cost of carbon capture and sequestration.
“This project underscores the commitment of both the University of Wyoming and GE to work toward U.S. energy independence and plan for future energy needs,” said Steve Bolze, president and CEO of GE Energy’s Power & Water business. “We believe that our country’s energy and environmental policies should promote a balance of available, reliable, cleaner and low-cost energy. The use of cleaner coal technology helps create jobs, support economic growth and positively impacts the environment.”
GE is a world leader in IGCC technology and has been at the forefront of IGCC technology since the Coolwater project, a 120 MW technical demonstration IGCC project started in 1984. GE's IGCC technology also has operated at the 250 MW TECO Polk I station in Florida for more than 12 years. Today, GE offers a 630 MW IGCC reference plant that produces 75 percent less SOx, 33 percent less NOx, 40 percent less particulate matter, uses 30 percent less water and offers 90 percent mercury capture, compared to a traditional pulverized coal plant.
In addition to providing a cleaner alternative for power generation, IGCC is well-suited for carbon capture. Carbon capture technology is in use in GE’s industrial gasification applications around the world today. IGCC technology will offer cost and efficiency advantages for carbon capture and storage, once clear policies and regulations are in place to support storage and an economically viable value is established for carbon.
Although IGCC technology is relatively new, gasification is more than a century old. The process uses pressure, heat and steam to convert carbon-based materials like coal into a synthesis gas (syngas) that has a variety of uses including the production of chemicals or fertilizers and power generation.
-----
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Monday, November 10, 2008
The Brattle Group Projects $1.5 to $2.0 Trillion Investment Needed in the U.S. Electric Utility Industry by 2030
PRNewswire/ -- The U.S. utility industry will have to invest between $1.5 and $2.0 trillion between 2010 and 2030 to maintain current levels of reliable energy service for customers throughout the country, according to a new report issued today by The Brattle Group. The findings are detailed in "Transforming America's Power Industry: The Investment Challenge 2010-2030," presented today by Peter Fox-Penner, a principal of The Brattle Group, at the Edison Electric Institute's 43rd Financial Conference. The report was sponsored by the Edison Foundation.
"This study highlights the investment challenges confronting the power industry in the coming decades," said Dr. Fox-Penner. "The industry is facing enormous investment needs during a period of modest growth, high costs, and very substantial policy shifts," he explained.
All types of new generation capacity will be needed, including natural gas, coal, nuclear, and renewables. Nearly 40 gigawatts of new renewable capacity will be needed just to meet state requirements. Significantly, capital spending to upgrade distribution and transmission facilities nationwide may surpass investment in new generation, the study found. Spending on "smart grid" technologies to ramp up efficiency -- along with new power lines to integrate renewable electricity sources -- will account for much of that spending.
"The good news is that as a result of this very significant investment, our economy and utility customers will get more efficiency and control over their electricity use, lower-carbon generation, and a higher-technology, more resilient and reliable electric grid," Dr. Fox-Penner said.
The report, which follows highly publicized preliminary results introduced in April 2008 at an Edison Foundation conference, analyzes four possible scenarios that measure the impact of energy efficiency and demand response program implementation on investment needs and new plant construction. In the base case scenario, which does not account for new climate policies, the total investment needs are projected to reach $1.5 trillion. Implementation of a federal carbon policy would significantly increase the capital cost and change the mix of new generation capacity; for instance, a simplified model of one scenario with carbon controls would require an increase in total capital spending to $2 trillion.
Another key finding in the study is a large potential reduction in the need for new generation capacity, due to the faster than previously estimated implementation of energy efficiency and demand response programs. In the preliminary results, energy efficiency was estimated to potentially reduce new capacity by 17%. In the final results, the potential reduction in new capacity is projected to be approximately 38%. However, reductions in new required capacity will not correlate to an equal reduction in total investment due to the offsetting costs of implementing the efficiency programs.
"It is important to emphasize that while energy efficiency and demand response programs can significantly reduce the need for new generation capacity, they cannot eliminate the need for new power plants," Dr. Fox-Penner observed.
Marc Chupka and Robert Earle, principals of The Brattle Group, directed the study which is available at www.brattle.com and www.edisonfoundation.net.
The Brattle Group provides consulting services and expert testimony in economics and finance to corporations, law firms, and public agencies worldwide. Areas of expertise include antitrust and competition; electric power, natural gas, and petroleum; valuation and damages; and regulation and planning in network industries. For more information, visit www.brattle.com.
The Washington-based Edison Foundation is dedicated to bringing the benefits of electricity to families, businesses, and industries worldwide.
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"This study highlights the investment challenges confronting the power industry in the coming decades," said Dr. Fox-Penner. "The industry is facing enormous investment needs during a period of modest growth, high costs, and very substantial policy shifts," he explained.
All types of new generation capacity will be needed, including natural gas, coal, nuclear, and renewables. Nearly 40 gigawatts of new renewable capacity will be needed just to meet state requirements. Significantly, capital spending to upgrade distribution and transmission facilities nationwide may surpass investment in new generation, the study found. Spending on "smart grid" technologies to ramp up efficiency -- along with new power lines to integrate renewable electricity sources -- will account for much of that spending.
"The good news is that as a result of this very significant investment, our economy and utility customers will get more efficiency and control over their electricity use, lower-carbon generation, and a higher-technology, more resilient and reliable electric grid," Dr. Fox-Penner said.
The report, which follows highly publicized preliminary results introduced in April 2008 at an Edison Foundation conference, analyzes four possible scenarios that measure the impact of energy efficiency and demand response program implementation on investment needs and new plant construction. In the base case scenario, which does not account for new climate policies, the total investment needs are projected to reach $1.5 trillion. Implementation of a federal carbon policy would significantly increase the capital cost and change the mix of new generation capacity; for instance, a simplified model of one scenario with carbon controls would require an increase in total capital spending to $2 trillion.
Another key finding in the study is a large potential reduction in the need for new generation capacity, due to the faster than previously estimated implementation of energy efficiency and demand response programs. In the preliminary results, energy efficiency was estimated to potentially reduce new capacity by 17%. In the final results, the potential reduction in new capacity is projected to be approximately 38%. However, reductions in new required capacity will not correlate to an equal reduction in total investment due to the offsetting costs of implementing the efficiency programs.
"It is important to emphasize that while energy efficiency and demand response programs can significantly reduce the need for new generation capacity, they cannot eliminate the need for new power plants," Dr. Fox-Penner observed.
Marc Chupka and Robert Earle, principals of The Brattle Group, directed the study which is available at www.brattle.com and www.edisonfoundation.net.
The Brattle Group provides consulting services and expert testimony in economics and finance to corporations, law firms, and public agencies worldwide. Areas of expertise include antitrust and competition; electric power, natural gas, and petroleum; valuation and damages; and regulation and planning in network industries. For more information, visit www.brattle.com.
The Washington-based Edison Foundation is dedicated to bringing the benefits of electricity to families, businesses, and industries worldwide.
-----
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Friday, August 22, 2008
Georgia Power Seeks Approval for Coal Plant Conversion to Biomass
PRNewswire/ -- Georgia Power today asked the Georgia Public Service Commission (PSC) for approval to convert coal-fueled Plant Mitchell to renewable wood biomass.
Upon conversion, Plant Mitchell - near Albany - would be capable of producing 96 megawatts of renewable energy - or enough electricity to power 60,000 homes. The plant would have lower emissions, and would be one of the largest wood biomass plants in the United States. It would also have lower fuel and operating costs when compared to continued operation using coal, thereby making the plant more cost-effective for customers.
Surplus wood fuel for Plant Mitchell would come from suppliers operating within an approximately 100-mile radius of the plant.
"Georgia Power is taking an important step toward continued diversification of its fuel sources and making renewable energy more affordable for customers," said Mike Garrett, Georgia Power president and CEO. "By converting Plant Mitchell to biomass, we hope to not only help grow the renewable resource base in Georgia but also to expand the market for renewable energy credits, which ultimately will foster additional renewable energy development."
Renewable energy credits are created when a renewable energy facility generates electricity or uses renewable fuel. The PSC is expected to rule on the proposal to convert Plant Mitchell to biomass by spring of 2009. Retrofit construction would begin by spring of 2011 and the biomass plant would likely begin operations in June 2012.
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