Coal -
fired generation technology is mature, relatively low cost, and widely available.
However, it assumes cleaner, but pricier, coal -
fired generation technology in the future (IGCC, supercritical), which is an implicit tip of the hat to climate issues.
Not exact matches
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Unfortunately, around half of the new coal -
fired generation capacity under development in the region still uses inefficient subcritical
technologies.
All told, utilities have canceled 14,000 megawatts of planned coal -
fired generation and delayed an additional 32,000 megawatts, according to the latest survey by the U.S. Department of Energy's (DOE) National Energy
Technology Laboratory (NETL) in Pittsburgh.
«How to prevent
fires in next -
generation lithium batteries: Adding chemicals could make future battery
technology safer.»
General Electric (GE), a world leader in industrial power
generation technology and the world's largest supplier of gas turbines, considers gas -
fired power
generation a key growth sector of its business and a practical step toward reducing global greenhouse gas emissions.
Does it makes sense to replace old coal -
fired power plants with new natural gas power plants today, as a bridge to a longer - term transition toward near zero - emission energy
generation technologies such as solar, wind, or nuclear power?
Build before Memory Runs Out Although individual consumer actions can help, major changes in carbon output will likely require better electricity -
generation technologies, retiring much of the coal -
fired capacity and replacing it with the most cost - effective combination of modern reactors, renewables and even clean coal.
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All engines in the next -
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technology that continuously adjusts the number of cylinders
firing — down to two — in various combinations based on performance needs.
All engines in the next -
generation Silverado and Sierra pickups — which are expected to go into production in the third quarter — feature GM's Active Fuel Management system that can operate in two different cylinder modes or its new Dynamic Fuel Management
technology that continuously adjusts the number of cylinders
firing — down to two — between 17 modes based on performance needs.
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Given that a coal -
fired electricity
generation plant produces about 1 ton of carbon dioxide per megawatt hour, Borenstein estimated that the price of greenhouse gas reductions would have to range from about $ 150 to $ 500 per ton of greenhouse gases to make the current solar PV
technology a worthwhile investment when greenhouse gas reductions are considered.
So what kind of electric
generation technology could end up cheaper than coal -
fired generation is today?
In OECD countries, and especially in many emerging economies, where coal -
fired power
generation is set to expand in the near future, new - build coal ‑
fired power units should aim for best available efficiencies (currently, through application of supercritical or ultra-supercritical
technologies), where feasible, and be designed in view of potential future CCS retrofits, if they are not equipped initially with CCS.
The increasing use of coal for power
generation in ASEAN countries will lead to widespread construction of coal -
fired power plants, which, without the use of the best available cleaner coal
technology (CCT), would result in increased greenhouse gas and carbon dioxide emissions.
When breakthrough
technologies for the capture and storage of carbon dioxide are commercially deployed and demonstrated to be effective, coal -
fired electricity will strengthen its leading role in new electricity
generation both in the United States and, perhaps more importantly, around the globe — especially in regions that desperately need a secure and plentiful source of affordable electricity.»
There was no mention of carbon capture
technology in the RFI, something the administration has previously touted as a way to help coal -
fired power
generation remain viable, and which has bipartisan support in Congress.
In recent years, the drop in natural gas prices, coupled with highly efficient natural gas -
fired combined - cycle
technology, made natural gas an attractive choice to serve baseload demand previously met by coal -
fired generation.
Technically this photo is rubbish but something about it aesthetically apeals to me, and it showed a
technology that was fast coming to an end; coal
fired power
generation.
«Particularly,» Mr. Tanaka added, «since coal -
fired power
generation technologies with efficiencies close to 45 % are already operating in certain locations.
Japan, led by Hitachi Power, has developed ultra-supercritical pressure coal -
fired power
generation technologies, which convert more of the energy in coal into power, slash pollution and reduce carbon emissions.
Fossil fuel -
fired power
generation IEA identifies proven
technology available today to significantly reduce CO2 emissions 23 October 2007
While annual investment in fossil fuel extraction, transformation, and transportation and fossil ‐
fired power plants without CCS is estimated to decline by about 86 billion USD per year in 2010 2029 (i.e., by 20 %), annual investment in low ‐ emission
generation technologies is expected to increase by about 147 billion USD per year (i.e., by 100 %), over the same period.
The competitiveness of conventional coal -
fired electricity
generation relative to other
technologies diminishes as the stringency of an emissions cap increases.
Impacts of a climate policy on coal use will depend upon the type of climate policy employed, the stringency of the policy, the future price of natural gas, the future cost and penetration of nuclear and renewable
technologies, and the cost of coal -
fired generation with carbon capture and storage
technologies.
Studies of the «external costs» of coal have identified coal -
fired power
generation as among the most environmentally destructive industrial
technologies.
However, a substantial tax might also bring about the widespread introduction of carbon capture and storage
technology, which might enable a new wave of investment in coal -
fired generation.
In addition, entities from Thailand have joined a number of IEA
Technology Collaboration Programmes, focusing on renewables (Photovoltaic Power Systems), coal -
fired power
generation (the Clean Coal Centre) and transport (Advanced Motor Fuels).
That means that renewables will not be displacing old inefficient fossil -
fired generation but the latest and most efficient fossil
technology.
Other provisions in the act — such as tax incentives that encourage the adoption of energy - efficient
technologies, a shift to more combined heat and power
generation, and the adoption of real - time pricing of electricity (a measure that will discourage optional electricity use during peak demand periods)-- would cut electricity demand enough to avoid building an additional 37 coal -
fired power plants.
It would be an exceptionally useful experiment in managing the adoption of renewable energy
technologies to isolate California from all external sources of fossil, nuclear, and hydropower
generation and to rely instead upon solar and wind backed by a combination of grid - scale energy storage facilities and gas -
fired backup
generation capacity.
What smaller projects would the USDOE decide to fund?With the high tech, integrated projects temporarily sidelined, everyone was left to wonder which cost - effective
technologies would emerge for existing (non-gasification) coal -
fired electricity
generation facilities.
Vattenfall, Sweden's state - owned power utility has embraced the
technology and has opened a pilot plant in Germany, where it runs a number of coal -
fired plants - 64 percent of its
generation is from brown coal in Germany, just one percent from renewables (and it has zero coal -
fired plants in Sweden).
But if we all understand that we should only talk about the lower cost of coal -
fired generation with CCS included, then we can more clearly see which
technologies are sustainable.
Now I'm not spouting off about this just because I'm unwilling to accept any type of power
generation that pollutes as much as coal (complacency can not be accepted, nor should it be tolerated with so much clean energy
technology at our fingertips), but rather to draw your attention to an issue that will continue to be a major thorn in the side of those that champion coal -
fired power
generation.
National Energy
Technology Laboratory, Tracking New Coal -
Fired Power Plants: Coal's Resurgence in Electric Power
Generation (Pittsburgh, PA: U.S. Department of Energy, 1 May 2007).