Many of the three billion people who do not have electricity would now have had it, saving many additional fatalities per year (not included in the number I gave previously which was only for replacing
coal generation with nuclear generation).
«With increasing shale gas fracking and many countries» interest in displacing
coal generation with natural gas due to the lower greenhouse gas emissions, natural gas use seems well poised to grow,» the report states.
Not exact matches
With appreciation for MidAmerican's recent investments in renewable
generation,
coal - burning plants continue to create liabilities.
The walls are of concrete block
with a high content of fly ash, a waste product of
coal - fired electric power
generation that can be recycled as a replacement for portland cement.
The region
with the highest growth rate in
coal use in the IEA outlook period is in Southeast Asia, where Indonesia, Viet Nam, Malaysia and Philippines among others plan to underpin their power
generation with new
coal power plants.
When operational
with CO2 capture, the
coal plant will have an emissions profile similar to that of natural gas, a first in power
generation.
Yet John Thompson, director of the fossil transition project at the Clean Air Task Force, said Kemper still could open the door for CO2 capture
with countries like Poland and India
with low - rank
coals, by lowering costs for the second
generation of plants.
For the
coal system, the study estimates the toxicity associated
with air pollutants emitted during power
generation, as well as toxic chemical releases during the
coal - mining process from acid - mine drainage and
coal - ash impoundment.
Stricter emissions requirements on
coal - fired power plants, together
with low natural gas prices, have contributed to a recent decline in the use of
coal for electricity
generation in the United States, she said.
With coal prices falling and natural gas prices rising, the EIA says coal's share of U.S. power generation in the first four months of 2013 averaged 39.5 percent, compared with 35.4 percent in the same period last y
With coal prices falling and natural gas prices rising, the EIA says
coal's share of U.S. power
generation in the first four months of 2013 averaged 39.5 percent, compared
with 35.4 percent in the same period last y
with 35.4 percent in the same period last year.
The findings show the nation can cut carbon pollution from power plants in a cost - effective way, by replacing
coal - fired
generation with cleaner options like wind, solar, and natural gas.
It's a start, but pales in comparison
with the impact of three planned
coal - fired power stations
with a combined
generation of 1650 megawatts.
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?
But the $ 1 target would enable solar to compete without subsidies
with new
generation from any source, including
coal boilers.
As the two investors explained their plan, Schrag grew increasingly excited: They had come up
with a breakthrough in clean -
coal power
generation that just might work.
However, as the UK has shifted focus from
coal - and oil - fired electricity
generation to being more reliant on natural gas as the fuel of choice (irrespective of wind, solar, nuclear and other alternatives), this makes the electricity grid somewhat vulnerable to accidental and incidental problems
with the flow of data and to malicious manipulation for the sake of sabotage, criminal or online military / terrorist action.
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.
«Together, international energy trade and strategic siting can enable African countries to pursue «no - regrets» wind and solar that can compete
with conventional
generation technologies like
coal and hydropower,» Wu said.
Currently, India produces about 201 gigawatts of power,
with more than half of its electricity
generation coming from
coal.
With nearly 900 billion tons of reserves,
coal power remains an integral part of today's energy mix that includes renewables as well as gas power
generation.
«The leadership shown by Alberta's government to replace two - thirds of existing
coal - fired electricity
generation capacity
with renewable energy will greatly help the province in achieving its ambitious climate change objectives,» adds Hornung.
Alberta is phasing out all pollution from
coal - fired electricity
generation (6,300 MW) by 2030 and renewable energy — mostly wind — will replace two thirds of it
with renewable energy; expected to drive development of at least 4,000 MW of new wind energy capacity.
For
generations, the people of Britain heated their homes and fueled their stoves
with coal gas.
We will seek to avoid the following: • Bonds that finance projects
with substantial sustainability concerns such as first -
generation biofuels, waste - to - energy plants using toxic substances, or projects that prolong fossil fuel dependence such as refurbishment of
coal power plants.
For this reason many Modernists of the postwar
generation felt that they were the most important bulwark against totalitarianism, the «canary in the
coal mine», whose repression by a government or other group
with supposed authority represented a warning that individual liberties were being threatened.
(
With additional increases due to additional
coal generation.)
I myself have been accused of being a paid shill for the
coal industry, because I argued that rapidly deploying solar and wind energy technologies, along
with efficiency and smart grid technologies, is a much faster and much more cost effective way of reducing GHG emissions from electricity
generation than building new nuclear power plants.
If I understand the above calculation correctly, it would seem that, in the electricity sector, we could mostly concentrate on meeting additional demand
with efficiency and carbon neutral
generation (and avoid some of the fights associated
with replacing existing
coal generation plants); but if we need to reduce emissions by 80 % by 2050, then I am not sure whether this makes sense.
«The suggestion that
coal utilization for electricity
generation can be equated
with the systematic extermination of European Jewry is both repellant and preposterous» Mr. Naasz wrote.
The decline in the United States has mainly been due to market forces shifting electricity
generation from
coal to abundant and cheaper natural gas, along
with environmental regulations built around the traditional basket of pollutants that even conservatives agreed were worth restricting.
It seems to me that instead of putting efforts into restricting
coal use in the third world, the efforts would be better spent on methods to encourage R&D to reduce the cost of cleaner energy
generation to be competitive
with coal.
This could provide a way to continue to use
coal and natural gas for power
generation with reduced emissions, an 80 to 90 % cut according to your link.
With coal, the plants are cheap to build, the
coal is cheap to mine, and a «natural monopoly» system of electricity
generation and distribution helps lock out any renewable competition, leading to further economic advantages over renewables.
I was trying to estimate the mining footprints of solar and nuclear, and came up
with some very tentative rough estimates that ore input for solar energy might have an energy density (per unit mass) ~ 5 to 80 times
coal, while nuclear (convential US fuel cycle) may be ~ 20 times
coal — on the solar side, this doesn't include some balance of system components, and on the nuclear side, it only includes the U, but on the solar side, the actual energy density could get much higher
with recycling of the same material into multiple successive
generations of solar energy devices, and on the nuclear side, breeder reactors.
From what I've read, those who've tried to do this show the hybrid coming out ahead even
with a 100 %
coal generation, and much better given the current generating mix.
It examines questions about the safety and costs of nuclear power relative to
coal and other choices for electricity
generation, along
with the risk of proliferation of nuclear weapons and emissions of greenhouse gases relative to other energy sources.
Imagine trying to get
coal usage for electric power
generation cut when the roads are filled
with plug - in SUVs.
To name two instances, in the «clean» USA, there are tens of thousands of asthma cases annually which are exacerbated by particulates from transport and power
generation (much associated
with coal - powered thermal
generation plants).
The third item should be a realistic plan to replace current
coal - fired
generation with wind and solar.
Given the near - term and enduring benefits of electric power expansion in developing countries, the other long - term effect of expanded
coal - powered
generation is accrued wealth and economic growth (along
with health costs if they are dirty plants, of course).
A cogent piece on
coal, and I'm entirely sympathetic to the points you make,
with the exception of your claim that it's meaningless for our
generation to pick a number.
There are several dozen other countries investing in next -
generation nuclear technologies (along
with things like renewables, shale gas,
coal - to - gas, etc.) to power rapidly growing demand.
Research reveals that displacing
coal with wood for power
generation can make climate change worse for decades or more.
And as the English have done and as the Chinese and the Indians and etc will still do, they will use
coal, lots of
coal plus gas and oil for power
generation until some capitalist somewhere
with a very good idea on how to reduce costs and still make a fortune comes along and devises / discovers or restructures an old technology or a new power
generation technology that is more efficient, lower cost, more profitable, just as reliable as fossil fueled, those
coal, oil and gas generators
And the carbon footprint per mile of driving an electric car declines every time the grid gets cleaner, whether from adding renewable energy sources or replacing a
coal - fired
generation plant
with one using natural gas.
CO2 emissions from
coal - fired
generation were up both in the RGGI region and nationally in the first half of 2013, compared
with 2012 levels, which indicates that the new RGGI cap could become more binding in the future.
In this page I will deal mainly
with the burning of Australian
coal for power
generation, called thermal
coal; the burning of high - grade
coal, called metallurgical
coal, while not generally so polluting does add to the problem.
According to the recent UCS report, Ripe for Retirement: An Economic Analysis of the U.S.
Coal Fleet, Michigan has one of the nation's most economically vulnerable fleets of coal - fired power plants with nearly 7,000 megawatts of at - risk coal generat
Coal Fleet, Michigan has one of the nation's most economically vulnerable fleets of
coal - fired power plants with nearly 7,000 megawatts of at - risk coal generat
coal - fired power plants
with nearly 7,000 megawatts of at - risk
coal generat
coal generation.
To make this ambitious cut, the first priority is to replace all
coal - and oil - fired electricity
generation with renewable sources.
«[Howarth et al.'s] analysis is seriously flawed in that they significantly overestimate the fugitive emissions associated
with unconventional gas extraction, undervalue the contribution of «green technologies» to reducing those emissions to a level approaching that of conventional gas, base their comparison between gas and
coal on heat rather than electricity
generation (almost the sole use of
coal), and assume a time interval over which to compute the relative climate impact of gas compared to
coal that does not capture the contrast between the long residence time of CO2 and the short residence time of methane in the atmosphere.»