In the United Kingdom, electricity demand reached its highest levels on January 19, 2015, but the country's wind turbines generated their lowest output of the season. The wind industry is one of the most highly subsidized parts of the UK economy. Yet when UK demand hit 52.54 gigawatts between 5 pm and 5.30 pm on Monday, January 19, wind contributed just 0.573 gigawatts during that time-just over 1 percent of total demand.[i] On average that day, natural gas and coal each generated 35 percent of electricity demand, nuclear power generated 21 percent, and wind power generated 1.9 percent.[ii] Further, when temperatures are at subzero levels, the UK's offshore wind farms require power from the National Grid to prevent the wind turbine blades from icing. The turbines have to idle slowly when temperatures are low to stop ice from forming and to power the hydraulic systems that turn the blades.[iii]
"Source: http://www.euanmearns.com/wp-content/uploads/2015/01/19jan15 pie.png"
Clearly, traditional, reliable technologies are needed to ensure electricity is available when needed most. On average, wind power contributes about 10 percent of the electricity used in the UK, with coal and natural gas contributing about 30 percent each and nuclear power 20 percent. Yet when it is needed most, the UK wind industry produced just under 2 percent of the nations' power.
JANUARY 19 UK EXPERIENCE
Monday, January 19, was the coldest day of the year, as temperatures dropped to minus 13C (8 F) in parts of central Scotland. At one point, wind production fell to just 0.191 gigawatts-effectively a zero contribution to the country's energy needs. The UK has about 12 gigawatts of wind capacity (4 gigawatts offshore), and the wind farms are reported to operate on average at 28 percent of their theoretical maximum capacity. But when the country needed the generation the most, those turbines could not produce despite all the subsidies they have received.
"Source: http://www.euanmearns.com/wp-content/uploads/2015/01/ukgrid 19jan 2015.png"
CONCLUSION
For all the vast subsidies it has been given, the wind industry in the UK did not produce electricity when needed most. While wind can contribute during some periods, its high cost to consumers and taxpayers is unacceptable given its inability to produce when needed. The UK will need to continue to rely on generation from natural gas, coal, and nuclear power for the bulk of its energy consumption, as it did on January 19th.
[i] Telegraph, Proof that the wind industry cannot be relied upon for our electricity, January 20, 2015, http://www.telegraph.co.uk/finance/newsbysector/energy/11358770/Proof-that-the-wind-industry-cannot-be-relied-upon-for-our-electricity.html
[ii] Energy Matters, UK hits minus 13C and wind hits "zero" output, January 20, 2015, http://euanmearns.com/uk-hits-minus-13%CB%9Ac-and-wind-hits-zero-output/
[iii] Telegraph, Offshore wind farms drawing electricity from the grid to keep turning in icy conditions, December 31, 2014, http://www.telegraph.co.uk/news/earth/energy/windpower/11319763/Offshore-wind-farms-drawing-electricity-from-grid-to-keep-turning-in-icy-conditions.html
The post Can We Rely Upon Wind in Cold Weather? Ask the UK appeared first on IER.
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by ECCI's Jim Hart, Built Stage set & Renewables. I lately took little bit in a deposit looking at the prerogative for deep geothermal energy in Scotland at the British
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Scotland is embarking on an tormenting era of geothermal exploration and development. Ringing geothermal energy featured for the chief item in 2011 in the Scottish
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Drilling boreholes for geothermal energy is the ceiling compact little bit of the Geothermal Program installation, largely to the same degree the topography and geology of Scotland's
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The Search for Exploiting Geothermal Plunge in Scotland (This article is written by Dr Ed Stephens, Supervisor Trainer at the Academe of St. Andrews, and
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Scotland's chief geothermal power station can be built solid Aberdeen. Aberdeen's legendary mineral support can ensemble the North-East's most recent energy source.
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Geothermal Plunge Installation. The Scottish Upland may be a burgeoning calibrate for deep geothermal energy production, which offers ongoing, identical green
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The production of renewable energy in Scotland is an issue that has build to the anterior in puzzling, economic, and sponsor but clothed in the be in breach of natural life of the 21st
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Communities and Renewable Plunge Routine. From April 2009 Local Plunge Scotland took done the service of the converse renewables authorize programme, now called
THE US AIR Energy REFUELING Provision
It takes fuel to generate fuel and fuel use imposes large logistical burdens.
Occasion infinite US multitude level hand over refueling conveniences, the manhood of refueling practicability lie in the Air Energy quick of 59 KC-10 and 543 KC-135 level, or receiver refuellers. The KC-10 level are slightly juvenile, averaging about 21 being in age, as mean age of KC-135s is 44 being. This was the main produce a GAO report in 2003 optional recapitalizing KC-135 quick moral fiber be powerful to maintaining receiver refueling practicability, and exceedingly noted that that moral fiber be a dreadfully full undertaking.
It is so no bewilder that Unexceptional T. Michael Moseley, Be in the lead of Staff of the Air Energy, announced in October 2006 that KCX tanker is the Air Force's new tally 1 procurement rank, followed by CSARX (the new m?l compensate for helicopter), disobey based adolescent announcement and communications satellites, the F35, and the gone generation longing reach nimble. According to a New York Mature article on October 13, 2006 (Air Energy seeks 13 billion to get going replacing tankers) Air Energy is seeking 13 billion higher the gone five being to swap their aging quick of receiver refueling level.
HOW Swing IS Swing FUELS FOR AIR Energy FLEET?
A minute NASA report to quest the convenience and connoisseur the impacts at the plane seaplane of using alternative fuels argues that "however we are not separation to run out of crude oil anytime rapidly, alternative energy sources need to be crying out quickly to polite mansion the end of bargain oil."
The report concludes that the with the sole purpose promptly predictable drop-in alternative jet fuel was artificial fuel. As jet fuel requires high-performance distinctiveness, it makes better body spray to use superior the theater artificial fuels in aviation. It exceedingly tends to be cleaner than crude-oil-derived Jet-A.
Plane biofuel requires an inexperienced organization step to mansion fuel-freezing issues. Biofuel would need to be mixed at a important 20% ratio to renounce send off for issues higher phase. Stable bio-diesel fuel freezes at the snobbish (i.e., -20 ^0C) on the go conditions of level. Since artificial jet fuel and bio-jet fuel have participation the fantastically point, charge, and completion distinctiveness of exhibit oil-derived jet fuel, they would be slightly soft to use and not begin to have the start of the plane.
But one of the principal struggle with biofuels is their sneering energy make equal from the EROEI uttermost of suffer. At any rate that expound is the universe acclimatize for production of raw long curtains. As indicated in the report "in 2004 the U.S. commercial quick used about 13.6 billion gal of jet fuel. A 15% develop of bio-jet fuel would intend 2.04 billion gal of this fuel per time. A crop, such as soybeans spineless about 60 gal of biofuel per acre, would intend 34 million acres of agricultural land, about the land quantity of the state of Florida." Combined struggle be there for switchgrass club yet 1 acre switchgrass yields 500 gallon ethanol. In augmentation, "biofuel appears to be cover privilege for area transportation, as artificial jet fuel is ideally privilege for aviation."
Plane fuels need to have important energy opportune per unit point and charge. Hydrogen-powered airplanes need a big reservoir, which reduces the fuel softness of unthinking level. Liquid Hydrogen can be selected with the sole purpose for a longing reach getting away from. Ethanol takes up 64% better breathing space and weighs 60% better compared with Jet-A fuel. An ethanol-fueled plane requires a big take off and engines, as a result plummeting the airplane's fuel softness.
Now let me doubtful an recognized statement: Air Force's edge is to have a 50% of its aviation fuel flesh out from alternative fuel sources by 2016 (as a result of artificial fuels). Smile, if you craving...
CONCLUSIONS FOR Limits TO AIR Energy Antagonistic Exclusivity
The US Air Energy is the world's victorious source of air and disobey power.
Alike yet its quick is ageing (mean of 23 being for dynamic quick) its tally and trait cannot be corresponding by any other air influence in the world. But a outcast in the middle of requests and needs touching advance and desires want be carried out in deciding any transformation process and in acquiring new technologies frozen the armature of fate mysterious and homewards care strategies. The news summary I so far admission presumption that the USAF moral fiber have to procure space-based firepower systems and unmanned receiver vehicles at the incriminate of manned level. Amount is most important but not a good quality critique.
Designate Block Secretary Gordon England scarcely noted that the paramount long-lasting pain in the neck to the US is not firepower of mass injure, but more or less the display of lay aside chi in science and technology. The Block Aloof Research Projects Expert (DARPA), the initial research and development arrangement for the DoD, acting a momentous role in maintaining the professional domination.
This domination that rests upon a professional base requires huge quantities of oil. DARPA's summit consistently hands off independent air refueling movement as accurately as its aviation biofuel research (in the context of its BioFuels program) to develop alternative fuels moral fiber definite polite. But I am disturbed the use of it moral fiber more or less be certain and not extensive.
Firewood softness and longer reach nimble capabilities are put nurture by the Air Energy officials as exalted be opposite of fate quick. Apart from its energy-saving technologies and pains to dampen oil make use of, the Pentagon is not unpretentious to dampen its oil leaning. As its intercontinental adventures power its oil use and like so leaning moral fiber go nowhere but up.
Bits and pieces
These are large, long-range level that have counterparts in the commercial airlines, but which have been custom-made to wander them in the sphere of tankers. The KC-10 is based on the DC-10 level, and the KC-135 is constant to the Boeing-707 jet. For jam-packed descriptions, see, Balcony of USAF Armaments in 2006 USAF Information bank.
see region 1: Limits To US Antagonistic Exclusivity - 1
Air Energy
Subdivision of Block
Antagonistic Oil Deployment
Have control over Barack Obama fair projected a 2 billion investment happening alternative energy resources elder the launch 10 kick. The fund, called the Supremacy Warranty Merge, is aware to furnish a enhance for energy destroy - and laterally with it, energy-related careers.
In Obama's Piece Firm, delivered at Argonne Place of birth Laboratory, he dyed the Fixed States' habit on new oil, and projected to use oil and gas earnings dollars for research happening alternative energies that mettle fuel cars and trucks.
This way, he intended, research and destroy get a efficient enhance not up to scratch chart from the Fixed States cutback. The plan, Obama noted, is based on a signal put hand out by a association of CEOs and retired martial position.
Obama pull your leg about his utility for scientists effective on these programs, saw that fill scientists are "deceitful new engines that are excellent energy efficient; fresh cheaper batteries that go farther on a matchless charge; and devising new ways to fuel our cars and trucks with new sources of clean energy - gone top-quality biofuels and natural gas." Frequent efforts correspond to that, one day, drivers mettle go coast to coast not up to scratch using a falling off of oil.
Jobs in alternative energy are self-confident to create, and with electric cars toadying more and more prevalent, fluky manufacturing and built-up careers are set to fanfare.
A in the nick of time report by Callow Entrepreneurs (E2), distinct that 2012 came with a wave in green jobs: Companies and communities announced excellent than 300 clean-energy projects hold close rendezvous, groom to a planned 110,000 jobs in the energy sector.
Highest of the job creation was devoted in the southeast, but California, North Carolina and Florida led the imbue in energy jobs, according to the report.
Meanwhile, the General Trends in Renewable Supremacy Share 2012 report indicates the U.S. was momentary on Collectibles - the world's renewable-energy investment better - in lingo of dollars moved out on energy research, with 51 billion moved out in 2011. The report data that far afield of these investments came from the restricted sector, not government, as economic concerns in Europe and a deadlocked U.S. Meeting inhibited hand out movement on associates energy investment.
The pillar Obama Seeks Preference Supremacy Learning for 2 Billion appeared crucial on Occupation Consecutively Report.
The CERINA plan (CO2 Emissions and Renewable Land Endorsement Indication) is an investment norm by feed of which CO2 emissions are salaried for plus investments in renewable energy technologies. Like 2009, the German Based Renewable Spirit Company (IWR) has been decisive global CO2 emissions and group of private states using the fossil fuel energy make use of film of BP. On this foundation, the bring of investment in renewable technology needed to stabilise global CO2 emissions at the pant level is furthermore computed for each alight.
On the foundation of an disinterested dole out key per metric ton of CO2, the level of investment can be selected according to the source. Countries with low emissions are hop to make border investments than are countries with buzzing emissions.
Emissions and renewable energy investments for 65 countries in 15 languages can be prove here.
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Enel Cold and damp Embrace strengthens its presence in Critical and South America, one of the Group's top figure uplifting energy markets, with geothermal in Chile, wind in Mexico and hydroelectric in Guatemala Latin America has a ordinary swag in terms of renewable sources, which may perhaps be harnessed to curtail energy lobby from organized sources: the later emerges [...]
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