Jan 3, 2016

Wylfa nuclear plant closes in Wales



Station in Anglesey, the oldest in the UK, shuts as focus is on energy provider EDF over its plans for new facilities at Hinkley Point

Britain’s oldest nuclear plant closed on Wednesday, leaving in its wake a £700m decommissioning bill and further questions about the UK’s ability to keep the lights on.
The closure of the Wylfa plant in Wales after 44 years of service puts more pressure on EDF Energy to take a final investment decision for new reactors at Hinkley in Somerset.
The station on the island of Anglesey generated enough electricity to power 1m homes, and with a capacity of 1,000MW was once the largest facility of its kind in the world. But after an earlier life extension scheme expired, the last of the 26 British-designed Magnox reactors was switched off by the private consortium that manages the plant for the Nuclear Decommissioning Authority (NDA).
The site was due to close in 2010 but it was kept open for a further five years as fears mounted that Britain would face an electricity shortage because new atomic and gas-fired power plants were not being constructed. “Wylfa has been a terrific success story for Anglesey and the UK nuclear industry. We have generated safely and securely for many years, which is an excellent achievement,” said Stuart Law, the site director.
It will take another 10 years for the basic decommissioning to be undertaken at a cost of about £700m but the site cannot be redeveloped before the end of the century. High-level waste from Wylfa will remain on Anglesey until a national nuclear waste disposal facility is finally developed.
Britain still has a fleet of advanced cooled atomic reactors run by EDF but most of these will be retired by 2023 just as the government has also promised to halt all coal-fired power stations.
Hitachi of Japan is leading a Horizon Nuclear Power project to construct a new power plant at Wylfa, with a second earmarked for Oldbury in south Gloucestershire alongside a third facility planned in Cumbria. But the atomic industry’s revived fortunes ride primarily on the Hinkley C plant, which is expected to be the first new site since the Sizewell B station was completed in 1995.
The £18bn Somerset project has been repeatedly delayed but Chinese investors finally gave their support in the autumn while the government promised the latest in a series of subsidies. EDF signalled in October that it would start work at Hinkley and it is expected to give the formal investment the go ahead within weeks before later saying it may not come until after Christmas.
Hinkley Point C, intended to provide about 7% of the UK’s total electricity, was originally scheduled for completion by 2018 but the latest date is 2025. Sceptics still question whether it will make that later date given the experiences of delays and cost overruns with a similar power project at Flamanville in Normandy, northern France.
There have also been problems at the new Olkiluoto nuclear plant in Finland which is using the same plant design provided by EDF’s engineering partner Areva at Flamanville and planned for Hinkley.
National Grid, Britain’s electricity network operator, has played down the significance of the Wylfa closure and says it has put special measures in place to meet any mid-winter peaks in power demand. Another milestone in the change of Britain from a high to a lower carbon energy producer came two weeks ago when the country’s last deep coal mine, at Kellingley in North Yorkshire, closed.

SOURCE: http://www.theguardian.com/environment/2015/dec/30/wylfa-nuclear-plant-closes-in-wales
 

Share of UK power mix

Part of each fuel type for the generation of electricity in the UK - 2015
 
 




 
 
SOURCE:
from Carbon Brief July 2015 based on Decc data
Fuel for UK electricity /
 
 
 
 
 



SOURCE:
National Statistics / Electricity: Chapter 5, Digest of United Kingdom Energy Statistics (DUKES) - last update June 2015
 


The Interactive U.K. Energy Consumption Guide




In 2010, total UK overall primary energy consumption in primary energy terms (i.e. fuels obtained directly from natural sources) was 218.5 million tonnes of oil equivalent, 3 per cent higher than in 2009. However, it should be noted that in 2009 UK primary energy consumption was at its lowest level in the last 20 years as a result of the downturn in the economy.


Dec 17, 2015

Brazil - A Champion In The Fight Against Hunger





Brazil may have one of the world’s most successful football teams, but this year’s World Cup host is also leading the way in another area – the fight against world hunger. Although the country's progess here has fewer spectators, its achievements deserve the world's attention.
Just ten years ago, Brazil was one of many countries fighting extreme poverty. Now, its success in rising from the hunger trap is being raised as an example to other nations.
Brazil has the oldest and most successful school feeding programme, providing daily nutrition to over 43 million children across the country.


Free school meals

But this wasn’t always the case. In 1963, the World Food Programme collaborated with the Brazilian government to support free meals in schools in the northeast of the country where many children lived in poverty.
“With 576,000 children receiving the meals each year, school meals provided an incentive to attend school” said Daniel Balaban, director of Brazil’s Centre of Excellence against Hunger. “This meant that kids could concentrate in lessons, while providing the nutrition they needed to lead healthy lives.”
In partnership with the Brazilian government, WFP provided free school meals for 12 years, until the government was able to take over the programme. The Brazilian National School Feeding programme is now a staple part of Brazil’s food security contributing to the fact that hunger has decreased from 22.8 million people in 1992 to 13.6 million in 2012.


A team effort

In addition child malnutrition rates have decreased by 73 per cent and child deaths by 45 percent – this as a direct result of school meals, support for small farmers, community kitchens and food banks.
“WFP was able to provide technical assistance but the key success was the ability of the Brazilian government to really implement this programme and take over full responsibility of the school feeding,” said Daniel.
Intent on sharing their success story, the Brazilian government and WFP have taken things a step further by opening the Centre of Excellence – a training centre which provides direct support to governments from other countries in the areas of school feeding, nutrition and food security.
“It is crucial that we share what we have learnt in order to replicate this success around the world” concluded Daniel. “After all – just like a football match - ending hunger is a team effort.”
 24 June 2014 SOURCE: http://www.wfp.org/stories/brazil-champions-fight-against-hunger

INFOGRAPHICS ABOUT WORLD FOOD PROGRAMME JULY 2014


Dec 15, 2015

What is fracking and why is it controversial?

 
 
 
Drilling companies suggest trillions of cubic feet of shale gas may be recoverable from underneath parts of northern England, through a process known as "fracking".
Hydraulic fracturing, or fracking, is a technique designed to recover gas and oil from shale rock. But how does it work and why is it controversial?
 
What is fracking?
 
Fracking is the process of drilling down into the earth before a high-pressure water mixture is directed at the rock to release the gas inside. Water, sand and chemicals are injected into the rock at high pressure which allows the gas to flow out to the head of the well.
The process is carried out vertically or, more commonly, by drilling horizontally to the rock layer. The process can create new pathways to release gas or can be used to extend existing channels
 
 
 
Why is it called fracking?
 
It is shorthand for hydraulic fracturing and refers to how the rock is fractured apart by the high pressure mixture. Experts also refer to a "frac job" and a "frac unit".
 
Why is it controversial?
 
The extensive use of fracking in the US, where it has revolutionised the energy industry, has prompted environmental concerns.
The first is that fracking uses huge amounts of water that must be transported to the fracking site, at significant environmental cost. The second is the worry that potentially carcinogenic chemicals used may escape and contaminate groundwater around the fracking site. The industry suggests pollution incidents are the results of bad practice, rather than an inherently risky technique.
There are also worries that the fracking process can cause small earth tremors. Two small earthquakes of 1.5 and 2.2 magnitude hit the Blackpool area in 2011 following fracking.
"It's always recognised as a potential hazard of the technique", says Professor Ernie Rutter from the University of Manchester, "But they're unlikely to be felt by many people and very unlikely to cause any damage."
Finally, environmental campaigners say that fracking is simply distracting energy firms and governments from investing in renewable sources of energy, and encouraging continued reliance on fossil fuels.
"Shale gas is not the solution to the UK's energy challenges," said Friends of the Earth energy campaigner Tony Bosworth. "We need a 21st century energy revolution based on efficiency and renewables, not more fossil fuels that will add to climate change."
 
What are the advantages of fracking?
 
Fracking allows drilling firms to access difficult-to-reach resources of oil and gas. In the US it has significantly boosted domestic oil production and driven down gas prices. It is estimated to have offered gas security to the US and Canada for about 100 years, and has presented an opportunity to generate electricity at half the CO2 emissions of coal.
The industry suggests fracking of shale gas could contribute significantly to the UK's future energy needs. A report by the Energy and Climate Change Committee in April said shale gas in the UK may help to secure energy supplies, but may not bring down gas prices.
 
Where is fracking taking place?
 
Reserves of shale gas have been identified across swathes of the UK, particularly in the north of England. However no fracking is currently taking place, and drilling firms must apply for a fracking licence if they wish to do so in the future.