Showing posts with label Renewable Energy. Show all posts
Showing posts with label Renewable Energy. Show all posts

Monday, August 27, 2012

Ocean Sentinel: Testing System for Wave Energy Technology

                                                          Ocean Sentinel wave energy testing system; Credit: © Pat Kight, Oregon Sea Grant


A new test centre for public wave energy has been launched in America.

The $1.5million Ocean Sentinel, off the Oregon coast, is among just a few centres in the US that tests new public wave energy technology from industry or academia.

The first device to be tested, a WetNZ that has been developed by private industry, will be within the first few days of the centre opening.

The Newport test facility has been set up by Oregon State University's Northwest National Marine Renewable Energy Center (NNMREC).

The much-needed mobile unit will also be used to measure and learn more about wave resources and examine wave energy production and other vital matters.

Wave energy technology is still relatively new. It uses large buoys that move up and down on the waves, or similar methods to produce sustainable electricity.

NNMREC's ocean test facilities manager, Sean Moran, says, "The Ocean Sentinel will provide a standardized, accurate system to compare various wave energy technologies, including systems that may be better for one type of wave situation or another.

"We have to find out more about which technologies work best, in what conditions, and what environmental impacts there may be.

"We're not assuming anything. We're first trying to answer the question, 'Is this a good idea or not?' And if some technology doesn't work as well, we want to find that out quickly, and cheaply, and the Ocean Sentinel will help us do that."

The Ocean Sentinel can test and measure the amplitude of waves, energy output, ocean currents, the speed of the wind and more.

It is thought that no single technology will dominate wave power generation. Some get better results with flatter waves and others need rough seas, says Mr Moran.

"We're still trying to figure out what will happen when some of these devices have to stand up to 50-foot waves. The ocean environment is very challenging, especially off Oregon where we have such a powerful wave energy resource."

The area in which the Ocean Sentinel operates, a one-square mile patch around two miles northwest of Yaquina Head has been specially selected for its physical aspects as well as local biology.

A major element of the marine centre's program is to study possible environmental factors from variations in acoustics, electromagnetic fields, differences in marine life, sediment and more.
It will also promote research, public outreach and education. In August hearings have been planned to discuss whether a new $8million testing facility - the Pacific Marine Energy Center - should be built at Newport, Coos Bay, Reedsport, or Camp Rilea, close to Warrenton. The grid-connected center would expand the work of the Ocean Sentinel.


By @earthtimes.org

Saturday, June 30, 2012

G20 Renewable Energy from 2002 to 2020

In preparation for the Rio+20 conference, a new report by the Natural Resources Defense Council (NRDC) tracks changes in renewable energy use since the 2002 World Summit on Sustainable Development in Johannesburg, South Africa.

According to the report, the G20 countries are expected to produce less than 4 percent of their electricity from renewable sources by 2015 and less than 6 percent by 2020, based on current trends. One of the goals for Rio+20, however, is to conceive a plan that will boost total world electricity production via renewable resources to 15 percent by 2020.


Infographic: A new NRDC report contains statistics and predictions about renewable energy use in G20 countries from 2002 to 2020. Click image to enlarge.

The NRDC report features scorecard tables, holding governments accountable for their progress in clean energy investment and production, especially since the G20 nations accounted for more than 80 percent of the world’s energy consumption in 2010.

By Amanda Northrop@circle of blue

Saturday, June 16, 2012

UN Environment Summit Opens, But Prospects Grim


Twenty years after the first Earth Summit, a renewed bid to rally the world behind a common environmental blueprint opened in Rio de Janeiro against a backdrop of discord and economic gloom.

Kicking off the so-called Rio+20 summit, Dilma Rousseff, president of host nation Brazil, called on "all countries of the world to commit" to reaching an accord that addresses the most pressing environmental and social woes.

The UN conference, which marks the 20th anniversary of the Earth Summit -- a landmark 1992 gathering that opened the debate on the future of the planet and its resources -- is the largest ever organized, with 50,000 delegates.

Around 115 leaders are expected to attend the main event itself on June 20-22 but a series of conferences grouping businesses, environmental groups and non-governmental organizations are being held in advance.

This frenzy of contacts and deal-making could well be more fruitful than the UN Conference on Sustainable Development itself, analysts say, mindful of the failures of the 2009 climate summit in Copenhagen.

Behind the scenes, there is incipient panic over the draft summit communique after three rounds of preliminary informal negotiations left more than 75 percent of the paragraphs still to be agreed.

The charter is supposed to sum up the challenges and spell out pledges to nurture the oceans, roll back climate change, promote clean growth and provide decent water, sanitation and electricity for all.

The biggest divergences lie in four areas, according to sources close to the negotiations.
They include action on climate change, protecting the oceans and achieving food security, and whether "Sustainable Development Goals" should replace the Millennium Development Goals when these objectives expire in 2015.

The UN has not ruled out the possibility of intense negotiations continuing right up to the leaders' summit that will be attended by French President Francois Hollande and Chinese Premier Wen Jiabao, among others.

Nations all agree that the summit comes at a turning point, and its outcome is crucial.
But privately delegates expressed doubt that a consensus on how to tackle these problems will be reached while many governments remain focused on the economic crisis.

The European Union will fight to the last for credible commitments in Rio but it will be "very, very difficult", the bloc's environment commissioner Janez Potocnik said in Brussels on Wednesday.

"After tough pre-negotiations in New York, unfortunately not enough progress has been made so we have some intense days ahead of us in Rio," the commissioner said.

Privately, EU negotiators were more forthright. "It will be very, very difficult to draw up concrete measures and fix dates," one told AFP.

"No promises were made during lead-up negotiations," said another. "There was nothing concrete, just a lot of blah-blah-blah and statements of intention."

French dreams of creating a World Environment Organization, for instance, are not expected to see the light of day. "At best there'll be a bigger role for the United Nations 

Environment Programme (UNEP)," said a senior European official.

On the eve of the summit, the world's science academies warned that Earth faced a dangerous double whammy posed by voracious consumption and a population explosion.

According to UN figures, global food demand will double by 2030 and energy consumption will soar by as much as 45 percent, putting mounting pressure on finite resources amid growing social inequality, water shortages and global warming.

"Rapid population growth can be an obstacle to improving standards of living in poor countries, to eliminating poverty and to reducing gender inequality," said a joint statement from the science academies.

It emphasized the need to help millions rise out of poverty, brake trends of reckless consumption and address population growth through voluntary means such as education for women and access to contraception.

"If the right conditions are in place, measures that reduce fertility rates while respecting human rights can stimulate and facilitate economic development, improve health and living standards, and increase political and social stability and security," it said.

Notably absent from Rio will be US President Barack Obama, who is facing a tough re-election race at home, and German Chancellor Angela Merkel. The United States will be represented by Secretary of State Hillary Clinton.




In this E4C Webinar, Drew Corbyn will discuss the role of energy in human development and challenging poverty; presenting Practical Action's recently launched Poor People's Energy Outlook 2012, which supports the 2030 goal of universal energy access by helping to better define the dimensions of energy poverty, and the range of solutions needed in order to combat it. Evan Thomas will present how Manna Energy leverages carbon finance to allow larger scale distributions of energy technologies and creating opportunities for entrepreneurs and development practitioners in the process of developing sustainable energy projects. Furthermore, Evan will touch on the monitoring of those programs in a more accountable way through his work at PSU with the SWEETLab

Friday, June 15, 2012

Global Investment in Renewable Energy Powers to Record $257 Billion


Solar generation surged past wind power to become the renewable energy technology of choice for global investors in 2011.

Solar attracted nearly twice as much investment as wind, driving the renewable energy sector to yet another record-breaking year, albeit one beset with challenges for the industry, according to two new reports on renewable energy trends issued June 11 by the United Nations Environment Programme (UNEP) and the Renewable Energy Policy Network for the 21st Century (REN21).

Global Trends in Renewable Energy Investment 2012 is the fifth edition of the UNEP report, based on data from Bloomberg New Energy Finance, and has become the standard reference for global clean energy investment figures.

This year it shows that despite an increasingly tough competitive landscape for manufacturers, total investment in renewable power and fuels last year increased by 17% to a record $257 billion, a six-fold increase on the 2004 figure and 94% higher than the total in 2007, the year before the world financial crisis.

Although last year's 17% increase was significantly smaller than the 37% growth recorded in 2010, it was achieved at a time of rapidly falling prices for renewable energy equipment and severe pressure on fiscal budgets in the developed world.

The REN21 Renewables 2012 Global Status Report, which has become the most frequently referenced report on renewable energy market, industry and policy developments, notes that during 2011 renewables continued to grow strongly in all end-use sectors -- power, heating and cooling and transport. Renewable sources have grown to supply 16.7 % of global energy consumption. Of that, the share provided by traditional biomass has declined slightly while the share sourced from modern renewable technologies has risen.

In 2011, renewable energy technologies continued to expand into new markets: around 50 countries installed wind power capacity, and solar PV capacity moved rapidly into new regions and countries. Solar hot water collectors are used by more than 200 million households as well as in many public and commercial buildings worldwide.

The two publications were launched jointly by Achim Steiner, UNEP Executive Director, Mohamed El-Ashry, Chairman of REN21, Michael Liebreich, Chief Executive of Bloomberg New Energy Finance, and Professor Dr. Udo Steffens, President and CEO of the Frankfurt School of Finance & Management, host of the Frankfurt School -- UNEP Collaborating Centre for Climate & Sustainable Energy Finance.

Highlights 2011

- Total investment in solar power jumped 52% to $147 billion and featured booming rooftop photovoltaic (PV) installations in Italy and Germany, the rapid spread of small-scale PV to other countries from China to the UK and big investments in large-scale concentrating solar thermal (CSP) power projects in Spain and the US.

- The United States surged back to within an inch of the top of the renewables investment rankings, with a 57% leap to $51 billion, as developers rushed to cash in on three significant incentive programs before they expired during 2011 and 2012. After leading the world for two years, China saw its lead over the US shrink to just $1 billion in 2011, as it recorded renewable energy investment of $52 billion, up 17%.

- India's National Solar Mission helped to spur an impressive 62% increase to $12 billion, the fastest investment expansion of any large renewables market in the world. In Brazil, there was an 8% increase to $7 billion.

- Competitive challenges intensified sharply, leading to sharp drops in prices, especially in the solar market -- a boon to buyers but not to manufacturers, a number of whom went out of business or were forced to restructure.

- Renewable power, excluding large hydro-electric, accounted for 44% of all new generating capacity added worldwide in 2011 (up from 34% in 2010). This accounted for 31% of actual new power generated, due to lower capacity factors for solar and wind capacity.

- Gross investment in fossil-fuel capacity in 2011 was $302 billion, compared to $237 billion for that in renewable energy capacity excluding large hydro.

- The top seven countries for renewable electricity capacity excluding large hydro -- China, the United States, Germany, Spain, Italy, India and Japan -- accounted for about 70% of total non-hydro renewable capacity worldwide. The ranking among these countries was quite different for non-hydro capacity on a per person basis: Germany, Spain, Italy, the US, Japan, China and India. By region, the EU was home to nearly 37% of global non-hydro renewable capacity at the end of 2011, China, India and Brazil accounted for roughly one quarter.

- Renewable technologies are expanding into new markets. In 2011, around 50 countries installed wind capacity; solar PV capacity is rapidly moving into new regions and countries; interest in geothermal power has taken hold in East Africa's Rift Valley and elsewhere; interest in solar heating and cooling is on the rise in countries around the world; and the use of modern biomass for energy purposes is expanding in all regions of the globe.

- In the power sector, renewables accounted for almost half of the estimated 208 gigawatts (GW) of electric capacity added globally during the year. Wind and solar photovoltaic (PV) accounted for almost 40% and 30% of new renewable capacity, respectively, followed by hydropower (nearly 25%). By the end of 2011, total renewable power capacity worldwide exceeded 1,360 GW, up 8% over 2010; renewables comprised more than 25% of total global power-generating capacity (estimated at 5,360 GW in 2011) and supplied an estimated 20.3% of global electricity.

- At least 118 countries, more than half of which are developing countries, had renewable energy targets in place by early 2012, up from 96 one year before, although some slackening of policy support was seen in developed countries. This weakening reflected austerity pressures, particularly in Europe, and legislative deadlock in the US Congress.

- Despite all the additional investments, share prices in the renewable energy sector had a dismal 2011 in the face of overcapacity in the solar and wind manufacturing chains and investor unease about the direction of support policies in both Europe and North America.

"There may be multiple reasons driving investments in renewables, from climate, energy security and the urgency to electrify rural and urban areas in the developing world as one pathway towards eradicating poverty-whatever the drivers the strong and sustained growth of the renewable energy sector is a major factor that is assisting many economies towards a transition to a low carbon, resource efficient Green Economy" says Mr. Steiner.

"This sends yet another strong signal of opportunity to world leaders and delegates meeting later this month at the Rio+20 Summit: namely that transforming sustainable development from patchy progress to a reality for seven billion people is achievable when existing technologies are combined with inspiring policies and decisive leadership," he said.

"It is essential to continue government policies that support and nurture the sector's growth, and to de-escalate damaging trade disputes. Otherwise," he warned, "the low-carbon transition could weaken just at the point when exciting cost reductions are starting to transform the economics."

Says Dr. El-Ashry: "Despite the continuing economic crisis in some key traditional markets, and continuing political uncertainties, more renewable energy was installed last year than ever before. Policies helped to drive renewable energy forward. Policy development and implementation were stimulated by the Fukushima nuclear catastrophe in Japan, along with improvements in renewable energy costs and technologies. As a result, renewable energy is spreading to more countries and regions of the globe. Globally there are more than 5 million jobs in renewable energy industries, and the potential for job creation continues to be a main driver for renewable energy policies."

Bumps in the road

Faced with plunging green energy technology prices and economic austerity measures, many governments slashed their renewable subsidies and allowed other support schemes to expire. The result was a succession of company failures and factory closures in 2011-2012, including five significant solar manufacturers in the US and Germany.

According to Mr. Steiner, "Today's over-capacity situation in some renewables sectors, particularly solar, provides the opportunity to upscale deployment in new markets at costs few thought possible only a few years ago. This is particularly attractive to the many developing countries where much of the population has little or no access to modern energy services."

Says Prof. Dr. Steffens: "Renewables are starting to have a very consequential impact on energy supply, but we're also witnessing many classic symptoms of rapid sectoral growth -- big successes, painful bankruptcies, international trade disputes and more. This is an important moment for strategic policymaking as winners in the new economy form and solidify."

Adds Mr. Liebreich: "We are entering a fascinating period, with clean energy's costs starting to be competitive with fossil fuels. The challenge for policy-makers is to reduce support mechanisms at just the right pace -- too fast and the long-term future of the industry will be harmed. Too slow and you do the world's taxpayers and energy consumers a great disservice."

"Right now we are seeing a lot of pain on the supply-side as prices are being compressed, but it is important to remember than installers, generators and consumers are benefiting. It is all part of the maturing of the sector," he says.

"In 1903, the United States had over 500 car companies, most of which quickly fell by the wayside even as the automobile sector grew into an industrial juggernaut. A century ago, writing off the auto industry based on the failures of weaker firms would have been foolish. Today, the renewable energy sector is experiencing similar growing pains as the sector consolidates."

The industry's image in the investor community has been harmed by a number of high-profile supply-chain company failures, he says. At the same time, he points out, Germany's solar installations hit a new record peak output of 22GW at the end of May -- equivalent to around one quarter of the country's total power demand.

Renewables: an increasingly important contributor to world energy supply

In more and more countries, renewable energy represents a significant and rapidly growing share of total energy supply.

In the United States, renewable energy (including large hydro) provided 12.7% of total domestic electricity in 2011, up from 10.2% in 2010, and 9.3% in 2009. An estimated 39% of electric capacity added in 2011 was from renewable sources, mostly wind power. 

Renewable energy sources accounted for about 11.8% of U.S. domestic primary energy production, for the first time surpassing the 11.3% from nuclear power).

China again led the world in the installation of wind turbines and was the top hydropower producer and leading manufacturer of PV modules in 2011. Wind power generation increased by more than 48.2% during the year.

In the European Union, renewable energy accounted for more than 71% of total electricity generating capacity additions in 2011, with solar PV alone representing nearly half (46.7%) of new capacity coming on stream.

Germany remained the third biggest market for renewable energy investment. Renewable sources met 12.2% of total final energy consumption and accounted for 20% of electricity consumption (up from 17.2% in 2010 and 16.4% in 2009).

As the world marks the UN "International Year of Sustainable Energy for All," the REN21 Renewables 2012 Global Status Report includes a special focus on rural renewable energy, based on input from local experts working from around the world. Renewable energy is seen increasingly as a means for providing millions of people with a better quality of life through access to modern cooking, heating/cooling and electricity.

The impressive deployment of all renewable energy technologies combined with dramatic cost reductions and significant technology advances in recent years create an important opportunity for rural renewable energy development that points to a brighter future. 

However, further efforts will be necessary to reach the UN's outlined objectives: annual investment in the rural energy sector needs to increase more than fivefold to provide universal access to modern energy by 2030.

Closing the gap with fossil fuels

The price of all major renewable energy technologies continued to fall in 2011 -- to the point where they are challenging fossil-fuel sources, even before climate, health and other benefits are factored in.

The dominant reason for the price declines was that manufacturer margins were compressed as the industry continued the shift from a period of under-capacity a few years ago, to overcapacity now as growing demand failed to keep up with a surge in supply.

The most spectacular price plunge was in PV cells, whose average price fell from $1.50 per Watt in September 2010, to $1.30 per Watt by January 2011 and $0.60 per Watt by the end of the year, according to the Bloomberg New Energy Finance Solar Price Index. This fed into a fall in PV module prices of nearly 50% between the start of 2011 and the beginning of this year.

Onshore wind turbines showed a similar, although less dramatic, trend. In 2011, prices for turbines to be delivered in the second half of 2013 were 25% lower than for devices delivered in the first half of 2009, according to the Bloomberg New Energy Finance Wind Turbine Price Index.

While 2011 saw significant falls in the costs of generating a MWh of power from onshore wind (down 9%), and from PV technologies (down more than 30%), the cost of electricity generated by fossil-fuel sources changed less in most parts of the world -- despite the sharp falls in US natural gas prices due to the increased use of "fracking," a hotly contested form of resource extraction.

Based on current trends, it is predicted that the average onshore wind project worldwide will be fully competitive with combined-cycle gas turbine generation by 2016 even in the US, as gas prices are expected to rebound to a point where they cover the cost of extraction. At present, this is true only of a minority of wind projects, those that use the most efficient turbines in locations with superior wind resources.

In solar, analysis suggests that the cost of producing power from rooftop PV panels for domestic use is already competitive with the retail (but not the wholesale) daytime electricity price in several countries including Germany, Denmark, Italy and Spain, as well as the state of Hawaii.

Policy environment drives development

REN21's analysis found that stable renewable energy policies continue to be a driving force behind the development of green power capacity.

At least 118 countries -- more than half of them in the developing world -- have now established renewable energy targets. These include shares of total primary energy, total end-use energy, electricity generation (typically 10-30%), heat supply, biofuels as shares of road transport fuels, and total installed capacities for specific technologies.

Support for renewable power generation remains the most popular policy option with at least 65 countries and 27 states now having feed-in-tariffs (FITs).

Most policy activities in 2011 involved revisions to existing FITs, at times under controversy and involving legal disputes.

FIT payments vary widely among technologies and countries but are generally trending downwards, mostly due to lower technology costs than expected.

The reports in full are available at:

Global Trends report: http://fs-unep-centre.org/

REN21 Global Status report: http://www.ren21.net/


Sunday, June 10, 2012

A Reality Check On Renewables


How much land mass would renewables need to power a nation like the UK? An entire country's worth. In this pragmatic talk from TEDxWarwick, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options and explains why we should pursue them anyway.

By David MacKay@TED.com

Sunday, April 15, 2012

Big Wind Farm Plans on the Horizon

In spite of the recent negativity surrounding sustainable energies, one specific group seems to be getting a lot of positive press. Wind farms are creating jobs, getting funding, and finding their way onto just about every contintent. Major plans are being rolled out and acted on from India to Europe, China and the U.S. So while other industries see slumping sales, wind farms seem to be on the rise.

 

India Plans on Building Offshore Turbines in Next Five Years

Scottish Development teamed up with the Indian Government in 2009 when they signed a co-development deal to build offshore turbines. The European made turbines will have to be adjusted to lesser winds speeds than they were initially designed to perform under, due to India’s unique wind conditions. A 100 meter mast will be designed to gauge wind levels in the area as well.

 

New York Toys with Wind Power Opportunities

A recent study analyzed the natural environment off New York’s coast through the collaborated efforts of New York’s Department of State and the National Oceanic and Atmospheric Administration. The project was created to insure the natural environment in the area will be protected against the creation of wind farms.

New York has joined New Jersey and other states with the similarly favorable geography in an endeavor to invest in renewable energy through creating offshore wind farms. New York is currently shopping for bids on wind power installations on 75 acres of land on Staten Island. Experts predict the site would generate about 20 megawatts of renewable energy. This estimation could sustain power for 6,000 households.

 

Potential Wind Farm Could to Create 6,000 Jobs in France

GDF Suez is a French energy company currently bidding for a job to create hundreds of wind turbines off France’s West Coast. They claim the project would create 6,000 jobs and 3,000 megawatts of energy. If they are granted the contract, they will create between 500 to 600 wind turbines and complete the project by 2015. Other companies are invested in the bidding war as well.

France relies heavily on nuclear energy and is planning on spending 20 billion euros to build about 1,200 offshore turbines by 2020. Critics have been gaining a voice against their nuclear program since the nuclear disaster in Japan. Other critics feel the offshore wind farm endeavors could ruin historical sites such as the D-Day battle which occurred on the beaches of Normandy.

 

A Wind Farm in Alaska Researches Energy Storage Possibilities

The future of wind power may render energy in to a storable resource and lead to the creation of batteries. Wind power is cheap and clean but difficult to harness. The Kodiak Electric Association (KEA) is installing a 3 MW battery farm station next to their wind farm. The station was created by a company called Xtreme Power who plan on creating power storage facilities to compensate for moments when wind speed drops, creating a way to stabilize power usage and increase effectiveness.


 

Monday, March 26, 2012

Top 5 Nations that use Renewable Energy

5. Brazil, 5 percent of world total

Renowned for its biofuel production, Brazil is also involved with developing technologies such as solar water heating, and for relationships with countries outside its region, such as China. Brazil boosted large investments into the wind sector through government auctions for contracts since introducing them in 2009.  Brazil seeks to further renewable development and burnish its green credentials through supporting and attracting foreign investment into solar energy - as well as a pledge to have solar power in all twelve venues for the 2014 World Cup.


4. China, 7.6 percent of world total

China is the largest energy consumer and second-largest net importer of oil (as of 2009).  China is also the global leader in clean energy sector investment, with half of its financing in wind.

3. Spain, 7.8 percent of world total

Spain imports the majority of its energy, though in April wind power became its largest source of electricity generation. Spanish producers are also building turbines and installing wind farms internationally, including in the U.S. Spain’s clean energy market has been a magnet for investment over the past decade, though the Spanish government has halted subsidies for renewable energy investment as it is a debt-burdened economy.

2. Germany, 11.7 percent of world total

Germany has taken the controversial step of vowing to phase out nuclear power by 2022 in favor of other sources.  It is the only country in the G-20 economic bloc to project a decline in clean energy investment, partly because of being an early leader in renewable energy as well as competition from Asian producers.