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Tag:

microgrid

Let’s Stop Just Consuming and Become Part of the Internet of Energy

Let’s Stop Just Consuming and Become Part of the Internet of Energy

written by CleanTechies.com Contributor

Ryan Wartena, CEO and founder of Growing Energy Labs, could have decided to create a new, inexpensive battery for energy storage, based on his experience working at the US Naval Research Lab in Washington, D.C., where he learned how to make micro batteries.

When he started GELI, his partner was working at Harvard University, and Wartena was at MIT.

His ultimate goal was to boost the use of energy storage so that “we can run the world on renewable energy,” he says.

And that’s all about networking energy storage on the grid – and ensuring more consumers become producers.

“We could have started a new battery company to make a cheaper battery,” he says. But the real obstacle to getting more energy storage online is the automation related to the energy services. It’s all about the “Internet of Energy,” the business and operational layer associated with energy production and storage, Wartena says.

So Wartena decided to focus on software—creating an “operating system” for energy.

While there are lots of hardware systems available, he saw a  dearth of “platforms,” or operating systems. And as we add electric vehicles, renewable energy and energy storage to energy system, we need such operating systems more than ever.

For example, if companies are generating more power than they need using renewable energy, and selling that power to the utility, they need an energy operating system to allow them to track changing prices, generate and store power, and sell it back to the grid.

That’s where GELI’s software comes in.

In a microgrid, GELI’s software makes operational decisions based on the price of power and energy, in addition to the electrical status and activity of the microgrid itself and other system components. It optimizes the energy storage system within the context of the microgrid and the power grid.

For this work, GELI recently garnered an Innovation Award by Energy Storage North America. The awards identified the leading energy storage projects in North America.

The company’s business model focuses on getting energy storage out there as quickly as possible. Rather than offer a turnkey system, the company brings different components together, provides integration software, and lets its customers—solar developers—buy from original equipment manufacturers.

“We provide the software and define the systems so they can go to OEMs and get components; this results in lower-cost systems,” he says.

For example, the company now has a microgrid in Marin County that integrates diesel, solar, and some facility loads. Another project in Los Angeles focuses on demand-charge management behind the meter.

Craig Wilkins, chairman and founder of ViZn Energy Systems, which produces large-scale energy storage technology, agrees that integration is key.

“In a microgrid, a little micro environment, you have few assets to pull from, unlike the grid,” he says. If all you have is solar and wind, the battery is the focal point. It’s the energy reservoir. You need to shift energy from one part of the day to another using storage. We’ll be seeing more integration services,” he says.

GELI’s system can control electric vehicles, solar, storage, diesel backups and mechanical systems, says Wartena. For example, one project will control lighting and mechanical systems during demand-side programs.

“We can ask the lighting system to dim a little to do demand-side management,” he says. “We can coordinate systems to maximize their value.”

Wartena sees many opportunities to better integrate resources and focus on the “Internet of Energy.”

“When I see a lot of cars on the road, I realize they are stationary 95 percent of the time. They have a generator in them that’s not providing value to the building where they are parked.” We need to focus more on being producers, rather than consumers, he adds.

“With the Internet of Energy, you are an interactive part. Everything is automated, from the TV to the Internet. You can put information or services back up, rather than just consuming.”

We’re not there yet, but it appears we’re  moving toward prosumer-ism. Advances in software, like the work being done by GELI, make an Internet of Energy seems less and less futuristic; more within reach.

Article by Lisa Cohn. This article is published under a cross licensing agreement with EnergyEfficiencyMarkets.com



August 27, 2014 2 comments
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Utilities See Distributed Generation Coming; Energy Efficiency Working

Utilities See Distributed Generation Coming; Energy Efficiency Working

written by Elisa Wood

Once upon a time when a big power plant retired, it was replaced by one as big or bigger. But not anymore. Energy efficiency is increasingly reducing the need for more power. And when it is needed, distributed generation may be enough.

That’s how utilities increasingly view the market, according to this year’s Strategic Directions: U.S. Electric Industry report issued August 12 by Black & Veatch.

The report is based on a survey of 576 utility leaders from May 7 to May 27.

As coal and nuclear plants retire, utilities find it less necessary to replace them with the same number of megawatts because of increased levels of energy efficiency, according to the survey. Instead, utilities can turn to solar and other smaller generators.

“Our system was built around the notion of central generation, transmission, distribution. But now with renewables and more self-generation, we are going to have to integrate those into the grid,” said Dean Osvig, president and CEO of B&V Energy. “What that means for the traditional utility is that they are going to have to make their money more on a capacity basis and less so on an energy sales basis.”

Over half the respondents said they are considering new generation, according to the results.  But flat demand and a slow economy make it difficult for them to move forward.

“Many of utilities are putting off the large  investments that they need to make until they can carefully analyze these scenarios with regard to demand growth and environmental regulations,” said Ann Donnelly, director at Black & Veatch. “More than ever, electric  utilities need to carefully consider distributed generation and the role  it may play in actually fulfilling customer electricity requirements.”

In a finding that may bode well for microgrids, reliability was the number one issue of utility concern among 10 listed. Others were environmental regulation, economic regulation, cybersecurity, natural gas prices, long-term investment, aging infrastructure, physical security, natural gas fuel supply reliability and fuel policy.

The report also found that emerging technologies, such as demand response, data analytics and advanced metering, provide more opportunity than challenges for utilities.  Over 40 percent of the utilities surveyed said they have advanced data analytics programs is place,  and more than 38 percent have advanced meters. More than 27 percent are using programmable thermostats for demand response programs; 26.5 percent have direct load control for home area networks;  and almost 16 percent have in-home displays.

The full report is available for download here.



August 14, 2014 2 comments
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Joule Assets: Unearthing Hidden Revenue for Smaller Energy Efficiency Companies

Joule Assets: Unearthing Hidden Revenue for Smaller Energy Efficiency Companies

written by Elisa Wood

Take heart smaller energy efficiency companies. Good times are coming.

That was the positive message from Mike Gordon, CEO of Joule Assets, as his company recently rolled out news of $90 million in financing being offered to 10 US companies with a $270 million pipeline of projects.

“The contractors, the technology integrators, technology providers, vendors – these guys in the market, they are more powerful, with more opportunities than they perceive,” Gordon said in an interview. “It is only getting better.”

The New York-based firm has carved a niche helping smaller energy efficiency companies with its $100 million fund announced earlier this year.

Lacking the federal contracts of the big ESCOs, smaller energy efficiency companies often find it difficult to secure funding and bring their products and services to scale. Joule Assets provides them with backing, so that they can  finance deals for customers, close on them and build a portfolio.

Wholesale market money

The New York company also helps contractors aggregate savings and tap into revenue streams from wholesale power markets. These markets are complex and risky, so are often avoided by smaller companies.

Smaller energy efficiency companies typically “have no idea about the permanent demand reductions available in New England or Pennsylvania, New Jersey, Maryland,” Gordon said. “If they do know about them, they don’t necessarily know how to register it. Or if they do know how to register it, they don’t necessarily know how much it is going to be worth. If they do know how much it’s going to be worth, they don’t know what vendors they need to engage.”

The same holds true for capacity demand response, spinning reserve demand response, hourly demand response, and even in some cases rebates, he said. Smaller companies are unaware of  these financial opportunities.

“Those are the kinds of things we introduce to these projects to make them more valuable,” he said.

Whiz-bang tech may dominate the headlines, but it was traditional projects that penciled out for Joule Assets in this funding round: lighting, AC, control system upgrades and integration, and energy management software.

For the most part, Joule Assets kept the chosen companies names confidential. But it did highlight one contractor, NorthWrite, an energy information management company that expects to finance 50-100 energy efficiency projects in the next 12 months in schools, restaurants, national chains, offices and other small commercial buildings.

Patrick O’Neill, NorthWrite founder and CEO, said that Joule Assets has “a level of domain knowledge around conditional cash flows that others deeply discount or won’t even consider, which is what makes these projects possible.”

Watching NY, New England and microgrids

Gordon also keeps an eye on how wider market changes might influence the energy efficiency industry.  He’s now watching New York’s Reforming the Energy Vision, or REV, which sets up new rules for the grid to create a distributed energy market  – somewhat akin to the state’s wholesale energy markets.

Gordon sees a lot to like in New York’s vision, but he is  worried about a state recommendation that utilities act as operators of the new, distributed grid.

“I think it is a very exciting vision – New York is exciting. More power to the folks who have begun to formulate it. However, as far as I see it, the devil is in the details,” he said.

In ISO New England, he sees a market with “stark physical need” where prices for peaking products are going up. He doesn’t think a publicly funded roll-out of smart meters is the solution. What will work is a well-designed market with critical peak pricing, no bid limitations on energy nodes, capacity markets, and nodal requirements for “every single product so that you can have some locally based products,” he said.

“If you design your market that way,  you are going to have financiers like us lined up, coming out of the woodwork,” he said, adding, “I don’t think you need state funding. You need well designed markets.”

On microgrids, Gordon says he sees interest in the technology emanating in part from a growing sentiment for “power by the people, not power to the people.”

The key to that market, he says, is support for the  ”multi-stakeholder microgrid,” a configuration beyond the more common university or military microgrid, something more like a neighborhood microgrid with generation, demand response and control infrastructure that can reliably isolate and operate.

A good example of a multi-stakeholder microgrid is New York’s Co-op City, a 330-acre housing cooperative in the Bronx with a 40-MW combined heat and power plant. This kind of microgrid will emerge more and more once microgrids have full access to market cash flows, he said.

“By that I mean if a neighborhood decides it wants to slowly grow into a microgrid construct , it should be able to create its own power supply – maybe not 100 percent of their use but a portion of their use – then they should be able to sell what they don’t use into the more sophisticated electricity market.”

The bottom line for Gordon? Markets, markets, markets. Get them right and the rest will work.

This article is published under a cross licensing agreement with EnergyEfficiencyMarkets.com



July 9, 2014 1 comment
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New Climate Assessment Is Wake-Up Call About Need for Energy Efficiency

New Climate Assessment Is Wake-Up Call About Need for Energy Efficiency

written by CleanTechies.com Contributor

The federal government’s new climate assessment  should serve as a wake-up call that spurs policymakers to promote energy efficiency and microgrid development.

The report, based on information from more than 300 experts, summarizes scientific research about the very real threat of climate change, bringing home its point with many recent examples of the effects of climate change.

“It is important that these findings and response options be shared broadly to inform citizens and communities across our nation,” said the report. “Climate change presents a major challenge for society. This report advances our understanding of that challenge and the need for the American people to prepare for and respond to its far-reaching implications.”

Helping Policymakers Understand

“The report provides a nice summary in the most graphically smart format to help people in different regions of the country, especially policymakers, understand not only what’s projected to come in terms of heat and severe weather but what the recent trends have been,” said Steve Winkelman, director of the Center for Clean Air Policy’s adaptation and transportation programs. ”It is hopefully an entrée into a variety of resources for the federal government to do assessment and planning and increase resiliency and response.”

Energy efficiency and microgrids play an important role in helping the US cope with climate change. For example, said Winkelman, buildings with better insulation and tight envelopes will be more secure. “When the power is out, they will maintain their temperatures. A better insulated building will help get people through a power outage.”

Onsite generation and microgrid options provide an opportunity to provide both efficiency and renewable energy – which help stem global warming – and protect people from power outages, he added.

A CCAP report, “Green Resilience: Climate Adaptation and Mitigation Synergies” quotes Johnson Controls as calling for grid-responsive, energy efficient, net positive and resilient buildings.

“Microgrids, supported by distributed energy generation, are a potential solution, as they allow decentralized energy distribution at a community scale,” said the CCAP report.

The report identifies potential pilot projects in Washington, D.C. and Boston that would involve adding resilience measures to green building projects, codes and policies. What’s more it calls for installing combined heat and power in hospital and university campuses as a first step toward microgrids.

The CCAP report also suggests that FERC modify policies to facilitate microgrids.

Read the CCAP report here: Green Resilience Report From CCAP

The bottom line: The federal government’s new climate assessment doesn’t pussy-foot around about the very real threat of global warming. And that should be good news for the energy efficiency industry, which provides multiple benefits: Not only does efficiency reduce the greenhouse gases that cause global warming, it can keep buildings comfortable longer during outages. And microgrids take this idea one step further, often providing emission-free alternative energy, plus an off-grid solution.

As Winkelman said, “I’m impressed with the administration putting out such strong, scientifically-backed work.” And it’s also impressive that the administration called for action in what hopefully will be a politically palatable manner.

What’s your take on energy efficiency, microgrids and climate change?

Article by Lisa Cohn, published under a cross licensing agreement with EnergyEfficiencyMarkets.com



May 20, 2014 1 comment
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Confused About How to Develop a Microgrid?

Confused About How to Develop a Microgrid?

written by Elisa Wood

If you’d like to develop a microgrid for your business, campus or community, but don’t know where to start, you’re not alone.

In the US, the race is on to build these mini-grids that can keep the power flowing when the larger grid goes down. But it’s a race without a pathway or clear rules in many states. Regulators appear to be chasing the market more than guiding it.

Often a green energy leader, California recognized this problem and outlined solutions in a recent white paper issued by the California Public Utilities Commission Policy & Planning Division.

“The question is not does the industry encourage or discourage this development – this development is happening whether the utility, or regulator, encourages it,” says Microgrids: A Regulatory Perspective, issued April 14.

Microgrids are coming. So what frameworks can regulators create to get the most out of them and guide those who want to develop a microgrid?

As is often the case in electricity regulation, the first step is defining the product. And, of course, we’ll probably end up with a unique definition for microgrid in almost every state.

Learn more about microgrids by joining the discussion now going on in the Microgrid Knowledge LinkedIn Group.

The CPUC staff paper defines two kinds of microgrids: 1) A basic microgrid with one customer, possibly with multiple meters and a dedicated distribution system; 2) An advanced microgrid with multiple customers and multiple resources that can island or connect to the grid, and may have a dedicated distribution network or use the existing one.

california-advanced-microgrid-e1398114903227

We should avoid pigeon-holing what microgrids can do, the paper says. They are not just “a set of technologies capable of keeping the lights on specific locations. Rather, microgrids can provide far more benefits, not only to the customers of the microgrid, but to the grid as a whole.”

Next Steps

So what needs to be done to guide those who want to develop a microgrid?

The paper outlines several steps for California.

First, microgrids are likely to disrupt the conventional utility model, says the paper. The bottom line is that independent microgrids will take customers from utilities. So regulators and policymakers should consider a new role for the utility.  For example, the utility might act as a ‘distribution system operator,’ akin to the independent system operators that run the US transmission networks. In essence, the utility would oversee the distribution grid, including any connected microgrids, to ensure that the lights remain on for all.

Second, the paper suggests that the regulators develop standards for microgrids to ensure that they interconnect and interact safely with the macrogrid.

Third, “Location matters!’ the paper says. Map the distribution grid to determine where to site microgrids and perhaps set up a locational pricing system to encourage siting in those areas.

Many states and the federal government are now focusing on microgrids. California regulators should get involved in national efforts, the paper says. This will help them better understand microgrid challenges as California develops its own policies.

And last, all revolutions create discomfort; the microgrid revolution will be no different. As the paper puts it, “This will not be easy, as widespread and successful implementations of microgrids will upset the century-long view of the electricity grid. We should not shy away from this opportunity, but should embrace it thoroughly.”

This article is published under a cross licensing agreement with EnergyEfficiencyMarkets.com



April 22, 2014 1 comment
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What’s the Dark Side of Microgrids?

What’s the Dark Side of Microgrids?

written by CleanTechies.com Contributor

Marc Lopata says his job is to uncover the dark side of microgrids.

And that’s just what the president and principal engineer for Microgrid Solar is doing in a project that combines energy storage and solar energy at Missouri University of Science and Technology (Missouri S&T).

The project is located at the “Solar Village,” which consists of multiple houses built by the university’s students, between 2002 to 2009, for competition in the U.S. Department of Energy’s Solar Decathlon.

Missouri S&T students, faculty and staff, along with members of the university’s microgrid advisory board (Ameren, City Utilities of Springfield, Rolla Municipal Utilities and Electric Power Research Institute), several Missouri manufacturers (Milbank and Ford) and the Army Corps of Engineers, have worked together for two years to design and implement an advanced microgrid testing facility at the village that aims to uncover solutions to common microgrid solar challenges.

While the facility, with its solar installations and energy storage units, has the ability to be completely independent of the grid, the project will also investigate the benefits of a number of on- and off-grid scenarios, he said.

For example, the project will look into when it makes sense to take advantage of time-of-use cost structures–a goal that will likely keep math-loving students busy.

“If the utility has a time-of-use tariff, we might use grid electricity during off-peak and during peak use the solar and battery power,” Lopata explained.

The project will also look at the challenges of microgrids.

“Part of my job is to look at the dark side of projects–what happens when things don’t go right,” he says.

For example, the project will seek to educate firefighters about what to do when there’s a fire at a microgrid facility.

“Firefighters don’t have an understanding of renewable energy systems and how they can affect their firefighting abilities,” says Lopata. “We see problems happening in various places with ordinary rooftop fire arrays. Firefighters don’t understand the risk, and sometimes refuse to respond to a fire where there’s a solar array. Microgrids don’t make that easier. Not only do they have to cut off the electricity, but they don’t know where the electricity sources are,” he explains.

For example, a firefighter might turn the power off in a building by removing the utility meter, but that might not turn off all the electrical systems. There could be storage or fuel cells that provide electricity. Not understanding those possibilities poses a risk to firefighters–a risk they need to understand.

Another microgrid challenge is maintaining reliability. “If you look at a utility coal-fired plant, they have a reliability of 80 percent. On the other hand, a solar array when the sun is shining has 99 percent reliability. It’s a lot more reliable. But when you put extra equipment and batteries and controls, it makes it more complicated,” he said.

As part of the project, a number of companies are testing the reliability of their equipment and refining it, he said. They include the battery manufacturer and a fuel cell manufacturer.

Lopata’s goals of looking at the dark side of microgrids is likely to uncover important information likely to help keep the lights on–at this solar village and elsewhere.

“The research that Missouri S&T and the university’s industry partners do with this versatile testing facility will help to pave the way for significant progress toward energy security and independence,” he said.

Article by Lisa Cohn, appearing courtesy Energy Efficiency Markets.



April 7, 2014 0 comment
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UCSD Microgrid Showcases Smart Grid Opportunities

UCSD Microgrid Showcases Smart Grid Opportunities

written by Debrah Dubay

National infrastructures from the grid, and bridges to pipelines in major urban areas are aging and in serious need for redesign and rebuilding. Mission critical microgrids at universities are a leading example of what is possible for the nation’s grid security and the savings they provide to a community could pay for other infrastructure repairs that will be necessary in the coming years.

The University of California at San Diego (UCSD) is taking the lead in developing one of the most sophisticated community power grids in the nation. The ability to island from the local grid in times of peak demand or other crisis is critical for universities to guarantee power for valuable research taking place on campuses, to guarantee the welfare of its students and faculty and other mission critical infrastructure on its campuses.

National and local incentives and grants helped the university purchase some of the new technology that provide financial savings, increase energy efficiency and energy security benefits. The systems now save the school as much as $850,000 a month in utility bills. Across the US conversations about the growing necessity for grid security and smart grids are a growing interest.

UCSD started to diversify their grid in 1962 with two natural-gas cogenerators for the central plant designed to provide gas-fired electricity as well as district heating and cooling for the school’s buildings. Over the years, UCSD gained self-sufficiency by adding steam turbines, solar photovoltaic panels, fuel cells and energy storage.

Power resources across the campus now operate under the control of a sophisticated energy management system, enabling the campus microgrid to generate, store and dispatch electricity as needed for the university and ultimately providing 92 percent of electricity used on campus. The school has become a magnet for new technology and continues to diversify and add to its grid capacity.

Byron Washom is a solar and cleantech entrepreneur who came out of semi-retirement to work at UC San Diego when his son came to the university as an undergraduate. Washom is the chief organizer, fundraiser, motivator and connector of the microgrid. A recent article by Energy & Environment News noted a conversation with David Weil. “When Washom came to campus six years ago, his eyes lit up, and he said, ‘This is the perfect place to do a microgrid,’ said David Weil, a former sustainability director at the university.”

Diverse and innovative technology including CHP, solar PV, backup storage and charging stations in use at UCSD provide a test market showcasing smart grid opportunities that increase energy efficiency, provide energy security and have the ability to save communities millions of dollars annually.

 



March 24, 2014 0 comment
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Microgrids: Coming or No?

written by Walter Wang

You know that experience, when you buy a new car, and suddenly you see the model everywhere? Since Superstorm Sandy I’ve had the equivalent experience with the term ‘microgrid.’

Policymakers and thought leaders in the US Northeast started talking microgrid in earnest shortly

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May 6, 2013 4 comments
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Top 2012 Cleantech Milestones in San Diego

written by Walter Wang

Despite tumultuous times for the industry, 2012 marked a banner year for clean technology in San Diego. Numerous organizations within the region’s cleantech cluster – from startups to multinational brands – made significant strides in continuing San Diego’s leadership in the global advanced energy economy. CleanTECH San Diego, a regional non-profit member

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January 7, 2013 0 comment
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Solar Powered Tablets should not Be Limited to Children in Ethiopia: Lessons From Sandy

written by Walter Wang

All last week there were numerous frantic New Yorkers looking desperately for places to plug-in. Without electricity this ultra connected island was stranded by the storm both physically and electronically. People stood in groups throughout the darkened city listening to battery-powered boom boxes for news. In polling places on Long Island generators still stood

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November 8, 2012 0 comment
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U.S. Military Base Houses Massive Solar PV Facility

written by Walter Wang

Here’s a video that shows where I spent my afternoon: on a tour of the (currently) 2 megawatt solar photovoltaics facility at Fort Hunter Liggett in Central California, now the largest solar array on a military base in the U.S. – and soon to be a microgrid. As I took a tour with some colleagues, work was underway for Phase Two, which will add two more MW, and enough battery

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October 16, 2012 0 comment
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On Alcatraz, Microgrids Break Free from Limitations

written by Walter Wang

Recently I had the chance to tour the Island of Alcatraz, once the site of one of America’s most famous prisons. The prison was closed in 1963 due to the high cost of maintenance in such a remote location, but it remains a top tourist destination.

My justification for this junket was an invitation from

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July 23, 2012 0 comment
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Developing Nations Look to Remote Microgrids for Energy Solutions

written by Walter Wang

According to the U.S. Department of Energy (DOE), what Pike Research defines as a “remote microgrid” is not a microgrid. The DOE defines a microgrid as a distribution system connected to a larger utility grid, with its defining characteristic being the ability to disconnect (seamlessly) and then operate in islanding mode.

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December 14, 2011 0 comment
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Pentagon Leads Development of Microgrids

written by Walter Wang

In the past, the U.S. Department of Defense (DOD) has played a remarkably consistent role in commercializing new technologies that provide tremendous social benefits within the larger civilian realm. The Internet, created by the Defense Advanced Research Projects Agency in 1969, is perhaps the best-known DOD

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September 27, 2011 0 comment
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