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Entries tagged "solar panels"
August 9, 2013 · By Chloe Holden
“Distributed generation with solar looks better and better to me all the time.” -James Woolsey, former director of the CIA.
What is a man with Woolsey’s credentials doing issuing a powerful endorsement of home solar panels? National security and sustainability, at face value, certainly make for an unlikely overlap of interests.
In his talk—delivered to a crowd of several hundred people at the Johns Hopkins Institute for International Studies—Woolsey advocated distributed solar energy in the form of solar panels on businesses and homes as one viable solution to the security challenges faced by America’s electricity grid.
The grid—the network of power plants, electrical substations, and transmission lines that deliver electricity around the country—is only one of 18 critical infrastructures in the U.S. However, all depend on electricity to function, making the stability of the grid vital to the running of each of these infrastructures.
Cyber threats are a particular threat to the national grid, in part because the control systems for the grid are all available online. Electrical infrastructure can also be severely damaged or disabled by large electromagnetic pulses, such as those caused by spontaneous electromagnetic bursts from the sun or by a nuclear attack. Woolsey noted that the grid is also vulnerable to attacks from, for instance, heavy artillery or ordinary gunfire.
Woolsey's solutions to these threats are twofold. First, he suggested that individual shields should be constructed around every vital point on the energy grid to help protect these electrical hubs from attack—however, this would be undeniably resource-intensive and provide few benefits. Woolsey’s second—and more realistic—solution endorsed the idea of distributed generation and storage of renewable energy at the local level.
The logic behind the security argument for distributed solar is simple. When the energy needed to power each household and business is “coming from your roof... and being stored in the basement,” as Woolsey quipped, Americans are less vulnerable to disruptions in the production and transport system. The more energy produced locally on roofs and in yards, the less impact an extreme weather event or attack can have on the regular functioning of American society. Such resilience to external disruptions is key in an increasingly unpredictable energy, climate, and national security landscape.
There remain significant barriers to distributed solar energy, however. Although much of the technology for affordable distributed solar is “here or almost here,” according to Woolsey, funding for research and development is often uncertain. Further, it takes time for any new technology to be integrated into society. Attention must be given to state and national incentives for solar installation, integration with existing infrastructure, and other barriers to access if the market for distributed solar is to flourish across the United States.
Yet Woolsey's endorsement of distributed solar energy as a security investment suggests the potential for more promising, creative national defense solutions—solutions that create resilient, productive domestic systems while working towards a more sustainable, renewable future.
October 5, 2010 · By Daphne Wysham
That was the disappointing response from the Obama White House a few weeks ago to the plea from climate change activists who transported solar panels dating back to the Carter Administration to the White House to get them reinstalled. President Jimmy Carter placed solar panels on the White House roof during the energy crisis of the 1970s--only to see them removed by President Ronald Reagan in 1986. Writer and climate activist Bill McKibben and his group 350.org managed to find them, dust them off, and offer them up as one small gesture President Obama could take, sending a signal, once again, that the White House was serious about supporting clean, renewable energy. The rejection was stunning.
People puzzled over why. Maybe the White House figured placing panels from Carter on the White House roof would allow for too close an association with a one-term president. Maybe he just didn't get it.
Well, just as mysteriously, on October 5 came the announcement that the "no" had been transformed into a "yes"--with some caveats. The White House will install a new set of solar panels and bring solar heated water some time in 2011.
Perhaps this change of heart had something to do with disgruntled climate change activists responding to the Obama Administration's first "no" with calls to indeed make him a one-term president. Maybe it had something to do with the upcoming mobilization of 350.org activists on October 10, 2010--10-10-10--in a global work party to take action on climate change with 6,174 events and actions planned in 184 countries. Or maybe it had a little to do with the fact that solar
is now out-competing nuclear power, with costs coming down for solar while costs continue to rise for nuclear, and the U.S. losing out to China in the production of solar cells.
Or maybe Obama finally listened to the U.S. Department of Energy which has claimed solar could indeed power the U.S. economy, dispelling the myth that base load power can only come from large coal, gas, hydro and nuclear power plants. The DOE claims that:
"...photovoltaic (PV) technology can meet electricity demand on any scale. The solar energy resource in a 100-mile-square area of Nevada could supply the United States with all its electricity (about 800 gigawatts) using modestly efficient (10%) commercial PV modules.. The land requirement to produce 800 gigawatts would average out to be about 17 x 17 miles per state. Alternatively, PV systems built in the "brownfields"—the estimated 5 million acres of abandoned industrial sites in our nation's cities—could supply 90% of America's current electricity..."
But whatever caused the change of heart, President Obama has restored a small sense of hope among climate activists that he really will make climate change a focus for him in coming months. It's a small gesture, but in dark times such as these, small gestures can lead to more meaningful and transformational ones. Let's hope this change of heart is one we can believe in.