Solar Panels at NASA's Kennedy Space Center

CAPE CANAVERAL, Fla. – A newly constructed solar power facility at NASA’s Kennedy Space Center, Fla., officially is providing electricity to Florida homes. NASA, Florida Power & Light, or FPL, and political leaders commissioned FPL’s Space Coast Next Generation Solar Energy Center on Thursday.

The 10-megawatt solar plant was built by FPL, Florida’s largest utility. It will feed FPL’s electric grid, generating energy for more than 1,000 homes and reducing annual carbon dioxide emissions by more than 227,000 tons.

FPL built a separate 1-megawatt solar power facility at Kennedy as part of this unique public-private partnership between NASA and FPL. That facility has been supplying the space center with electricity since late 2009.

“NASA is a pioneer in the use of solar power for space exploration, so it’s fitting that we’re working with FPL to expand the use and R&D of that renewable energy source at Kennedy where many of those missions were launched,” said Bob Cabana, director of the Kennedy Space Center. “This type of commercial partnership with NASA helps provide Florida residents, and America’s space program, with new sources of green power that reduce our reliance on fossil fuels and improve the environment.”

“Florida is poised to be a leader in America’s growing clean-energy economy, which naturally includes solar power,” said Rep. Suzanne Kosmas of Florida. “Bringing new clean-energy jobs to our communities is one of my top priorities. This joint effort between NASA and FPL is an example of how we can create jobs while investing in common-sense solutions to the economic, environmental and national security challenges we face today.”

The 10-megawatt facility features approximately 35,000 highly efficient solar photovoltaic panels from SunPower Corporation on 60 acres at Kennedy. The panels are 50 percent more efficient than conventional solar panels.

“Like NASA, FPL is looking beyond the horizon. FPL’s Space Coast Next Generation Solar Energy Center is an important part of our state’s clean-energy future, but large-scale solar projects like this one also have a very positive impact on the economy today,” said FPL President and CEO Armando J. Olivera. “Projects like this and our Next Generation Solar Energy Centers in Martin and DeSoto give Florida the opportunity to create and attract clean-energy jobs and produce millions of dollars in new revenue for local governments while reducing greenhouse gas emissions and fighting the effects of climate change at the same time.”

Plans also are being discussed to expand the 10-megawatt facility’s generating capacity to 100-megawatts at another Kennedy location. This expansion of the solar facilities is contingent on regulatory support and the passage of renewable energy legislation at the state level. If proven environmentally and economically feasible, an expansive field of photovoltaic solar panels will be constructed in phases on 500 or more acres of fallow Kennedy agricultural land and integrated into the utility’s grid. A dedicated research and development facility to support continual improvement of solar renewable energy also would be established by SunPower and FPL’s other partners at Kennedy’s upcoming business complex, Exploration Park.

The proposed projects are being pursued under a five-year Memorandum of Understanding entered into by Kennedy and FPL in 2007 to promote jointly developed projects in renewable technologies.

(source www.nasa.gov)

For more information about NASA’s Kennedy Space Center, visit:

http://www.nasa.gov/kennedy

According to the Department of Energy, the annual cost of power outages is approximately $80 billion. Now add to conventional challenges those risks posed by terrorists intent on crippling our economy. Suddenly, the aim of electrical engineers to develop a technology to keep the country’s electrical grid online (and recover faster) really begins to resonate. Taking the juice for granted A single superconducting cable could one day replace a dozen traditional copper cables, freeing up much needed space beneath city streets.

The Science and Technology Directorate (S&T) of the U.S. Department of Homeland Security is currently funding a promising solution—a superconductor cable that would link electrical substations and allow the sharing of excess capacity during emergencies. This generally is not done now, and so a flexibility like this strengthens the resiliency of the overall grid, reducing the likelihood of major power failures. This is S&T’s Resilient Electric Grid project, and the superconducting cable is called an inherently fault current limiting (IFCL) superconductor cable.

Engineers are putting decades of existing electrical research (by industry electricity leaders from American Superconductor, Southwire, and Consolidated Edison) into practice. S&T managers and scientists recently participated in a successful test of the new superconducting technology at the Oak Ridge National Laboratory in Tennessee, as they eye the aging rats’ nest of power cabling under the crowded streets of New York City.

The benefits are simple but profound: these cables can deliver more power, prevent power failures, and take up less physical space. A single superconductor cable can replace 12 copper cable bundles, freeing up more space underground for other utility needs such as water, natural gas, or phone service. The technology is capable of carrying 10 times as much power as copper wires of the same size, while also being able to adapt automatically to power surges and disruptions from lightning strikes, heat waves, and traffic accidents, even sabotage.

“The IFCL superconducting cable being tested could well revolutionize power distribution to the country’s critical infrastructure,” said Dr. Roger McGinnis, Director of the Homeland Security Advanced Research Project Agency at S&T. “Eventually, these technologies will help incorporate localized clean, green electricity generation into the power grid.”

As for the science, the cables work by transmitting electricity with near zero resistance at higher temperatures than usual. But “high” is a relative term among superconductors. The cables conduct electricity at a chill -320°F instead of an icy -460°F for traditional superconductor cables. Holding and conducting energy better than traditional copper means these cables take up a fraction of the space. Manhattan’s electrical workers may be able to eventually clear out the subterranean congestion beneath Wall Street that amazingly, looks much the same today as it did a century ago. Since the cables themselves better prevent extremely high currents from cascading through the system, they will help eliminate the power surges that can permanently damage electrical equipment, similar to a breaker switch in a home, explained McGinnis. The cable switches off during a surge or failure, but automatically resets when conditions return to normal.

For some context, electrical substations take electricity delivered over transmission and distribution lines and lower the voltage so it can be used by homes and businesses. Even if power is lost to an individual substation, by creating multiple, redundant paths for the electric current, the cables allow quick power restoration to all the surrounding power loads. Ultimately, these cables may allow substations that had been intentionally isolated from one another in the past, for fear of cascading failures, to be interconnected in order to share power and assets.

Cutting-edge high temperature superconducting cables have been successfully tested in laboratories, and can be found in a handful of demonstration projects around the country, but they remain an emerging technology. S&T is interested in advancing the technology so that it can be used nationwide, and is pursuing an opportunity to connect two Con Edison
Manhattan substations with the cable. The Department of Homeland Security hopes to enable the Department of Energy and various utility companies around the country to replace more than 2,000 circuit miles of power cables in U.S. cities with resilient, safe, and green IFCL cables.  (Source U.S. Dept. of Homeland Security—Science and Technology)

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