Video from Siemens and Synaptic Digital: Siemens Powers El Segundo Energy Center with Nation's 2nd Flex-Plant

Video from Siemens and Synaptic Digital: Siemens Powers El Segundo Energy
Center with Nation's 2nd Flex-Plant

California, Sept. 16, 2013 (GLOBE NEWSWIRE) -- • El Segundo Energy Center in
California officially dedicated

• Two Flex-Plant™ combined cycle power islands from Siemens Energy

• 550 megawatts (MW) of efficient and flexible electricity

• 300 megawatts (MW) in less than 10 minutes

• Powering approximately 450,000 homes in California

NRG Energy Inc. and Siemens Energy Inc. dedicated the El Segundo Energy Center
located near Los Angeles, California, on September 12th. This is the second
Flex-Plant to open in California after the nation's first in Lodi, that went
into commercial operation last year. Siemens Energy has supplied and
commissioned the two Flex-Plant combined cycle power islands. The two units
produce 550 megawatts (MW) of efficient and flexible electricity to the
California grid - enough to supply power to approximately 450,000 homes.

See video from Siemens and Synaptic Digital:

Owned and operated by NRG Energy, El Segundo Energy Center is an
environmentally compatible, combined cycle solution for peaking and
intermediate load. With the SGT6-5000F gas turbines as their main drivers, the
two units can generate 300 megawatts (MW) in less than 10 minutes, allowing
the plant to back up intermittent renewable power generation, such as wind and
solar power, to maintain a steady, consistent and reliable supply of power to
the grid. Compared to a traditional simple cycle plant, the Flex-Plant 10 has
higher efficiency and lower emissions, which makes it a cleaner solution for
peak to intermediate-duty cycles.

"NRG and the state of California today moved one step closer to realizing a
greener future in California," said Martin Tartibi, Executive Vice President
Energy Solutions Americas. "Siemens Flex Plant 10 technology, is on the
leading edge of where power generation in America is going in the future -
fast, flexible and environmentally friendly."

At the core of the Flex-Plant 10 is an SGT6-5000F gas turbine, integrated with
a single-pressure, non-reheat bottoming cycle. Together with an air-cooled
heat exchanger for steam condensing, the Flex-Plant 10 provides a net
efficiency of nearly 49 percent, making it much higher in efficiency than
conventional simple cycle solutions. This plant is also environmentally
friendly, as compared to conventional combined cycle technology with a
reduction of 95 percent of CO start up emissions and low water consumption.
Additionally, the fast start capability makes it well suited to stabilize the
grid and balance fluctuating renewable power generation.

In addition to having a small environmental footprint, the Flex-Plant 10 at El
Segundo was optimized for the site size constraints. This also supported
parallel demolition and construction efforts saving project schedule and cost.

For El Segundo, Siemens delivered two power islands - each featuring the main
components, an SGT6-5000F gas turbine, an SST-800 steam turbine, an
SGen6-1000A generator, an SGen6-100A-2P generator as well as a heat recovery
steam generator and an air-cooled heat exchanger - along with the complete
electrical equipment and the SPPA-T3000 power plant instrumentation and
control system. Siemens also provided the engineering services and
commissioning of the plant.

"Flex Plants with fast start technology are an environmentally friendly
solution to seamlessly integrating renewable power into the grid. As a result
of this project, the El Segundo Energy Center will be able to provide
Californians with 550MW clean energy for decades to come," said John Chillemi,
President of NRG Energy's West Region. "With Siemens as our partner, we were
able to meet the challenges of permitting, constructing and operating in a
highly populous and visible beach community in the South Bay Southern
California area."

Contact for journalists:

Siemens AG, Media Relations

Claire Hassett, phone: 202-368-3854


Siemens AG(Berlin and Munich) is a global powerhouse in electronics and
electrical engineering, operating in the fields of industry, energy and
healthcare as well as providing infrastructure solutions, primarily for cities
and metropolitan areas. For over 165 years, Siemens has stood for
technological excellence, innovation, quality, reliability and
internationality. The company is the world's largest provider of environmental
technologies. Around 40 percent of its total revenue stems from green products
and solutions. In fiscal 2012, which ended on September 30, 2012, revenue from
continuing operations totaled €78.3 billion and income from continuing
operations €5.2 billion. At the end of September 2012, Siemens had around
370,000 employees worldwide on the basis of continuing operations. Further
information is available on the Internet at: Follow us
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CONTACT: Siemens AG, Media Relations
         Claire Hassett, phone: 202-368-3854

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