Friday, June 15, 2012

Saft presents smart Li-ion energy storage solutions for centralized and distributed PV systems


Munich, June 13,  2012  – Saft,  the world’s leading designer and manufacturer of high‐technology
batteries for industry, is presenting its broad portfolio of smart lithium-ion (Li-ion) energy storage
solutions at Intersolar 2012. Visitors to Booth 271 in Hall B3 can see how effective energy storage at
every level from megawatts (MW) to kilowatts (kW) offers important performance, reliability and Total
Cost of Ownership (TCO) benefits across the entire solar energy supply chain.

Saft is highlighting  three main applications for Li‐ion battery  energy storage systems that are now
commercially available: kilowatt scale solutions that maximize the value of distributed residential and
small commercial PV schemes; megawatt scale solutions that make large photovoltaic (PV) installations
predictable and grid compatible; modular solutions targeted at hybrid and off-grid PV systems.

Kilowatt scale energy storage boosts self-consumption in domestic PV systems 
Kilowatt scale energy storage can support the roll‐out of distributed residential and small commercial
renewable energy schemes through the effective time-shifting of power generated during peak
production times ‐ during the middle of the day for PV ‐ to the peak morning and evening demand
times. This both maximizes local consumption and enhances the value of the PV system as only surplus
energy is fed back into the grid.

For grid connected PV installations, which are mainly rooftop mounted, Saft offers the Synerion®  Li-ion
modules that provide around 2 kWh capacity in a compact package that combines high operational
reliability over thousands of variable charge/discharge cycles with outstanding energy efficiency. The
highly scalable Synerion® design, which is the only system with VDE safety certification, has already
proved its capability in the Sol-ion project that is currently introducing Li-ion batteries into PV systems
on the largest scale ever tested in Europe.

Visitors to the stand will see Saft’s latest 48 V Battery system comprising two Synerion® 24M modules
with battery management module (BMM) in a compact, stand-alone cabinet offering 4 kWh nominal
capacity. This and other Synerion® battery solutions will be commercially available in late summer 2012
as fully integrated building blocks within a variety of PV energy conversion systems marketed by Saft
partners.  Thus, Saft’s historical partner in Sol-ion project Voltwerk, a subsidiary of Bosch Power Tec
GmbH, announces roll-out of their VS5 Hybrid system for Q3 2012, expecting strong market demand in
Germany already this year. These systems have undergone thorough testing and qualification to ensure
optimum interfacing of the storage, conversion and PV production systems.

Megawatt scale energy storage makes PV predictable and grid compatible
Megawatt scale energy storage systems are ideally suited for medium to large scale on-grid solar
installations, where the effective implementation of state‐of‐the‐art Li‐ion technology can smooth the
intermittent generation and ramp rates inherent in renewable power sources, making PV predictable
and grid compatible.

For megawatt scale applications, Saft offers Intensium® Max, a ready‐to‐install containerized solution
that provides a complete, fully integrated energy storage system comprising Li‐ion battery modules,
power management and control interfaces, air conditioning and safety devices. Intensium Max is also
used in medium and low voltage grids to provide various grid support functions such as peak
management or voltage support.

New concepts for off-grid photovoltaic systems
Saft’s developing portfolio of storage solutions for off-grid solar power sites includes pioneering hybrid
power schemes in which a Li-ion energy storage system operates in conjunction with both PV panels
and diesel generators to ensure continuity of electrical power. This hybrid approach can enable the
runtime of a genset to be reduced to less than 6 hours a day, which results in significant savings in fuel
consumption (up to 75 percent) while also saving refueling and maintenance costs and reducing CO2

For hybrid schemes, Saft has created the Evolion® 48 V Li-ion module that offers a unique combination
of float charging capability and high cycling performance. The Evolion® concept provides a long cycling
life, deep cycling capability, fast charging, high charge efficiency and high energy  density, while also
being totally maintenance‐free.

About Saft
Saft (Euronext: Saft) is a world leader in the design and manufacture of advanced technology batteries for
industry. The Group is the world’s leading manufacturer of nickel batteries and primary lithium batteries for
the industrial infrastructure and processes, transportation, civil and military electronics’ markets. Saft is the
world leader in space and defence batteries with its Li‐ion technologies which are also being deployed in the
energy storage, transportation and telecommunication markets. Saft’s 4,000 employees present in 19
countries, its 16 manufacturing sites and extensive sales network all contribute to accelerating the Group’s
growth for the future.

Source: Saft Batteries

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