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Silyzer-200 is a PEM based Electrolyser manufactured by Siemens. It is a MW range Electrolyser generating 225 NM3/h and consuming 1.25 MW in process. It is highly dynamic and can switch its production from 10% to 100% in mili seconds.
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Unrestricted / © Siemens AG 2015. All Rights Reserved. siemens.com/hydrogen-electrolyzer
SILYZER 200 (PEM electrolysis system) Sales slides
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 2 PD LD HY S
SILYZER PEM electrolyzer is a key component to
solve the sustainability challenges of today
Yesterday
• demand driven, conventional electrical power generation; negligible share of renew-ables; no storage required
• more than 98% of hydrogen production based on CO2 intensive steam reforming
• global transportation based on gasoline and diesel only
Today
• increasing share of renew-ables; waste of excess energy; mid- and long-term energy storage mandatory
• commitment to CO2 reduction targets, constant growth of hydrogen market
• innovative e-mobility concepts
Solution
• efficient integration of renewables and avoidance of energy waste by making it long-term storable
• CO2 free production of “Green hydrogen” for all industrial requirements and to support sustainable, zero emission transportation solutions
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 3 PD LD HY S
SILYZER completes energy storage portfolio and
supports tailored solutions for all major industries
Large scale storage can only be
addressed by Pumped Hydro,
Compressed Air (CAES) and
chemical storage media like
Hydrogen and Methane
The potential to extend pumped
hydro capacities is very limited
Hydrogen is used in many main
industries as a reductive or
protective gas or is used as an
input in synthesis processes;
onsite hydrogen production is a
promising alternative to
trailer/truck supply
Key Statements
/ Methane
The future CO2-optimized energy scenario will require smart solutions
SILYZER 200
NEW
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 4 PD LD HY S
SILYZER and hydrogen together are an unbeatable
combination to achieve major targets
Optimization of costs
• low OPEX and “total Costs of
Ownership (TCO)” due to
minimal installation efforts,
maintenance-free stacks,
clean and safe operation,
robustness, pressurized mode
until 35 bar, lifetime specified
with more than 80.000 hours
+
Increasing revenues
and turnover
• due to extremely dynamic
operation behavior, SILYZER
can be used as a load within
intelligent energy management
systems (EMS) for the grid
+
Investment protection
• utilization of wind energy
turbines or solar panels
even during forced
curtailment periods due to
grid imbalance increases
operation hours and delivers
hydrogen as a valuable
product further more
+
Environmental protection
• local onsite production of
CO2-free hydrogen without
using hazardous material,
such as caustic potash,
avoids extensive transports
+
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 5 PD LD HY S
SILYZER produces hydrogen as a multi-purpose
energy carrier for industry, mobility and grid services
H2 production: no CO2, independent, efficient , onsite
• Chemical synthesis (e.g. ammonia, fertilizer, methanol)
• Petrochemical processes (e.g. cracking)
• Flat glass, nonferrous metal (protective and reductive gas)
• Food & Beverages (hardening)
H2 application: a sustainable fuel for transport concepts
• CO2 free mobility; Renewable fuel concepts
• Sustainable and pollution-free Public Transport
• Fuel Cell based in-plant logistics (forklifts, floor conveyors)
• Reliable, safe e-mobility: “fast-to-refuel” cars with long ranges
H2 conversion: stabilizes the power grid
• Grid balancing capability (dynamical behavior in milliseconds)
• Optimization of asset utilization in renewable energies
• Storage of medium- and long-term overcapacities (TWh)
• Power-to-hydrogen and Power-to-gas as future key concepts
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 6 PD LD HY S
PEM water electrolyzer technology –
a perfect match with renewable energy requirements
to convert electrical into chemical power
H2 drives the convergence between energy & industry markets
(e.g. fossil, nuclear)
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 7 PD LD HY S
Leading edge features allow a robust, efficient and
safe operation
Feature / Function Benefit
• Dynamic, flexible
behavior; operation
connectable to volatile
power generation
(wind/solar)
• No pre-heating or holding
needed; load ramps not
limited; match with any
gradients; time to reach
power set point: 10 sec.
• Safe and pressurized
operation with up to 35
bar
• No investment for
compressor units necessary;
no further requirements or
safety precautions
• Modular design and
easily expandable up to
20 MW and more;
technical options offered
to achieve all
requirements
• One stop shopping for the
entire project;
• www.siemens.com/hydrogen-electrolyzer
• https://www.youtube.com/watch?v=f-
KgLMvVuUA
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 8 PD LD HY S
Maintenance
No caustic potash
No leaching
No precipitation
Dynamic
Cycles 0 % .. 160 % without
relevant aging
Lifetime
Tentatively less corrosion
Long lasting electrodes Construction
+ Size
High current density
allows compact
construction
+
Pressure
High System pressures
No additional
compression costs
+
+
+
Operating costs
Highest dynamic for lowest
current prices
+
Operability
No inert gas flushing
No protection current
No preheating
+
SILYZER provides best-in-class PEM technology
with a large-scale and industrialized design
+
Modular, scalable
Industrial standards
€
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 9 PD LD HY S
Electrolysis type / principle PEM
Rated Stack Power 1.25 MW
Dimension Skid 6,3 x 3,1 x 3,0 m
Start up time (from stand-by) < 10 sec
Output pressure Up to 35 bar
Purity H2 99.5% - 99.9%
(depends on operation)
H2 Quality 5.0 DeOxo-Dryer option
Rated H2 production 225 Nm³/h
Overall Efficiency (system) 65 – 70 %
Design Life Time > 80.000 h
Weight per Skid 17 t
CE-Conformity yes
Tap Water Requirement 1,5 l / Nm³ H2
Outstanding performance paired with technical
options allows integration in any project scope
Main Technical Data - SILYZER 200
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 10 PD LD HY S
• Location: Mainz-Hechtsheim (DE)
• Three high performance
electrolysis systems with peak
power of 2 MW el. each
(6 MW peak)
• Connection to 10 MW wind-farm
• 1000 kg storage (33 MWh)
• 200 tons target annual output
(Trailer-filling station and injection
into local gas grid)
• Highly dynamic operation over
broad load range (ramp speed
10% per sec.)
Next steps:
Commissioning 1st half 2015
Energiepark Mainz – Project scope and key facts
12.02.2015
Unrestricted / © Siemens AG 2015. All Rights Reserved.
Page 11 PD LD HY S
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