Battery Energy

Storage Systems
Siemens Energy

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 Content

1 2 3 4 5
Siemens Energy Battery Energy Storage
Fundamentals
The Siemens Energy
Offering
Battery Energy Storage
Applications
Selected Project
References

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Siemens Energy
Partner and driver of the energy transition

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 Demographic change
Climate change
are drastically changing
our environment.

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 We
energize
society
by supporting our customers in
transitioning to a more sustainable
world, based on our innovative
technologies and our ability to
turn ideas into reality.

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Siemens Energy
Our businesses

Generation
Transmission

New Energy Business

Industrial Applications

Storage
Renewables

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Siemens Energy
Our decarbonization portfolio

Coal-to-Biomass
Low Carbon / WtE Shift Power from Shore
Gas Turbine and Subsea Grid
Fuels
Thermal Storage Hydro
Next Generation
Integration Power
Waste Heat Grid Access
Recovery Battery
Integrated Low Carbon Biomass /
Integration Geothermal
Heat Hybrid Solutions
ReCycle SeaFloat
Transmission Fuel
Solutions Power-to-Heat for PV and Green Energy
Storage Cells
Plant Flexibility Wind Power
Solutions
Combined Heat Grid
and Power Pipeline Solar Power
Upgrades Stability Power-to-X
Highly Efficient Packages
Brownfield HVDCs
Engine H2 Gas
Gas Carbon
Exchange Turbines Blue Products (SF6 free,
Engines Capture
(co-firing) GHG free transmission)
Off-shore & Marine
Energy & Efficiency Solutions
Coal-to- H2 Gas
Electrolyzers New Energy
Gas Turbines
Highly Efficient Turbines, Turbine / Compressor / Carriers
Shift (100%)
Compressors and Plants Generator Upgrades

Eco Design Plant Performance Wind Zero Carbon Off-shore & Marine
Transformer Optimization Power Hybrid Solutions Net Zero Operations

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Battery Energy
Storage Systems
Fundamentals
Instant and zero carbon supply enabling deep decarbonization

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 Energy storage is the key to
deep decarbonization
Energy Market & Storage Market Trends Battery Energy Storage Systems

Gas-fired Renew able

Increasing energy Increasing share of pow er
BESS2)
energy

demand renewables

Decreasing cost of
storage tech.
Decarbonization + Reliable output
+ Economical
+ Instantaneous
+ Zero Emissions
+ Sustainable
+ Zero Emissions
Increasing demand + Highly efficient + Dispatchable - Not reliable
flexibility - Not Instantaneous - Not continuous

Decentralization Regulations Reliable battery storage systems are required

also on large and medium scale level to combine the
global energy demand and climate protection goals:
Bloomberg energy outlook (NEO2018): • Increased availability of renewable energy sources,
World is on track to miss 2°C warming target due to hence supporting decarbonization
insufficient decarbonization • Supply-Load balancing in case of high share
Even fast coal phase-out combined with more gas and of volatile renewable energy sources
renewables not enough to close the gap • Thus, ensuring a stable grid and further offering multiple
Wind and solar PV1)
cheapest ways of electricity ancillary services
producing worldwide until the 2030s (BNEF) • Higher overall energy system efficiency
through using excess energy
1) Photovoltaics; 2) Battery Energy Storage System SE GP G LRE STO 9
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 BESS1)
A brief overview
F e ature s
Li-Ion based instant and zero
• Containerized solutions, proven technology, manifold references
carbon energy • Scalable from 2 to 500+ MW, grid building inverter technology on
demand
• Can be integrated at any voltage level to power generation units or
substations
• Extreme fast reaction times: <200ms from stand-by to full load
• Emission-free, resistant even against highest load steps, bi-directional
• Operating reliability monitored and secured by state-of-the-art control
systems, remote surveillance
• Various applications, e.g. enhancement of fossil generation, time
shifting, integration of renewables, energy cost control, frequency
regulation, ancillary services
A p p l i c a t io n w i t h
T y p i c a l Te c h n i c a l P a r a m e t e rs
Conventional Power
Hydrogen Power range: 2 – 500+ MW el Discharge duration: 1 – 5 h
Power grids and H2

solutions
Generation RGS
Capacity: 2 – 1.000+ MWhel Energy loss: ~ 1 % / month
Renewable Industrial
Energy Applications
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1) Battery Energy Storage Systems
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The Siemens Energy
Offering
Boost the opportunities of your asset with integrated or
stand-alone battery energy storage

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 Siemens Energy’s BESS portfolio
Customer segments Revenue streams

Decarbonization

Flexibility &
Conv. Generation efficiency

Ancillary Services

Renewables
Capacity Firming

Industrial power
Industrial Applications generation

Siemens Energy provides Virtual grid

expansion

Transmission
systems for all customer needs Decentral power
generation

combined under one roof Electrical peak

Offshore Applications shaving

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Your challenges… … our solutions

No need to cu rta il energy Ma in tain grid s ta bility

If you have a surplus in energy production, With the share of renewables increasing,
Deca rb oniza tion energy storage systems can save it for later. energy storage helps to stabilize the grid.

S ecurity of S up p ly Se cu rin g con tin uous

Fe w e r s tra nded a s sets
opera tion
Storage systems expand conventional power
plants or turn them into energy storage Avoiding operational downtime and penalties
facilities. for non-available service by using energy
CO2 prices storage as back-up power.

Re s ta rt w ith out e xte rnal Ma tch s u pply a n d de ma nd

2 4 / 7 a v a i l a b i li t y power Storage systems help balancing energy supply
On-site batteries enable black-start capabilities and demand.
often required by regulators.

Cur tailment
Ta k e a d v a n t a ge o f h i g h A voiding s u rplus cos ts a n d
energy prices pe n a lt ies
Stored energy can be sold when energy prices Stored renewable energy helps avoiding CO2
Grid instability are higher. prices associated with fossil energy production.

Coal to Gas s hift D i g i t a l o p t i m i z a ti o n Virtu a l power pla nts

With the help of smart digital tools, you can get Energy storage systems can be part of an
the most out of storage facilities. efficient network of power generating units.

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SE BESS match any OEM-technology
Siemens Energy ecosystem Non-SE ecosystem

Unit Control Unit Control

System

Seamless Flexible
integration integration
Component BESS Component BESS
Control System Control System

Our battery energy storage systems are integrable into any OEM-system. This allows you to
take advantage of our high-performance storage systems, while using the maximal degree of
the existing assets.

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 Our concept for supporting you

Project Erection &

Consulting Engineering Service+
Management Commissioning

• Use case analysis • Detailed Engineering incl. • Power, capacity & efficiency • Setting up entire system • Lifetime guarantees
• Feasibility studies Integration into assets and guarantees • Testing • Capacity Maintenance
• Energy System Design infrastructure • Just-in-time delivery • Handover and instruction Plans
• Technology selection • DCS & I&C integration • Overall site execution • Training of Operators • Spare Part delivery
• Financing options in • Innovative concepts for • Turnkey project • One stop diagnostics
collaboration with Siemens space and cost savings, via management • Onsite and remote
Financial Services modularization and high • One-face to the customer maintenance
arrangements for all issues • Predictive maintenance
• Training programs

Siemens Energy is your long-term partner, supporting your projects at any stage. We help you identifying
the appropriate technology for your use case and customize the system aligned to your requirements. Our
support does not stop after developing and commissioning a cost-effective and efficient storage system.
Much more, you will benefit from a predictive maintenance and one stop diagnostic approach ensuring
high performances.

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Battery package hardware scope of an integrated BESS for
utility and industrial applications
BESS Core Electrical and I&C Integration

Transformer Medium Voltage

Battery Cube Inverter
5MVA
Dry type MV & LV switchgear installed Busduct
Including: Prim 690Vac in Power Control Center
• Battery cells, Batt max 1500VDC Second e.g. 11kV LV transformer & distribution connection
modules, racks LV 690VAC Or
• Fire detection & High voltage
Protection
Instrumentation & Controls grid connection
• Battery Management Automation Server (AS) System
System
• HVAC
Controls Centralized I/O cabinets (ET-200) located in PCC
PROFINET field bus network to BESS Group controller
Main Server Rack, Control Software

Erection & Commissioning, logistic, project management, quality, time

Power cables & trays, foundations, civil works, steelworks, grounding

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 Battery Capacity Sankey-Diagram BESS Capacity Design
Available Capacity Capacity

Auxiliaries' consumption Available

(HVAC, Ventilators, capacity
Controls)
Usable
capacity
Required
Battery efficiency (~3%)
capacity
by
Usable capacity PCS efficiency (~1,5%) customer
(~93%) Voltage transformation
efficiency (~2,5%)
BOL EOL Time

Our state-of-the-art technologies reduce the total battery We ensure that your desired capacity is usable
system losses to a minimum. In return, the highest usable among entire lifecycle by compensating the
capacity and highest monetary payback is assured. battery degradation and the efficiency losses.
BOL = Begin of Life; EOL = End of Life; DC = Direct Current; DOD = Depth of Discharge;
MV = Medium Voltage; PCS = Power Conversion System;
HVAC = Heating, Ventilation and Air Conditioning SE GP G LRE STO 17
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Capacity Maintenance
Plan
Capacity Fixed schedule approach
Our experience helps us predicting the
degradation of your BESS over entire Usable
lifetime capacity Additional battery
package Required
Thus, we install additional packages to capacity
ensure that your required capacity is Initial commissioned by
continuously available by fixed schedule battery package customer
Time
BOL Contractual agreed EOL
moment
Capacity
Continuous monitoring of BESS
Condition-based approach
enables a condition-based maintenance Usable
2nd battery nth battery
approach capacity
package package
Required
Thus, additional packages are installed capacity
exactly when needed by
Initial commissioned
battery package customer
Resulting in a higher resource utilization
Time
BOL EOL
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SE’s battery supervision
and safety features

Autonomous S ys tem BM S 1)
BMS is fully self-sufficient and Automized control of charging and
autonomous, thus no interaction by discharging behavior. Further,
customer required. avoiding overload & deep discharge
of each battery cell.
Batte r y Dam age

Monitoring O p t i m i z a ti on
Intuitive and continuous monitoring Balancing cells for capacity
and visualization of battery maximization by ensuring equal
condition. voltage level and state of charge.

T h e r m a l R u n a w ay S afety Features Smar t Sizing

Battery Package including smart BES facilities are tailor-designed
safety features such as fire for operation within nominal
detection. area.

1) Battery Management System

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Scalable design1)
Power Capacity
The more inverter units, the The more battery units, the
higher the power level higher the energy level

Offering the most appropriate

system depending on your
needs

Modularized units enable cost-

effective overall system sizing

Modules can be combined to

any system specifications in
terms of power and capacity
range

Inverter Battery cells

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1) Schematic representation
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BESS Modularization

Modul 1 Modul 3
2MW / 2MWh 4MW / 8MWh
C-rate = 1 C-rate = 0,5
1 x 2,5 MVA inverter/ transformer 1 x 5 MVA inverter/ transformer
20` PCC incl. MV/LV and I&C 2 x 40` PCC incl. MV/LV and I&C

Standardization and
modularization to
minimize engineering
efforts and project risk

Modul 2 Modul 4
4MW / 4MWh 4MW / 16MWh
C-rate = 1 C-rate = 0,25
1 x 5 MVA inverter/ transformer 1 x 5 MVA inverter/ transformer
2 x 20` PCC incl. MV/LV and I&C 2 x 40` PCC incl. MV/LV and I&C

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BESS Modularization – Low Level Arrangement
Standardized approach to minimize engineering and risk

Application example:

4x Modul 2
4MW / 4MWh
C-rate = 1
1 x 5 MVA inverter/ transformer
2 x 40` PCC incl. MV/LV and I&C

Standardized approach to cover

every required power and capacity
requirement

Standardization enables simple plant

extension in future, by using same
modules

Defined boundaries, layout and BOQ

to limit engineering effort and
project risks

1
1x module 2 SE GP G LRE STO 25
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High Level Arrangement

Reduction of up to 2/3 of
BESS footprint

Modular steelwork and civil

design to allow quick erection
& commissioning and reduce
manpower on site

Available for Modul 2, 3 and 4

and any kind of project size

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Battery Energy
Storage Applications
Our Battery Energy Storage Systems are tailor-designed
for each application and every need

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 I m p rovements o f
SIESTART™
Black-Start capability + Grid Services + OPEX Environment Flexibility Power Revenue

Optimization B e ne fi ts
▪ Black-Start capability + Grid Services + OPEX Optimization
Green- or Brownfield
▪ Additional revenue streams due to grid services (e.g. PFR)
conventional power
generation asset ▪ Extend plant capability and flexibility (e.g. fast ramp rates)
▪ Cost Reduction (e.g. Auxiliary Power Coverage)
Grid ▪ Reduced CO2 emissions
MV Level
Or bus duct
Generator Gas Turbine
Ty p i c a l P o w e r / C a p a c i t y – L o s s e s & D u r a t i o n
Transformer
▪ Power: 2 – 100MW (up to >500MW)
Inverter ▪ Capacity: 2 – 200MWh (up to >1000MWh)
▪ Standby Losses: ~ 1% / month
▪ Discharge Duration: Typically 1 - 5h

Renewable
Ty p i c a l f o o t p r i n t
Energy
▪ 1MWh ~ 25 - 50m² (ground level arrangement)
▪ 1MWh ~ 12 - 25m² (multi-level arrangement)

RTE>85%
Battery Energy Ty p i c a l p r o j e c t l e a d t i m e
Storage System
S E c o n t r i b u ti o n s • 10 – 16 months
+ Transformer + Project execution
+ I&C Integration + System design Re fe re nc e s
+ Power Control Centre (MV) + Storage Integration Engineering
+ Cabling / Steelwork + Integration into
+ Electrical Integration customer infrastructure
+ Erection & Commissioning Reference 1 Reference 2 Reference 3
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 SIESTART™
Optimized performance and new opportunities for grid, ancillary
services and turbine operations

Power
Plant max. load

Peaking power
Fast start,
response Frequency response
within < 200ms PFR + SFR Islanding, off-
grid

BESS Fast ramp-up and Island load

rated power Fast start, ramp-down
stress reduced support
Min. environ-
mental load

SIESTART™ system operation line i.e. GT + BESS GT operation line Time

Black Start of a conventional generation asset: Black Start Reserved Capacity

The black start of a generation asset requires a defined capacity.
This capacity needs to be reserved permanently. To allow additional
Black Start Reserved Capacity Other Service
revenue streams by BESS the capacity need to be extended.

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 SIESTART T M SIESTART T M
O PE X O p t i mi zati on → Cost decrease G r i d S e r vi c e s → Revenue increase

Aux iliar y P ower P rovid e S tar t - up C a p a c i t y M a r ke t Reg ula tion

Coverage L oad s Battery can deliver additional energy Instant battery ramp rate increases
Optimize auxiliary power supply, Supply start-up loads from battery to capacity to the grid to maximize revenue from regulation market
revenue. independent of GT operation.
which needs to be imported from eliminate grid dependency and
the grid during standstill of the energy costs to start
plant
Energy Arbitrage Fa s t w a r m u p Bla ck S ta r t S p inning Res er ve
Charging the battery during off- Shorten of ST warmup by use of Battery provides power to start gas Battery is synced to grid and provides
peak periods and discharging Battery before speeding up. turbine with no external (grid) output quasi instantly
during on-peak periods. power supplied

Avoid S tar t - up Cos ts Recup era tion Increased Operating Enhanced Peaking
Replace low load / short duration GT Steam Turbine/gas turbine coast Ra ng e The battery provides power on top of
starts with the battery resulting in down energy re-use. Enables plant to offer output higher GT output to meet a peaking need or
reduced start-up costs, fuel than baseload and lower than respond to scarcity pricing.
consumption and emissions minimum turndown by using the
battery as a source and sink

Extended Grid Ba la ncing Fa s t S t a r t

Tu r n d o w n Ser vices Battery output is available
Charge the battery with GT at min immediately, bridging the gap
Provide grid balancing services by between grid demand and gas
load to reduce power supplied to delivering or consuming MWs
turbine start-up
grid
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 I m p rovements o f
BES-System1)
PV + Storage Environment Flexibility Power
Availability Revenue

B e ne fits
▪ Extend plant capability and flexibility – Avoid curtailment
▪ Capacity firming – Enable discharge in time no sun is available /
Transformer Inverter avoid drops during clouds
MV Level ▪ Capacity payment – Participate in capacity/ grid service market
PV
Grid
Typ ic al P o we r / C ap ac ity – L o s ses & D uratio n
Inverter
▪ Power: 2 – 100MW (up to >500MW)
▪ Capacity: 2 – 400MWh (up to >1000MWh)
▪ Standby Losses: ~ 1% / month
▪ Discharge Duration: Typically 1 - 5h

RTE>85%
Typ ic al f o otprint
Battery Energy ▪ 1MWh ~ 25 - 50m² (ground level arrangement)
Storage System
S E c o n t r i b u ti o n s ▪ 1MWh ~ 12 - 25m² (multi-level arrangement)
+ Transformer + Project execution
+ I&C Integration + System design
+ Power Control Centre (MV) + Storage Integration Engineering Typ ic al p ro ject le ad tim e
+ Cabling / Steelwork + Integration into • 10 – 16 months
+ Electrical Integration customer infrastructure
+ Erection & Commissioning + HV connection
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 BES-System: Optimized performance and new opportunities
for grid, ancillary services and Photovoltaic operations

Frequency response Charge to Battery

Power
PFR + SFR Avoid curtailment
Plant max. load

max. curtailed
power output

Fast start, Capacity

response Capacity
Firming Peak Firming
within < 200ms Discharge from Power
BESS
BESS
rated power

Grid
restauration BES-System1) operation line i.e. PV + BESS PV operation line Time

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 BESS + Phot ovol t ai c BESS + Phot ovol t ai c
O PE X O p t i mi zati on → Cost decrease G r i d S e r vi c e s → Revenue increase

Aux iliar y P ower Energy Arbitrage Reg ula tion Grid Ba la ncing
Coverage Charging the battery during off- Instant battery ramp rate increases Ser vices
Optimize auxiliary power supply, peak demand periods and revenue from regulation market
discharging during on-peak independent of RE sources Provide grid balancing services by
which needs to be imported from delivering or consuming MWs
demand periods. operation.
the grid during standby of the
plant

Grid Bu ild ing S p inning Res er ve

Cap acity Firming Battery provides power to build up Battery is synced to grid and provides
Charging the battery during peak island grid output quasi instantly
periods of RE power and
discharging during off-peak
periods of RE Power (e.g. night).
Increased Operating Enhanced Peaking
Ra ng e The battery provides power on top of
Enables plant to offer output higher RE output to meet a peaking need
than peak load and lower than
minimum turndown by using the
battery as a source and sink

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 I m p rovements o f
BES-System1)
Industrial Application Environment Flexibility Power
Availability Revenue

B e ne fits
▪ Extend plant capability and flexibility
Transformer ▪ Capacity firming – Avoid peak demand payments
▪ Capacity payment – Participate in capacity/ grid service
MV Level
market
Industrial site
Grid
Typ ic al P o we r / C ap ac ity – L o s ses & D uratio n
Inverter
Optional ▪ Power: 2 – 100MW (up to <500MW)
▪ Capacity: 2 – 200MWh (up to <1000MWh)
▪ Standby Losses: ~ 1% / month
Renewable ▪ Discharge Duration: Typically 1 - 5h
Energy

Typ ic al f o otprint
RTE>85% Battery Energy ▪ 1MWh ~ 25 - 50m² (ground level arrangement)
Storage System
S E c o n t r i b u ti o n s ▪ 1MWh ~ 12 - 25m² (multi-level arrangement)
+ Transformer + Project execution
+ I&C Integration + System design
+ Power Control Centre (MV) + Storage Integration Engineering Typ ic al p ro ject le ad tim e
+ Cabling / Steelwork + Integration into • 10 – 16 months
+ Electrical Integration customer infrastructure
+ Erection & Commissioning + HV connection
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 BES-System: Optimized performance and new opportunities
for grid, ancillary services for industrial operations

Power Peak Shaving

High demand
Peak Shaving Backup Power
Fast start, Low demand
response
within < 200ms

Frequency response
BESS PFR + SFR
rated power

Time
Power Supply from grid

Battery system operation line

Power Demand

Average Demand

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 BESS i n Indust r y BESS i n Indust r y
O PE X O p t i mi zati on → Cost decrease G r i d S e r vi c e s → Revenue increase

Aux iliar y P ower P rovid e S tar t - up C a p a c i t y M a r ke t Reg ula tion

Battery can deliver additional energy Instant battery ramp rate increases
Coverage L oad s capacity to the grid to maximize revenue from regulation market
Optimize auxiliary power supply, Supply start-up loads from battery to revenue. independent of GT operation.
which needs to be imported from eliminate grid dependency and
the grid during standstill of the energy costs to start
plant
Grid Ba la ncing
Energy Arbitrage Peak Shaving
Ser vices
Charging the battery during off- The battery provides power on top of
peak periods and discharging GT output to meet a peaking need or Provide grid balancing services by
during on-peak periods. respond to scarcity pricing. delivering or consuming MWs

Extended Bla ck S ta r t
Tu r n d o w n Battery provides power to start gas
turbine with no external (grid)
Charge the battery with GT at min
power supplied
load to reduce power supplied to
grid

Fa s t S t a r t Increased Operating
Battery output is available Ra ng e
immediately, bridging the gap Enables plant to offer output higher
between grid demand and gas than baseload and lower than
turbine start-up minimum turndown by using the
battery as a source and sink SE GP G LRE STO 36
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Selected Project
References
Siemens Energy has a proven track-record and is known
for meeting the highest standards in the energy sector.

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REFERENCE CLEARWAY ENERGY INC., ANTIOCH, CALIFORNIA | JANUARY 2021 Press release

Black start with use of batteries

Marsh Landing, North America

Customer Challenge/Driver
• Flexible generation due to renewable penetration in energy mix
• Restart electricity flow to auxiliary systems in the case of an outage or
blackout situation

Portfolio Elements
Battery Energy Storage System (BESS), transformers, switch gear,
electrical, civil and structural engineering and control system modifications

Scope
Our role: solution provider w/ engineering, procurement and construction
Customer: Clearway Energy Inc., North America

Customer Benefit

• Carbon-neutral way to (re-)start one generator unit

• Up to three attempts within one hour to restart one unit
• Grid reliability in the Bay Area
• Grid re-energization in the event of an outage
PROJECT TYPE
Low Carbon Solution

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REFERENCE STADTWERKE LEIPZIG, GERMANY | NOVEMBER 2020 Press release

Siemens Energy providing Leipzig

with a climate neutral power supply

Customer Challenge/Driver
• Make power and district heating independent from lignite power/heat and
serve the strategy to decarbonize the city of Leipzig
• Battery solution contributes to decarbonization journey by providing black
start capabilities and improving grid stability

Portfolio Elements
Two SGT-800 gas turbines, two SGen-100A generators,
SIESTART Battery energy storage solution

Scope
Our role: solution provider w/ engineering, installation and commissioning
Customer: Stadtwerke Leipzig

Customer Benefit
• Enabling start-up independently of an external power supply (black start)
• Contributing to a more reliable grid by providing non sync. grid stabilization
• Reduced CO2-emissions compared to black start diesel or gas motors

PROJECT TYPE
Decarbonization Journey

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REFERENCE ESTRELLA DEL MAR III, SANTO DOMINGO DOMINICAN REPUBLIC |
Press release
PROJECT START 2018

Hybrid power plant solution with

integrated battery energy storage

Customer Challenge/Driver
Intensive costs for land acquisition; land scarcity, Reduce country
risk, Long duration of permitting process

Portfolio Elements
SCC6-800 2x1 Barge + SIESTART Battery Solution

Scope
Our role: Power Island
Partner: ST Marine for Barge, Owner for site preparation

Customer Benefit
• Enabling frequency regulation control while constant power plant load
• Providing grid services even during plant shutdown
• Reduced CO2-emissions compared to black start diesel or gas motors
• Enabling start-up independently of an external power supply (black start)

PROJECT TYPE
SeaFloat, Fuel Switch

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REFERENCE BASF Schwarzheide GmbH, GERMANY | July 2019 Press release

Siemens Energy modernizing

industrial power plant with key
components
Customer Challenge/Driver
• Depending on maximum availability of industrial power plant and need for
quickly responding to fluctuations in power demand
• Reducing emissions

Portfolio Elements
SGT-800 gas turbines
SIESTART Battery energy storage solution

Scope
Our role: solution provider w/ engineering, installation and commissioning
Customer: BASF Schwarzheide GmbH

Customer Benefit
• Enabling start-up independently of an external power supply (black start)
• Reduced CO2-emissions compared to black start diesel or gas motors
• Enabling island operation to ensure an independent power supply when
needed

PROJECT TYPE
Low Carbon Solution

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List of Abbreviations
Abbreviation Explanation Abbreviation Explanation
AS Automation Server Li Lithium
BES Battery Energy Storage LRE Large Rotating Equipment
BESS Battery Energy Storage System LV Low Voltage
BMS Battery Management System ms milliseconds
BNEF Bloomberg New Energy Finance MV Medium Voltage
BOL Begin of Life MW Megawatt
CO2 Carbon-Dioxide MWh Megawatt-hours
DCS Distributed Control System NOx Nitric oxide
e Electrons OPEX Operational Expenditures
EC Erection & Commissioning PAC Preliminary Acceptance
EOL End of Life PCC Power Control Centre
EV Electrical Vehicle PFR Primary-Frequency-Response
FERC Federal Energy Regulatory Commission PV Photovoltaics
GT Gas Turbine RTE Round Trip Efficiency
HVAC Heat, ventilation and air conditioning SE GT Siemens Energy Gas Turbines
I&C Instrumentation & Controls SFR Secondary-Frequency-Response
I/O Input / output SLD Single Line Diagram
ITC Investment Tax Credit ST Steam Turbine
kV Kilovolts US United States
LFP Lithium ferrophosphate
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Contact page

Published by Siemens Energy

Thorben Fohrmann
Strategic Analyst for Energy Storage
SE GP G LRE STO
Rheinstraße 100
45748 Muelheim an der Ruhr
Germany
Mobile: +49 (0) 172 6148051
thorben.fohrmann@siemens-energy.com

siemens-energy.com

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