Mature technology for 400 MW class CCPP

SGT5-4000F packages Mature technology for 400 MW class CCPP

Standardized packages with pre-defined options Flexibility to match customer- and site-specific needs x SGT5-PAC 4000F Power output 298 MW G Efficiency 39.8 % Components SGT5-4000F, SGen5-1000A Options to meet individual customer requirements x G SCC5-PAC 4000F 1S Power output 426 MW Efficiency 58.5 % Components SGT5-4000F, SST5-3000, SGen5-2000H Stack Dual fuel Cold ambient (anti icing) Arid ambient (fin fan) x SCC5-PAC 4000F MS 2x1 Hot ambient (evap cooler)* G Power output 853 MW x G G Efficiency 58.6 % Components 2x SGT5-4000F, SST5-5000, 3x SGen5-1000A * Customized option, requires additional engineering Page 2 1. June 2013 SGT5-4000F

Best value for money Siemens 4000F Packages offer best value for money. The robust component design and service-friendliness ensure world-class reliability and availability, proven by a large operating fleet experience. Their high operating flexibility and the cost-optimized Package design make 4000F Packages first choice for a wide range of applications. Page 3 1. June 2013 SGT5-4000F

SGT5-4000F: Proven design features for highest operational benefits Annular walk-in combustion chamber, individually replaceable heat shields 24 Dry low-no x hybrid burners, operation with gaseous and liquid fuels Four-stage turbine with film cooling, thermal barrier coatings for cooling support with ceramics Proven rotor design for fast start capability (Hirth serration, central tie rod, internal cooling air passages) 15 stages compressor Hydraulic Clearance Optimization for reduced clearance losses and active clearance control Page 4 1. June 2013 SGT5-4000F

SGT5-4000F: Unique rotor design ensures advanced operational flexibility Smooth running and low thermal stresses under all operating conditions Single tie bold rotor with Siemens Hirth serration achieves highest mechanical stability and self-centering with thermal flexibility Smart inner extraction cools rotor at most-loaded parts, rotor internal flow passages for quick thermal response by reduced BoP complexity Advanced operational flexibility Page 5 1. June 2013 SGT5-4000F

SGT5-4000F: Advanced combustion concept ensures optimal operations and maintenance Flashback-free hybrid burners capable of gas and dry oil operation Lifetime stable combustion with uniform temperature distribution Cooling air reduction combustion Field-proven and easily replaceable heat shields, changed only when necessary Annular walk-in chamber Flexible and reliable Service friendly Shortest minor inspection times Compliance with emission regulations Page 6 1. June 2013 SGT5-4000F

Siemens Hydraulic Clearance Optimization (HCO) for performance increase Unique active clearance control system Rotor hydraulically shifted toward compressor decreases turbine clearances Failure safe and retrofitable system Performance increase up to 2 MW in simple cycle, 3 MW in CCPP Efficiency improvement up to 0.3 % pts. in SCPP and up to 0.2 % pts. in CCPP Page 7 1. June 2013 SGT5-4000F

SST5-3000 for single-shaft applications Most compact and cost-effective design Two casing design (H-IL) with combined intermediate and low pressure part Used in single-shaft applications Modular design concept Compact and fully preassembled 95 turbines with a total power output of 12 GW in operation or commissioning Large variation of back pressure Reducing assembly effort and installation times at site Large operational experience Page 8 1. June 2013 SGT5-4000F

SST5-5000 for single- and multi-shaft applications Highly efficient and universally applicable Two casing design (HI-L) with combined high and intermediate pressure part Used in single- (cold ambient) and multi-shaft (1S and MS) applications Modular design concept Various LP exhaust configurations (single side/double side/down exhaust) 87 turbines with a total power output of 20.4 GW in operation or commissioning Wide range of applications: industrial heating, HP extraction, district heating Support for different arrangements Large operational experience Page 9 1. June 2013 SGT5-4000F

SGen5-1000A for multi-shaft applications Most economical and simplified design Generator capacity up to 350 MVA Air-cooled generator Base frame mounted 122 generators in operation or commissioning High efficiency Simplified installation Suitable for outdoor installation Field-proven generator design Page 10 1. June 2013 SGT5-4000F

SGen5-2000H for single-shaft applications Preferred choice for large outputs Generator capacity up to 560 MVA Hydrogen-cooled two-pole generator Carbon elements Uniform temperature profile 62 generators in operation or commissioning Minimal seal oil with improved emergency operating characteristics High reliability Simplified installation and maintenance Field-proven generator design Page 11 1. June 2013 SGT5-4000F

Sustainable Performance Since introducing the SGT5-4000F in the market in 1996, you can rely on retrofitable, evolutionary enhancements. Individual service upgrades allow you to quickly respond to changing market requirements. Our consistent, comprehensive Long Term Maintenance programs (LTP) balance your lifecycle costs to get the maximum out of your Gas Turbine Package. Page 12 1. June 2013 SGT5-4000F

Evolutionary upgrade steps ensure reliable and retrofitable enhancements at any time 3rd compressor upgrade (CMF++) Adjusted pressure ratio 295MW / 39,8% 2nd compressor upgrade (CMF+) combustor cooling air saving HCO, FGP Cooling air reduction 287 MW / 39.5 % 292 MW / 39.8 % 1st compressor upgrade 240 MW / 37.0 % 266 MW / 38.6 % Upgrades are retrofitable Further upgrades are in development 1996 Market introduction 2000 1st upgrade 2004 2nd upgrade 2008 3rd upgrade 2010 4th upgrade 2012 Siemens continues to invest in retrofitable upgrades of its existing fleet Page 13 1. June 2013 SGT5-4000F

Latest engines feature solutions supporting a highly flexible operating regime Standard solutions for advanced flexibility already implemented in latest SGT5-4000F Optional service upgrade solution Turn Down Reduction of minimum, emission compliant part load by defining a new close position set point for Inlet Guide Vanes in part load operation Advanced Stability Margin Controller Increased combustion stability through monitoring combustion acoustics and combustion stability control Turn Up Increased gas turbine peaking capability by defining a new set point for Inlet Guide Vane open position in peaking operation with gas turbine load of ~101.5 % Benefit More operational flexibility Benefit Increased availability Benefit Flexible peak load operation and standard operation closer to base load As of September 2012, all service upgrades are available for all engine versions Page 14 1. June 2013 SGT5-4000F

Service agreements securing balanced life cycle costs Short term budget focus versus long term value focus Transactional Customer benefit from close relationship to OEM Expanded OEM scope/risk Program business Service agreements Value driven Operation & Maintenance O&M Scope alternatives: O&M with pass through accounts Long Term Maintenance Program LTP Full scope maintenance Long Term Maintenance Program with resident engineer Repair Outage services Combinations possible To address individual customer needs > 320 LTP contracts with > 176,000 MW in place Parts OEM commitment to deliver value Page 15 1. June 2013 SGT5-4000F

Service plan SGT5-4000F: Inspection schedule for planned maintenance Typical inspection schedule (base load): 25 keoh Interval HGPI Major HGPI Major 8333 16666 25000 33333 41666 50000 58333 66666 75000 83333 91666 100000 Minor Minor Minor Minor Minor Minor Minor Minor Inspection types: Minor Inspection Hot Gas Path Inspection (HGPI) Major Inspection M Manhole / E Endoscope port M: Visuell inspection via manhole E: Endoscopic inspection No casing removal necessary Outer turbine casing removal Minor inspection scope Certain hot gas parts replacement Combustor casing lifting & compressor opening HGPI inspection Removal & unstacking of rotor Page 16 1. June 2013 SGT5-4000F

Successful projects satisfied customers More than 240 units installed worldwide this is what really counts! Page 17 1. June 2013 SGT5-4000F

Siemens 50 Hz F-class technology Unmatched availability and reliability all over the world 60 % market share with proven performance worldwide Siemens F-class technology Launch in 1996 Fleet status > 240 units installed Operating experience > 8,600,000 EOH Lead unit > 126,000 EOH Availability achieved up to 96.9 % Reliability achieved up to 99.6 % Countries with Siemens 50Hz F-class technology Page 18 1. June 2013 SGT5-4000F

Gas turbine SGT-4000F series Installations worldwide SGT5-4000F: 317 units under contract 250 200 150 241 units operating (incl. Nov. 2012) Licensed maschines 20 Lead unit EOH 126,000 Total EOH 8,615,000 100 50 0 Page 19 1. June 2013 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 SGT5-4000F Year of initial operation SGT5-4000F: Reliability* = 98.8 % Availability* = 95.5 % (* 12 Month rolling Avg. Nov 2012)

Backup Page 20 1. June 2013 SGT5-4000F

Project support: principles of the Technical Field Assistance (TFA) concept Siemens responsibilities Attending regularly scheduled meetings Providing interpretation of Siemens technical documents, including corresponding clarification Informing and advising the customer of any identified errors and/or omissions Observing specified work practices and procedures Participating in mandatory check/test steps ( hold points ) Coordinating resolution of any issues associated with the equipment TFA EPC s responsibilities All construction, installation and commissioning work shall be performed by the customer by means and timely provision of: Project-specific erection and commissioning manuals Complete site organization, management, control and coordination Efficient quality assurance organization and management Sufficient number of skilled, trained and experienced construction, installation and commissioning personnel Provision of tools & instruments Page 21 1. June 2013 SGT5-4000F

Optional project support for LTP customers Online Remote Diagnostics Power Diagnostics Centers Erlangen Muelheim Berlin Orlando Scope Benefit Experience Monitoring of turbines via diagnostic centers with Siemens experts Support during erection and commissioning by data feedback and response Support during operation by avoidance of forced outages by detection of possible engine failures before they occure Service support for O&M and LTP during turbine life cycle, e.g. outage planning by Siemens experts Reliable and faster erection & commissioning Increased plant availability Data Center provides turbine data of over 2,000 operation years Immediate competent customer support by entire Siemens engineering Page 22 1. June 2013 SGT5-4000F

Turbine Diagnostics System WIN_TS for entire turbine-generator Vibration analysis Air inlet filter clogging Turbine stress evaluation End winding vibration GT operation statistics Acoustic analysis Partial discharge GT startup parameter Bearing temperature Temperature distribution WIN_TS Functions Operating-hour counter GT thermodynamics Operating logs Pre-event recorder Vibration range monitoring Pattern recognition All diagnostic technologies integrated into one diagnostic platform Page 23 1. June 2013 SGT5-4000F

Gas turbine modernization and upgrades: Turn Down upgrade benefits The hardware scope generally contains: New Inlet Guide Vane position sensor with extended operating range Modification of Inlet Guide Vane ring (incl. new scale and new bolts for bearing blocks) New linearization unit for Inlet Guide Vane* I&C modifications (software modification and additional logics) Engineering and Field Service activities generally contains: Assembly of the hardware scope Detailed engineering and implementation of I&C modifications related to the gas turbine Gas turbine re-commissioning * Depending on site specific configuration Page 24 1. June 2013 SGT5-4000F

Gas turbine modernization and upgrades: Turn Down upgrade benefits Power CO limit CO = constant P Use TD Part load OTC (~ constant) Low emissions OTC A higher turbine outlet temperature at part load leads to increased combined cycle efficiency. Legend: IGV Inlet Guide Vane OTC Corrected Turbine Outlet Temperature TD Turn Down (Note: This is an exemplary graphic only, individual results may vary.) Increased combined cycle efficiency in extended part load operation (Turn Down) Increased power range for low emissions and almost constant turbine outlet temperature These advantages are based on: New set point for close position of Inlet Guide Vane in part load operation Reduced minimum compressor mass flow Page 25 1. June 2013 SGT5-4000F

Gas turbine modernization & upgrades Turn Up main facts and scope Turn Up refers to opening the Inlet Guide Vane base load design position Increase of the maximum position of the inlet guide vane for T4 compressor by 6 Compressor mass flow increase up to 2.7 % Page 26 1. June 2013 SGT5-4000F

Gas turbine modernization and upgrades: Turn Up upgrade benefits GT 4 MW 4 MW Turn Up Legend: Starting point with standard configuration Starting point with Turn Up Base load 96 % 97.5 % 100 % ~101.5 % GT load Maximal load with Turn Up Operation closer to base load Power benefit of 4 MW gas turbine load and up to 6 MW in combined cycle load Page 27 1. June 2013 SGT5-4000F

Gas turbine modernization and upgrades: asmc advanced Stability Margin Controller Main facts & scope ARGUS Expertise in combustion acoustics enables integration of analysis into controls Combustion acoustic closed loop control Analysis of combustion behavior by Argus system Evaluation of Argus signals and closed loop adaption of control parameters Real time adjustment to changing gas quality, ambient conditions and load Page 28 1. June 2013 SGT5-4000F

Gas turbine modernization & upgrades asmc advanced Stability Margin Controller Upgrade benefits Increased availability Prevention of potential combustion instability related trips Reduction of acceleration related unloading events Less inspections, increased availability Prevention of low frequency dynamics and related stress to exhaust diffusor and boiler Page 29 1. June 2013 SGT5-4000F

Vast fleet experience worldwide, PR installations EUROPE 34 ARMENIA 1 CZECH REPUBLIC 2 GERMANY 1 ITALY 1 TURKEY 6 RUSSIA 23 ASIA 100 BANGLADESH 2 BELARUS 4 CHINA 35 INDIA 3 INDONESIA 1 AMERICA 46 CANADA 5 USA 29 MEXICO 1 ARGENTINA 3 CHILE 1 VENEZUELA 7 JAPAN 2 SOUTH KOREA 5 THAILAND 1 IRAQ 16 JORDAN 2 LIBYA 13 SAUDI ARABIA 10 UNITED ARAB EMIRATES 6 Page 30 1. June 2013 SGT5-4000F

Disclaimer This document contains forward-looking statements and information that is, statements related to future, not past, events. These statements may be identified either orally or in writing by words as expects, anticipates, intends, plans, believes, seeks, estimates, will or words of similar meaning. Such statements are based on our current expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are beyond Siemens control, affect its operations, performance, business strategy and results and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise, among others, from changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed information about certain of these factors is contained in Siemens filings with the SEC, which are available on the Siemens website, www.siemens.com and on the SEC s website, www.sec.gov. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which differ from those anticipated. Trademarks mentioned in this document are the property of Siemens AG, it s affiliates or their respective owners. Page 31 1. June 2013 SGT5-4000F