1. Instrumentation, Controls & ElectricalUnrestricted © Siemens AG 2013 All rights reserved. Performance Monitoring and Control Systems for Hybrid Power Plants Cost and emission reduction by integrating renewables into diesel plants

2. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 2S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Combining fossil and renewable power generation offers significant advantages Status quo Diesel engines are used for power generation at off-grid sites or in weak grids Falling PV and wind installation prices Increasing fuel costs Challenges Siemens Hybrid Power Solutions integrate renewables efficiently into diesel plants. Logistic costsEmissions Fuel costsWeak / no grids Grid stability Logistic costs Operation costs Emissions

3. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 3S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Complete, optimized solutions that minimize your risk Customer benefits: Reduced fuel costs by up to 60 % Reduced CO 2 emissions by up to 60 % Reduced logistic/transportation costs High grid stability One-stop solution by Siemens Intelligent combination of renewable energy sources with diesel engines and storage Optimized operation based on cost functions, forecasts and real-time data Realization of minimal operation costs Siemens Hybrid Power Solutions Manage the complexity of diesel power installations with volatile renewable energy sources Are customized for different local conditions (wind or solar intensity and specific loads) Ensure high grid stability of renewable integration thanks to integrated energy storage

4. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 4S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Excellence in design, execution and technology Siemens Hybrid Power Solutions Comprehensive sustainable design and execution Project execution Service & maintenance Grid stability & power quality Analysis & sizing

5. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 5S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Maximize your profits, minimize your emissions Siemens Hybrid Power Solutions Comprehensive sustainable design and execution Project execution Service & maintenance Grid stability & power quality Analysis & sizing Up to 100 % peak renewable penetration System analysis and sizing for optimum LCoE Analysis of customer load requirements and wind / solar resource data Customer specific system design and sizing of generation and storage to minimize fuel consumption Project specific system modeling to guarantee network quality and stability Independent selection of generation and storage Identical scheduling strategy for sizing and operation

6. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 6S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Don’t compromise the basics! Network stability and power quality are essential Siemens Hybrid Power Solutions Comprehensive sustainable design and execution Project execution Service & maintenance Grid stability & power quality Analysis & sizing Sustainable power supply – 24/7 Simulation and testing of generation and storage units Grid and load simulation to analyze stability Individual project evaluation Coordination of frequency control between different generation systems Short circuit fault analysis and solutions Protection concepts for all operating modes

7. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 7S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Prove in the proven, trust in the trusted Siemens Hybrid Power Solutions Comprehensive sustainable design and execution Project execution Service & maintenance Grid stability & power quality Analysis & sizing Proven power plant know-how and project execution 160 years of proven experience in power generation Global market and technology leader for power plant controls and electrical engineering Best-in-class technology selection World-class track record in project engineering and execution Proven reliability

8. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 8S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 We guarantee your performance Siemens Hybrid Power Solutions Comprehensive sustainable design and execution Project execution Service & maintenance Grid stability & power quality Analysis & sizing Our customers come first – 24/7 Performance contracting Remote Expert Center to provide fast support for troubleshooting as “one stop shop” Condition-based maintenance for all generation and storage units Product life-cycle management ensuring investment security Classroom or onsite training providing know-how custom-tailored to your specific needs

9. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 9S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Combining engineering excellence with leading technology Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System

10. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 10S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Time proven power plant automation systems Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System Fleet Control System based on SPPA-T3000 Automation solution including scheduling and optimization of generation units Power sharing among generation units to meet the load demand in the most economical way Generates operation schedules based on historical load profiles and weather prognosis Optimizes generation units operation based on real- time volatility of renewables and load changes Maintains power quality and grid stability (voltage, frequency, reactive power)

11. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 11S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Easy monitoring of generation and storage Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System Performance monitoring – anytime and anywhere Easy-to-use, web based central monitoring platform for worldwide access High predictability of PV plant volatility through cloud movement tracking via fish-eye camera Integrated condition monitoring system (CMS) for early detection of irregularities for all generation and storage units Renewable generation prediction utilizing weather forecast data (optional)

12. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 12S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Intelligent dispatch of diesel generators Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System The backup power system for your renewables Complete diesel generator solutions incl. fuel system Individual selection of engine technology based on customer requirements (diesel, gas, bio-fuels, etc.) Strong partnership with world leading suppliers Engineering, installation & grid connection Upgrades of existing diesel generators possible Service packages optional

13. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 13S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 The sustainable alternative to fossil fuels Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System Integrating wind and/or solar parks Pre-studies of site wind/irradiation resources Pre-engineering to support planning and permit approval process Selection of best fit wind turbines Selection of best fit inverters and panel technology System design based on local generation volatility Active power control during periods of excess generation Engineering, installation & grid connection Service packages optional

14. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 14S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 As small as possible, as large as needed Siemens Hybrid Power Solutions Best-in-class technology RenewablesStorageDiesel Power Fleet Control System Integrating storage solutions Technology independent approach ensures best fit to customer requirements Customized system integration Grid forming inverters to ensure stability (frequency, voltage) Condition based monitoring for early detection of irregularities Engineering, installation & grid connection

15. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 15S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Siemens Hybrid Power Solutions – Reasons to choose Siemens One-stop turnkey solutions Performance guarantees Customized solution based on site specific resources and load requirements Grid stability and power quality Reliable generation with minimized costs and emissions Proven power plant know-how and project execution

16. Siemens Hybrid Power Solutions Unrestricted © Siemens AG 2013 All rights reserved. Page 16S.Scudlo / E F IE SGS S SGS-HP_SB-L_Island_e_V2-1 Published by and Copyright 2013: Siemens AG Energy Sector Fossil Power Generation Instrumentation, Controls & Electrical Siemensallee 84 76187 Karlsruhe, Germany Tel.: + 49 9131 / 18 – 84 089 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. Subject to change without prior notice. The information in this document contains general descriptions of the technical options available which do not always have to be present in individual cases. The required features should therefore be specified in each individual case at the time of closing the contract. Smart Generation Solutions E F IE AL:N ECCN:N To obtain further information, please contact: smart-generation.energy@siemens.com