OFF GRID HYBRID POWER PLANT Discover how to maximize the usage of the renewable energy.

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1 OFF GRID HYBRID POWER PLANT Discover how to maximize the usage of the renewable energy.

2 Introduction by Michele GRECA ( VP for Business Development) m.greca@ascotinternational.com Presentation by Gaetano FASCIANA( CTO for Business Development) g.fasciana@ascotinternational.com

3 <Ascot Key facts > 100% Italian Manufacturing company since 1986 Focus on Diesel Generating Set & Hybrid Technologies Custom made Projects in Energy Solutions Foot print in 59 Countries & installations Focus on Emergent markets Pioneers of Hybrid Technology for multiple applications

4

5 Ascot Experience in Small Scale up to 35 KW HYBRID FOR OFF GRID TELECOM SITE 59 Countries 6500 OFFGRID installations 68% Fuel Reductions 100% PV penetration 2007 frst installation. With a Consolidate & Proven Worldwide experience, Ascot is leading the market of the Off Grid solutions. 5 / HPP Power Plant

6 Small Scale HPP 1-35 kw

7 HYBRID GENERATORS DC Hybrid Power Unit 0,5-7 kw Hz EASY INTERFACE CONTROLLER WITH INTEGRATED HYBRID LOGIC DC GENERATOR WITH VARIABLE SPEED ENGINE DEEP CYCLE BATTERIES ZTC Conference 2014

8 Hybrid Working Principle Active Mode (Without renewable contribute) 8 / HPP Power Plant

9 Hybrid Working Principle - Sleeping Mode (Without renewable contribute) 9 / HPP Power Plant

10 68% Fuel Reduction without renewable sources 10 / HPP Power Plant

11 Up 100% Fuel Reduction with up to 100% PV penetration 11 / HPP Power Plant

12 Basic Concept ( the easy job) ON GRID Hybrid Power Plant W h e n t h e GRID is available it is very easy to connect PV Plant and inject power into the network, as there is no problem of Stability. 12 / HPP Power Plant

13 Basic Concept ( the innovation ) OFF GRID Hybrid Power Plant In a typical OFF GRID scenario, where the load is powered by diesel Generator, the PV penetration cannot exceed the 2-3% of the total delivered en e r g y, due to power instability 13 / HPP Power Plant

14 WHAT IS AN HYBRID POWER PLANT? Ascot Off grid PV-Diesel Hybrid Power Plant is a system that combines PV plant with traditional diesel generators and accumulate the excess of power generated in a energy storage, designed to guarantee the stability of the power during any fuctuations that may occur. The innovative Ascot hybrid technology permits to reach up to 100% PV penetration overcoming the actual problem of power instability of the current technologies. The core of the system is the Ascot PO.IN.S Power Injector System that is a 4 quadrant inverters that merge the diesel generators with the discontinuous solar source without harming the genset and maintaining the stability of the power supplied. Thanks to this stability, guaranteed by the PO.IN.S, the solar penetration can reach the 100% by properly sizing the energy storage. 14 / HPP Power Plant

15 HOW THE SYSTEM GET SAVINGS In a typical sunny day from 07:00 a.m. to 05:00 p.m. the free energy of the sun powers the load while the grid/generators works as back up; power from batteries temporary compensate the power during transit of clouds. 15 / HPP Power Plant

16 LARGE SCALE ASCOT HYBRID POWER PLANT WITH STABLE POWER SUPPLY The Ascot PO.IN.S POwer INjector System in an Hybrid Innovative technology that allow to interface the energy Storage system ( Batteries) with the AC Bus Bar, supplying or storing energy to STABILIZE the POWER supplied, when the SOLAR RADIATION output suddenly changes. 16 / HPP Power Plant

17 LARGE SCALE ASCOT HYBRID POWER PLANT WITH STABLE POWER SUPPLY Thanks to this STABILITY, guaranteed by the PO.IN.S, the SOLAR POWER PENETRATION can reach the 100% by properly sizing the ENERGY STORAGE 17 / HPP Power Plant

18 LARGE SCALE OFF GRID HYBRID POWER PLANT POWER MODULE kw MAIN COMPONENTS -HPMS (Hybrid Power Management System) -PO.IN.S -ENERGY STORAGE -DIESEL GENERATOR -RENEWABLE SOURCE (PV PLANT) 18 / HPP Power Plants

19 PO.IN.S : POWER INJECTION SYSTEM modules The Basic elements of the Ascot HPP are: The Po.In.S, designed in different sizes from 50KW up to 1000KW The 30KW MPPT Solar Charge Controller that can be paralleled The Hybrid Power Management System The DC or AC generating sets 19 / HPP Power Plant

20

21 New PV plant with DC GENSET Load ALL POWER SOURCES ARE IN DC: Ascot Solar Charge Controllers Ascot DC Generators EMBEDDED STABILTY: No synchronization The POINS is capable to instantly provide its full power if required POINS The system controller will minimize the gen sets running hours and fuel consumption optimazing the free of charge solar energy Battery Storage SOLAR CHARGE CONTROLLER G1 GenSet (DC) GN GenSet (DC) Solar Panel 21 / HPP Power Plant

22 New PV plant with AC GENSET Load G1 GenSet (AC) AC Gen sets are paralleled to the PO.IN.S. on the AC Bus The PVs are connected to the Dc bus through Ascot SCC GN GenSet (AC) POINS The system stability is guarantied by the POINS that is capable to instantly provide its full power if required The system controller will minimize the gen sets running hours and fuel consumption optimazing the free of charge solar energy Battery Storage SOLAR CHARGE CONTROLLER Solar Panel 22 / HPP Power Plant

23 Existing PV plant with AC GENSET Load The Gen sets are paralleled to the POINS and the PVs on the AC bus. G1 GenSet (AC) The system stability and minimized fuel consumption are guarantied by the PO.IN.S.. GN GenSet (AC) POINS Battery Storage SOLAR INVERTER Solar Panel 23 / HPP Power Plant

24 THIRAMARADUSHI ISLAND MALDIVE CASE STUDY Diesel Generators 200 KW total power PV farm of 225 kwp over 2000 sqm2 surface 6/8 hours sun light contribution 100 kw 60 kw SAVE liters of Island with power demand of 150 kw FUEL every months with 49% PV 40 kw Hybrid Power Management System (HPMS) In function of the Actual Load, the HPMS manage and regulate the power produced between the PV Panel and the Diesel generators. 24 / HPP Power Plant

25 THIRAMARADUSHI ISLAND MALDIVE KEY NUMBERS 25 / HPP Power Plant

26 Savings Principle: How does it work? The Saving of the Large Scale Ascot Hybrid Power Plant depends from different factors: -Geographic Location : IRRADIATIONS -Logistics : DISTANCE FROM MAIN CITY -Consumptions : FUEL COSTS DELIVERED AT SITE 26 / HPP Power Plant

27 IRRADIATIONS: the integration of renewable sources is the answer To an increasing fuel cost corresponds lower payback time for integration and installation of PV plants. 27 / HPP Power Plant

28 BENEFITS REDUCTION IN OPEX AND LCOE Up to 80-90% of the direct fuel consumption REDUCTION OF LEVELIZED COST OF ENERGY (LCOE) 24h POWER CONTINUITY MITIGATION OF ENVIRONMTENTAL LAWS CONSTRAINTS AND RELATED COSTS 28 / HPP Power Plant

29 Thank you

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