Princeton Power Systems, Inc. Battery Energy Storage for Microgrids

Overview of Presentation Who is PPS (Princeton Power Systems) Products and Experience Microgrid Storage Converter Requirements Battery Technology for Storage PPS Products for Storage Application Examples Copyright 2013 Princeton Power Systems, Inc. PAGE 2

Who We Are Clean Power, Made Simple. PPS is a leading global designer and manufacturer of technology products for microgrids, electric vehicle (EV) charging, and energy storage, with built-in functions for Smart Grid services. Microgrids Energy Security, Off-grid Island Power, Hybrid Solar/Wind/Diesel, Grid ancillary services Electric Vehicle Charging Infrastructure Fast-Charging (20 minutes/200 miles), Zero-emission solar charging Energy Storage Systems Containerized battery systems with Advanced batteries from top-tier manufacturers Copyright 2013 Princeton Power Systems, Inc. PAGE 3

Products & Experience Power Converter Products Core PPS product line, over hundred deployed 10-250 kw units with 2,3,4 power source inputs Key Inverter Features Off-grid & grid-tied with UL and CE listings Multi-port for flexible, configurable systems Bi-directional, advanced battery compatible Smart-Grid and Microgrid functions built-in Electric Vehicle Charging Stations Fast-charge vehicles & grid services Key EV Charge Features DC Fast-charging (200 miles in 20 minutes) Bi-directional, provide grid-services Solar-integrated zero-emission charging Containerized Energy Storage Systems Converters integrated with advanced batteries Key ESS Features Top-tier advanced batteries Microgrid & Grid Service functions Renewable-firming functions built-in Copyright 2013 Princeton Power Systems, Inc. PAGE 4

Microgrid Storage Converter Requirements Inverter Simulates AC Generator Grid Forming Power/Frequency Droop (Mechanical Inertia Simulation) Voltage/Var Droop 600VDC AC Bus Autonomous Voltage/Frequency Droop 280VDC Compatible with wide input voltage range Copyright 2013 Princeton Power Systems, Inc. PAGE 5

Make Chemistry Model Characteristic Toshiba SCiB (Lithium- Titanate) FM01202CCA01A 324-576VDC 12KWH 38KW Enerdel Hard Carbon/Mixed Oxide, Li-Ion SE100-590 100KWH, 100KW 360-590 VDC GE Durathon Sodium-Nickel E620 432-575VDC 20KWH Saft Graphite based Anode, Nickel Oxide Cathode, Carbonate LiPF6 Synerion 24M 357-476VDC 33KWH 102KW Samsung Intercalation Graphite Anode, Lithiated Metal Oxide, Li-Ion SDI 384-524VDC 113KWH 100KW Kokam Lithium Polymer KRO 371-531VDC 105KWH 100KW Panasonic Lithium-Ion LC-T1270 348-588VDC 36KWH Copyright 2013 Princeton Power Systems, Inc. PAGE 6

Power Electronics Products DRI100 Grid-Tied Inverter (GTIB) 2-Terminal Power System 30 & 100KVA Models Battery-InteGrated Inverter (BIGI) Multi-DC Power System 250KVA Model Demand Response Inverter (DRI) 4-Terminal Power System 10 & 100KVA Models GTIB100 DRI10 Copyright 2013 Princeton Power Systems, Inc. PAGE 7

Challenges: Integration with Li-Ion BMS Susceptibility of BMS to dv GND /dt of transfomerless systems Transport Weight and Size 100KVA, 82KWH Energy Storage Solution Copyright 2013 Princeton Power Systems, Inc. PAGE 9

EaglePicher Industrial Peak Shaver System Size: 2MWh / 1MW, 480 Vac, 20 kw PV, 10kW Wind Components: PPS GTIB-100 Inverters, multiple battery types, 4 x 45ft ISO Containers, PV, wind, Power Pyramid Control Software Copyright 2013 Princeton Power Systems, Inc. PAGE 14

World-Class Projects Real Application: Alcatraz Island Microgrid Scripps Ranch San Diego LaGuardia Airport AVIS EV Chargers San Diego Zoo Microgrid PJM Frequency Regulation Resource(s) Many other major customers and projects Copyright 2013 Princeton Power Systems, Inc. PAGE 15