NYC Solar Summit Tristan Kreager - Hybrid Energy Solutions June 2013 Disclaimer This presentation may contain future predictions. Future predictions are statements that do not describe facts from the past. They also contain assessments on our assumptions and expectations. These assessments are based on planning, estimates, and forecasts, which are currently available to the SMA Solar Technology AG (SMA or company) board of directors. Future predictions are therefore only applicable on the day on which they are made. It lies in the nature of future predictions that they contain risks and elements of uncertainty. Various known and unknown risks, uncertainties, and other factors may cause the actual results, financial situation, development, or performance of the company to significantly deviate from the assessments provided in this presentation. These factors include those that SMA has described in published reports, which are available on the website www.SMA.de. The company assumes no liability for updating or adjusting such future predictions in accordance with future events or developments. This presentation serves informational purposes only and does not constitute an offer or request to buy, keep, or sell company shares. SMA Solar Technology Agenda > Who is SMA > SMA Sunny Boy SPS PV Direct Backup Solution > Sunny Island Energy Storage Solution SMA Solar Technology The Global Leader, and #1 in North America > > > > > > > > > $2B+ in annual revenue 5,000 employees worldwide Represented in 21 countries 11.5 GW total manufacturing capacity 25 GW+ installed North American production in Denver and Toronto The world leader in solar inverter technology, service and support Solutions for all power classes and applications Highest efficiency (99 %) SMA Solar Technology SUNNY BOY 3000/4000/5000TL-US SMA Solar Technology Solar Power: No grid, no batteries, no problem. SMA Solar Technology Not Just an Inverter, a Home Energy Solution > Extension of field-proven Sunny Boy line > Unique features not available from any other manufacturer > System design flexibility and installation simplicity make the TL-US the first choice among installers > The TL-US is an evolutionary leap forward, paving the way for complete home energy management > European experience with the smart home has earned SMA America the leadership role in the U.S. energy transition > Maximum power production, leading communications solutions and detailed monitoring make the TL-US the first choice among homeowners SMA Solar Technology SMA Sunny Boy 3000/4000/5000 TL22-US > > > > > Grid interactive, transformerless, solar inverter. 3, 4, 5, kVA DC Protections-AFCI, GFDI, insulation testing, RISO-ungrounded system. AC Interface- PF, Grid Manage, Cluster controller SPS-Secure Power Supply- 120V voltage source to dedicated outlet. PF SMA Solar Technology A New Generation of Innovation MPP voltage Maximum power production 175 V to 480 V Flexible design and simple installation Dual MPP Trackers Leading monitoring and communications Plug-and-play Webconnect Groundbreaking new features SMA Solar Technology OptiTrac™ Global Peak Operating temp -40°F to +140°F Simplified DC Wiring Sunny Portal Monitoring ZigBee® Communication Secure Power Supply Features & Highlights Dual MPP Trackers Exceptional flexibility and energy harvest Highest practical use New features & USP´s SMA Solar Technology OptiTrac Global Peak CEC 97.0% Ethernet Connectivity DC AFCI -40°C… +60°C Emergency Power Supply Opportunity power when it matters most > State of the art technology allows PV operation when grid is lost > Dedicated outlet powered with up to 1500W SMA Solar Technology Secure Power Supply (SPS) – Innovative Stand-Alone Power Solution > Inverter can be switched to stand-alone operation during prolonged grid outages Example of Secure Power Supply installation > Access to power as long as the sun shines > No costly batteries or storage Blackout > Enhanced homeowner security, comfort and peace of mind > Not available from any other inverter manufacturer, another first for SMA SPS ON / SPS OFF Max 1,500 W Power socket with switch (installer supplied) SMA Solar Technology Secure Power Supply (SPS) • Disconnection after grid loss and setup of stand-alone system Example of Secure Power Supply Installation • Re-direction of PV electric power to an external power socket Blackout • Activation of electric power (EPS ON) and returning to feed-in operation (EPS OFF) by external switch Supply power to battery chargers, phone chargers, TV, PC, AC/DC power supplies, etc. during grid outages (during daylight) SMA Solar Technology 120 - 125 V max.12 A Power Socket with Switch SPS ON / EPS OFF Simple, Safe Operation > Switch provides signal to relay indicating receptacle is ready to receive power when grid is down. > Homeowner activated > Relay will not activate if grid is available > Failsafe grid tie operation in the morning if the grid returns at night SMA Solar Technology SPS Technical Overview > Maximum output voltage=125 VAC > Maximum output current=12 A > Maximum output power=1500 W The SPS is limited by the instantaneous insolation levels of the solar modules- NO STORAGE. If the load exceeds the power generated a relay opens and the inverter reconnects in 20 seconds. SMA Solar Technology SPS Function Flowchart gridinteractive mode inverter is connected to the grid SPS mode inverter supplying power only to the connected dedicated outlet 20sec wait inverter not feeding any power anywhere, after timer expired retry with voltage-ramp-up SMA Solar Technology Grid Interactive Mode = ~ Grid Detected Grid Monitoring EPS Logic DC Disconnect 0V EPS Outlet SMA Solar Technology EPS Switch 240 V EPS Mode = Grid Blackout ~ No Grid Detected Grid Monitoring EPS Logic DC Disconnect 120 V EPS Switch 0V User must manually turn ON (close) to initiate EPS operation EPS Outlet SMA Solar Technology Switch Line Neutral Ground If present, remove tab to separate switch and outlet wiring SMA Solar Technology Secure Power Supply (SPS) – Innovative Stand-Alone Power Solution > Power from PV array is directed to a dedicated wall outlet with max load of 1,500 W > Provides stand-by power to charge phones, tablets, personal computers, batteries for flashlights, radios, etc. SMA Solar Technology First Grid Interactive/ SPS system installed at SMA SMA Solar Technology Sunny Island- Product Introduction SMA Solar Technology Sunny Island- Product Introduction > Versatile grid-interactive battery based inverter designed for off-grid and backup power applications. > Rated at 4.5 and 6.0 kw > Utilizes a 48 Volt battery bank > Not a typical charge controller that uses DC electricity from PV array to charge batteries! NO PV is connected directly to Sunny Island > Superior management of battery bank and other sources of AC power, this is referred to as “AC coupling” > SMA pioneered the AC-coupling concept, since 2001 SMA Solar Technology AC Coupling: The Benefits > > > > Planning Flexibility Components Expandable SMA Solar Technology Sunny Island- Basic Tasks/Functions > Creates a “Micro Grid” when utility fails > Supplies and controls frequency and voltage > Transfers and converts energy in both directions > AC to DC for battery charging > DC to AC to supply energy to loads > Controls external loads and energy sources > Load shedding > Power control of Sunny Boys, auto generator start /stop SMA Solar Technology Sunny Island- Product Platform SMA Solar Technology Sunny Island- Capabilities > Feed Renewable energy to the utility when grid is present (if desired) > Battery Backup Power supply during short or long term grid failures > Transparent “near UPS” switching times (16 ms) > Not fast enough for critical loads such as Life support, Bank UPS > Charge and maintain battery when grid returns SMA Solar Technology No grid – no problem SMA Solar Technology We have scalable solutions to fit – today… SMA Solar Technology Sunny Island- Control Scheme AC Coupling: Sunny Island creates the grid(voltage/Hz) source PV Production powers protected loads panel, passes thru SI, maintains battery SOC, feeds main panel and back feeds grid SMA Solar Technology Sunny Island- No Grid…no problem AC Coupling: Sunny Island creates the grid(voltage/Hz) source SI opens relay, preventing grid back feed. Mimics grid to keep SB/PV producing power Runs Backed up Loads If loads>PV, then draws down battery If PV>Loads then Frequency shift power control SMA Solar Technology Sunny Island- Control Scheme AC Coupling: Sunny Island creates the grid(voltage/Hz) source SMA Solar Technology Sunny Island- Control Scheme AC Coupling: Sunny Island creates the grid(voltage/Hz) source SMA Solar Technology Sunny Island- Control Scheme AC Coupling: Sunny Island creates the grid(voltage/Hz) source SMA Solar Technology Sample Drawings: Single Sunny Island with Smartformer SMA Solar Technology Sample Drawings: Dual/Quad Sunny Island including Backup Generator SMA Solar Technology Sample Drawings: 3 Phase Sunny Island including Backup Generator SMA Solar Technology SMA MultiCluster Box > Simple design for large off-grid systems > Up to 12 Sunny Islands in 3 phase configuration(72 kW) > 300 amp 3 phase contactors for > PV > Loads > Combustion Generator SMA Solar Technology Cluster Configurations > Single Phase > 4.5kW – 24 kW max L1 > Split Phase > 9kW – 24 kW max > Three Phase > 13.5 – 18kW kW max > 1 SI per phase L1 L2 L1 L2 L3 SMA Solar Technology 39 Before… SMA Solar Technology After… SMA Solar Technology Sample ConfigurationsSingle, Split or 3 Phase SMA Solar Technology Comprehensive Real-time Monitoring via Sunny Portal SMA Solar Technology SMA Solar Academy: World Class Training SMA Solar Technology World Record EV Bike – Powered by Sunny Island SMA Solar Technology Telecom Site – Mobile Power by Sunny Island SMA Solar Technology World Record EV Bike – Powered by Sunny Island SMA Solar Technology