SUN DESIGNED AND PRODUCED IN EUROPE. AN AUSTRIAN FAMILY TRADITION OF QUALITY, RELIABILITY AND INNOVATION. 24HRS

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1 Perfect Welding Solar Energy Perfect Charging 24HRS SUN DESIGNED AND PRODUCED IN EUROPE. AN AUSTRIAN FAMILY TRADITION OF QUALITY, RELIABILITY AND INNOVATION. Fronius product overview 2017

2 Fronius: Leading the way for over 70 years. The Sattledt production site in Austria. A FAMILY TRADITION OF QUALITY AND INNOVATION The Solar Energy Division has been working in the field of photovoltaics since We are a family-owned company with a longstanding tradition in power electronics. From the very first battery charger in 1945, we have been setting global standards in innovation, quality and power conversion. Our innovation is guided by our vision of 24 hours of sun, a future we envisage powered and supported exclusively by renewable energy. All string inverters come with a 2 year warranty and can be extended free of charge. Fastest on-site service across the sector. By choosing Fronius, customers experience dependable yields with a promise that, if something does fail, a certified Fronius Service Partner can easily repair the system in the field. Privately owned, Fronius offers customers security and confidence in their purchases. Financially stable and assigned with the best possible risk indicator of 1* by Dun & Bradstreet, it's clear that Fronius stands for a secure partnership. DEPENDABLE POWER BANKABILITY

3 System operators can be rest assured that there is a network of installers trained by Fronius who can repair the system quickly on-site. Our Technical Support International team is eager to help and will reply to all requests. Out of hours? No problem. Our Fronius SOS online tool is a 247 service for installers where device data can be retrieved and support and replacements can be requested. Today Fronius exports over 90 percent of its products through 24 international subsidiaries and sales distributors in more than 60 countries. With 838 granted patents, we are innovation leaders on a world stage. A GLOBAL ENTERPRISE INTERNATIONAL SUPPORT We are dedicated to building products that will last a lifetime in the harshest conditions. Our extensive tests include weathering, freezing, infrared, vibration and shipping to name a few. Due to our high standards we are the quality leader in solar electronics since 2002, certified in accordance with ISO Blindext 3 QUALITY BUILT TO LAST

4 THE FRONIUS SNAPINVERTER GENERATION SnapINverter is the new generation of inverters from Fronius, featuring a simple, standardised mounting system. From family homes to large-scale installations - these inverters can be used anywhere and increase productivity many times over. FRONIUS GALVO FRONIUS PRIMO FRONIUS SYMO HYBRID Phase Category Single-Phase Single-Phase Three-Phase Size Options 1.5, 2, 2.5, 3 & 3.1 kw 3, 3.5, 3.6, 4, 4.6, 5, 6 & 8.2 kw 3, 4 & 5 kw MPP Tracker IP Rating IP65 IP65 IP65 Dimensions 645 x 431 x 204 mm 645 x 431 x 204 mm 645 x 431 x 204 mm Weight 16.8 kg 21.5 kg 19.9 kg Superflex Design - yes - Dynamic Peak Manager - yes yes Multi Flow Technology & Storage Ready - - yes CHARACTERISTICS OF ALL FRONIUS SNAPINVERTERS SNAPINVERTER TECHNOLOGIE Simple, standardised mounting system, user interface and set-up procedure. Connection area separate from power stage set compartment. Hinged design for easy installation and servicing. INTEGRATED DATA COMMUNICATION Fully integrated data logging, WLAN, Ethernet, energy management, web server and a range of interfaces. Connect to third-party components via Modbus TCP SunSpec, Modbus RTU SunSpec or Fronius Solar API (JSON). SMART GRID READY Smart functions are built into the devices including control functions for optimum feed-in of reactive power and effective power. Enables stable grid operation when PV-system density is high and prevents interuptions to feed-in. 100 EXPORT LIMITATION Limit the amount of energy fed back into the grid where limits or zero exports are applicable. Smart meter and Datamanager products required. 0

5 Blindext 5 FRONIUS SYMO KW FRONIUS SYMO KW FRONIUS ECO Three-Phase Three-Phase Three-Phase 3, 3.7, 4.5, 5, 6, 7 & 8.2 kw 10, 12.5, 15, 17.5 & 20 kw 25 & 27 kw IP65 IP66 IP x 431 x 204 mm 725 x 510 x 225 mm 725 x 510 x 225 mm 3-6 kw, 19.9 kg. 7 & 8 kw, 21.9 kg. 10 & 12.5 kw, 34.8 kg kw, 43.4 kg kg yes yes - yes yes yes CHARACTERISTICS OF SPECIFIC FRONIUS SNAPINVERTERS W N S E SUPERFLEX DESIGN Two MPP trackers in conjunction with a high system voltage and wide DC input voltage range; every DC input has its own MPP tracker. Single inverter for different roof orientations, shading of one or two strings or the use of residual modules. DYNAMIC PEAK MANAGER New MPP tracking algorithm. Automatically checks the characteristic curve on a regular basis and finds the Global Maximum Power Point (GMPP), even in partial shade. READY FOR STORAGE All the functions are built into the inverter so that it can be expanded into a comprehensive storage solution at any time. It can be used with or without a battery. Emergency power function. MULTI FLOW TECHNOLOGY Different DC and AC energy flows are possible in parallel. Battery can be charged from DC or AC side. Suitable for combining with conventional converters, expand old systems, etc.

6 FRONIUS INVERTERS & MODULE-LEVEL POWER ELECTRONICS A yield comparison between DC optimized systems and conventional PV-systems Both micro inverters and paneldc optimisers are classified as Module-Level Power Electronics (MLPE). In a PV-system equipped with MLPE, the yield of each module is maximized. Irradiation differences because of shade, mismatching, different orientations or angles do not affect the other modules. In a PV-system with a string inverter, modules that are connected to the same MPP-tracker are influenced by each other. However, PV-systems equipped with MLPE do not always have higher yields than PV-systems with string inverters. Sometimes the loss of MLPE is higher than the extra yield they gain. In reality PV-systems, either equipped with Fronius string inverters or MLPE1, show a wide variation in yield performance. Derived from a technical analysis investigation including computer simulations the following results show how Fronius string inverters compare with MLPE. YIELD OF MLPE SYSTEMS COMPARED TO FRONIUS STRING INVERTER SYSTEMS UNSHADED SYSTEMS Mismatching of the modules (0,5-1%) is countered by MLPE, but efficiency loss of each MLPE is 1-5%. Up to +0,5% higher yield for some MLPE Up to -5% less yield for other MLPE SHADED SYSTEMS HOMOGENEOUS SHADE* MINOR MOVING SHADE MAJOR MOVING SHADE Up to +2% higher yield for some MLPE Up to +4% higher yield for some MLPE Up to +9% higher yield for some MLPE Up to -2% less yield for other MLPE Up to -4% less yield for other MLPE Up to -3% less yield for other MLPE *Mountain range, large building, line of trees, row of other modules, etc. 1 Micro inverters; panel optimizers All tests on real PV-systems showed lower yields for MLPE systems than calculated. The benefit of MLPE at real PV-systems was mainly visible in winter when (partially) covered with snow. Illustrations created with PV*SOL Premium by Valentin Software.

7 FRONIUS SUPERFLEX DESIGN ONE FLEXIBLE SOLUTION TO FIT EVERY ROOF W N Blindext 7 E S Yield example: Large chimney, placed right in front of the modules Height 2 m, diameter 0.5 m Scenario 1: Partially shaded roof PV-SYSTEM WITH... String inverter without SuperFlex Design 1 MPP-tracker, no Dynamic Peak Manager YIELD -8% to -12% MLPE -4% to -8% String inverter with SuperFlex Design Even distribution of modules to both MPP-trackers String inverter with SuperFlex Design Optimal distribution of modules to both MPP-trackers -6% -5% Scenario 2: Differently oriented roof FLEXIBILITY IS A MATTER OF DESIGN. SEE FOR YOURSELF! The Fronius SuperFlex Design is integrated in all Fronius Symo and Primo inverters. The Dynamic Peak Manager algorithm efficiently finds the global Maximum Power Point (MPP) of modules and therefore mitigates potential yield losses. The effects of shade can also be strongly reduced by using the flexible connection possibilities, given by the 2 MPP-trackers with each a very wide voltage range. FRONIUS SYMO FRONIUS PRIMO Scenario 3: East-west oriented roof CHOOSE THE EASY INSTALLATION PROCESS, SAVE TIME AND MONEY! More information:

8 REGISTER FOR FREE AND EXTEND THE TERM OF YOUR WARRANTY Register your Fronius inverter and secure your free warranty protection of up to 7 years. You can also use our Fronius Solar.web Classic monitoring platform completely free of charge. This is the all-in-one internet portal for configuring, monitoring, analysing and visualising. Up-to-date system data can be accessed at any time and is clearly presented: the portal is very user-friendly and a comprehensive range of analysis functions is included. FRONIUS SOLAR.WEB The Fronius Solar.web Classic provides the system owner with all the familiar functions needed for daily monitoring: Automatic yield comparisons across several inverters A simple self-consumption display Visualisation of storage systems Visit and register for free today! FRONIUS SOLAR.WEB PREMIUM The Premium version of Solar.web enabels you to: Check your daily current consumption and yield Analyse your historical self-consumption curves Analyse your consumption pattern and then optimise it Keep an eye on all the energy flows in your household Fronius Solar.web Premium can be bought online via FRONIUS SOLAR.WEB APP You can always keep an eye on the energy yield of your PV-systems by simply installing the app on your iphone, ipod touch, ipad, Android smartphone, tablet or Windows smartphone: Easy registration with support of setup assistant Solar.web Live App also available for Mac devices and Windows 7

9 FRONIUS WARRANTIES Blindext 9 Following a quick and free registration process on our dedicated platform owners of a Fronius string inverter or Fronius storage unit can select an attractive warranty model, depending on their region, that perfectly matches their individual requirements. WARRANTY WITHOUT REGISTERING WARRANTY MODELS THAT CAN BE ACTIVATED AFTER REGISTERING 2 YEARS FRONIUS GARANTIE PLUS 3 YEARS FRONIUS GARANTIE PLUS 5 YEARS FRONIUS GARANTIE 5 YEARS 7 YEARS Fronius inverters are supplied with a standard warranty of 2 years. Simply complete the quick and easy registration process to extend your warranty for free to up to 7 years! You can choose between a 5-year Fronius Warranty Plus or a 7-year Fronius Warranty. 1) Registration possible within 30 months of dispatch by Fronius. FRONIUS WARRANTY PLUS Fronius Garantie Plus offers maximum safety. If a valid claim is made, in addition to the material costs, Fronius covers the transportation costs and a service fee. 1) Register now at FRONIUS WARRANTY If a valid claim is made, Fronius bears the material costs. 1) Register now at Do you already know our new warranty registration video? 1) Warranty terms may differ depending on the country and region of installation. Our country specific terms of warranty can be found online at

10 OUR VISION: 24 HOURS OF SUN. THIS MEANS HAVING RENEWABLE ENERGY ON TAP AT ALL TIMES. DURING THE NIGHT AS WELL AS THE DAY, DURING THE WINTER AS WELL AS THE SUMMER. We believe in a future in which we cover 100% of our global energy requirements from renewable sources. The world of 24 hours of sun. In this future, renewable energy is accessible to everyone. Worldwide, at any time, in any place. Solar power plays a leading role in the mix of renewables that supply us with energy around the clock. How will we achieve 24 hours of sun in the future? The key lies in the use of technologies and solutions to generate, store, distribute and consume renewable energy intelligently and cost-effectively. At Fronius, we are working on this day in, day out. With our products and solutions, we are already making a decisive contribution to achieving 24 hours of sun in the future. However we cannot achieve this aim alone. We need people who share our aim. By purchasing a PV-system or a storage unit, by investing in building energy efficiency or simply by using public transport. Everyone can get involved - and every contribution counts. So why not join in? After all, we are all 24 hours of sun. Find out more at 24HRS SUN Every single one of us can help to create a world where energy is 100% renewable. Including you! Change the world together with us. Take a look at our film You are 24 hours of sun and add your personal message to our world map at

11 »I am #24hoursofsun because if we want to save the world and give our children the best possible future we have to act now!«(united Kingdom)»I am #24hoursofsun because it is the future!«(sweden) Blindext 11»I am #24hoursofsun because I contribte to the energy revolution with my 1.9kW residential pv-system. More people should do the same.«(germany)»i am #24hoursofsun because I have solar power on my home, turn off lights not being used, run dishwasher during off hours, have energy efficient appliances.«(usa) Post your statement at Post your statement on FRONIUS ENERGY PACKAGE THE PERFECT STORAGE SOLUTION FOR 24 HOURS OF SUN. FRONIUS SOLAR BATTERY 3,6-9,6 kwh FRONIUS SMART METER A bidirectional meter for recording power consumption FRONIUS SYMO HYBRID AC-power 3.0, 4.0, 5.0 kw 3-phase Emergency power function and battery can be retrofitted Range of different storage capacities available DC-coupled system High performance lithium iron phosphate technology Maximisation of self-consumption Three-phase emergency power supply For more information visit the Fronius sales partner in your area or go to

12 TIME FOR A CONFIDENCE CHECK: For a care-free investment you need reliable partners who will always stand by your side.! FAMILY-RUN COMPANY Founded by Günter Fronius in 1945 Solar pioneer for over twenty-five years In private hands for over 70 years Successfully active in three different industry sectors! QUALITY PIONEER Fully certified in accordance with ISO 9001 for over 20 years Fronius literally stands for outstanding products: Plus X Awards for High Quality, Functionality and Ecology for the Fronius Galvo and Fronius Symo speak for themselves! UNIQUE SUPPORT Technical support is available worldwide for its customers Fronius offers service support in more than 70 countries! TOP FUNCTIONALITY Minimum number of components Low failure rate, highest lifespan Easy access in case of service Service on site possible, without Fronius engineers present Communication via Modbus TCP, JSON, Modbus RTU! STRONG WARRANTY Fronius offers a warranty lasting up to 7 years upon registration Fronius offers a paperless and formless claim handling procedure with a professional Fronius Support team as well as on site servicing by trained Fronius Service Partners. Perfect Welding Solar Energy Perfect Charging WE HAVE THREE DIVISIONS AND ONE PASSION: SHIFTING THE LIMITS OF POSSIBILITY. Whether welding technology, photovoltaics or battery charging technology our goal is clearly defined: to be the innovation leader. With around 3,800 employees worldwide, we shift the limits of what s possible - our record of over 1,200 granted patents is testimony to this. While others progress step by step, we innovate in leaps and bounds. Just as we ve always done. The responsible use of our resources forms the basis of our corporate policy. Further information about all Fronius products and our global sales partners and representatives can be found at YEARS FRONIUS SOLAR ENERGY v07 Apr 2017 EN Text and images correspond to the current state of technology at the time of printing. Subject to modifications. All information is without guarantee in spite of careful editing - liability excluded. Copyright 2011 Fronius. All rights reserved. Fronius UK Limited Maidstone Road, Kingston Milton Keynes, MK10 0BD United Kingdom pv-sales-uk@fronius.com Fronius International GmbH Froniusplatz Wels Austria pv-sales@fronius.com EN v03 April 2017