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Solar SOLAR Edi Editiontion THE MAGAZINE for Renewable Energies ISSN - www.sunwindenergy.com € . • International issue / TheTHE solar SOLAR edi EDITIONTion SOLAR STATIONS A question of the pump CROWDFUNDING FOR PV Chasing the unicorn Preview: Preview: Intersolar Europe & North America pages Intersolar Preparing for the Trade Shows Titel_vb.indd 4 17.05.2016 10:59:37 TRIO-50.0-TL. You won’t believe it’s a string inverter. The TRIO-50.0 combines the performance and price advantage of a central inverter with the flexibility and ease of installation of a string inverter. With its three-phase, transformerless technology, modular concept and installation versatility, the TRIO-50.0 was designed specifically for commercial and utility-scale decentralized installations. So if you’re looking for the flexibility of a string inverter with the power and cost advantage of a central inverter look no further. The TRIO-50.0-TL. For more information: www.abb.com/solarinverters Titel_vb.indd 6 17.05.2016 10:59:37 EDITORIAL A grid for Europe ll in all, Europe’s electricity grids still The explanation for seeing negative elec­ have plenty of room for renewable tricity prices of this magnitude is that the energy. But in some places things are flexibility of electricity generation of brown Atight. On the one hand this is due to an in­ coal power plants is not measured at the crease in (decentralised) infeed of electricity scale of seconds, but of days. Negative elec­ from solar and wind power, which our electri­ tricity prices on the spot market are no long­ city grids were not historically designed for er isolated incidents, but are becoming more structurally. On the other hand, conventional common. In 2014 there were 64 hours of Dr. Volker Buddensiek power plant technology – especially coal and these, split over 9 days. In 2015 this number Editor­in­chief nuclear power – cannot be run flexibly can be expected to have almost doubled. For [email protected] enough to adjust to the fluctuating genera­ 2016 a further increase is expected, as elec­ tion. Furthermore, a balancing through elec­ tricity generation from renewable power tricity transportation across national borders plants is growing. is not satisfactorily possible in Europe. For large electricity consumers buying on The smaller the considered resolution of the spot market, negative electricity prices demand and generation, the more difficult it are a lucrative business. But we mustn’t for­ is to implement sensible technical and eco­ get that the costs of “disposing” of the un­ nomic solutions. The European Union wishes needed brown coal electricity are passed on to solve this problem by creating a joint in­ to the general consumer. The German gov­ ternal market for electricity. The proposed ernment solution to this dilemma is to European Energy Union aims to provide safe, strongly restrict the further expansion of cheap and climate­friendly energy in Europe. solar and wind power and to take wind and Right now we are still in a transition solar farms off the grid when there is over­ phase, however. The old concept of national capacity. But this simultaneously reduces electricity markets no longer runs smoothly the pressure on the players to speedily bring whenever appreciable amounts of renewable about the transition of national electricity energy feed electricity into the grid. A current markets with their centralised generation to example from Germany illustrates this: the a European Energy Union with a maximum 8th May, a Sunday, was sunny right across share of renewable electricity generation. Germany with temperatures of around 25 °C. Even though it is not often being felt at At the same time there were strong winds. the moment: where national governments no Solar plants and wind turbines supplied longer have the strength to make designs, a so much electricity that the share of renew­ united Europe at least has the potential to able energy rose to the record level of move the transition forward through suitable approx. 90 %. rules and cross­border structures. But for As a result the European electricity ex­ this it needs a strengthened Europe, not one change EPEX had negative prices on the in which its members serve their own nation­ spot market in Germany. The operators of al interests with increased vigour. brown coal power plants paid (!) a peak of And thus the dirty brown coal power 24 €­ct/kWh of electricity to get rid of it on plants will continue to emit their CO2 into the the grid. This was not some kind of emergen­ atmosphere and generate electricity, the dis­ cy procedure because they had been sur­ posal of which will even cost the power plant prised by a low electricity demand or by the operators money. Could things get any weather. An extremely sunny but also windy crazier? day had been forecast. That electricity con­ sumption is lower at weekends is also ele­ mentary knowledge for power plant operators. 3 003_Editorial.indd 3 17.05.2016 12:04:15 TABLE OF CONTENTS Service companies: Keeping PV plants under control Even relatively small technical problems can put the profi tability of PV plants in danger if these problems go unnoticed. To avoid any unnecessary downtime, service contracts have become commonplace for big projects. S&WE presents inter national players in the fi eld of photovoltaics O&M. Page 66 Market overview solar stations: A question of the pump Solar stations bring together all the necessary valves and fi ttings of the solar loop in one unit. For products with an integrated controller the controls are set up optimally for the pump. Bidirectional pumps make new functions possible. Page 76 Photo: Vaillant Photo: Photo: Sybac THE MAGAZINE for Renewable Energies ISSN ����-���� ����� www.sunwindenergy.com € ��.�� • International issue �/���� TheTHE solarSOLAR edi EDITIONTion SOLAR STATIONS Intersolar Europe & North America: A question Growth through battery storage of the pump For its 25-year anniversary the Intersolar Europe is CROWDFUNDING FOR PV recording stable exhibitor fi gures and visitors from Chasing the unicorn 165 countries. The storage sector is growing and wind power technology has been invited along. Storage and smart renewable energy technologies Preview: hold a prominent position in this year’s Intersolar Preview: North America in San Francisco, too. For the fi rst Intersolar Europe & North America time ever, ees North America will bundle innovations �� pages Intersolar and applications for stationary and electricity storage systems as an independent exhibition and Preparing for the conference. Pages 32 - 65 Trade Shows Photo: dpa picutre alliance Titel_vb.indd 4 4 Sun & Wind17.05.2016 Energy 10:59:37 3/2016 004-005_Inhalt_sf.indd 4 18.05.2016 10:43:26 Succesful European companies The European solar market and its diffi cult conditions are forcing companies to rethink their business models. Solar entrepreneurs are having to deal with the challenges of decreasing solar subsidies. So which businesses will thrive in the new solar era? We have explored some options in France, Spain, Germany, UK, Italy and the Benelux. Pages 16 - 31 Photo: Bath & West Community Energy (BWCE) Energy Community West & Bath Photo: Mostra Convegno Expocomfort: Convergence of electricity and heat The international heating technology trade fair in Milan, MCE, showcased a huge array of innovations for the whole house. Alongside the classic heating systems were photo voltaics and e-mobility. Page 84 Photo: Jens-Peter Meyer Jens-Peter Photo: Photo: Vaillant Photo: REVIEW PHOTOVOLTAICS Crowdfunding: 6 Pictorial: 58 Intersolar & EU PVSEC: Chasing the Unicorn No resemblance whatsoever PV mega event in Munich 8 Facts & Figures 62 Intersolar North America: Start-up companies are booming. 10 PV market Japan: A strong focus on storage They stand for innovation in many Funding is followed by the market 64 Interview: Deep tensions with utilities sectors, including renewable en- 14 Interview: Dominican Republic – 66 Service companies: ergies. Yet, not all new companies 58 MW are “ready to build” Keeping PV plants under control are successful and investors are 71 Research: A new generation of semi- always hoping to fi nd the rare FOCUS PV IN EUROPE transparent organic PV buildings and valuable “unicorn” among 72 Crowdfunding: Chasing the Unicorn 16 UK and Italy: Business models them. for the post-subsidy era Page 72 20 France: Gigawatt à la française SOLAR THERMAL 22 Spain: Hoping for the sun 76 Market overview solar stations: to rise again A question of the pump 26 Benelux: Small but nice 84 Mostra Convegno Expocomfort: 30 Germany: “In ten years the A convergence of electricity and heat cheapest form of energy” 90 District heating: Graz will heat with the sun INTERSOLAR EUROPE 32 • Growth through battery storage DEPARTMENT 38 • Interview Solar Promotion: 92 International events Worldwide radiance 94 Directory 40 • Product preview: New “Sun Systems” 98 Preview and imprint Graphic: Pixabay/GDJ Graphic: Solar Edition 5 004-005_Inhalt_sf.indd 5 18.05.2016 10:43:32 REVIEW PICTORIAL PIC torial No resemblance whatsoever Germany’s Minister for Economic Aff airs and Energy Sigmar Gabriel may be of similar stature to SolarWorld founder Frank Asbeck – but that’s where resemblance ends. A visit of the Minister to Inter solar Europe 2015, at least, did not result in a deeper understanding of Gabriel to the needs of the solar industry. Photo: dpa picture alliance 6 Sun & Wind Energy 3/2016 06-07_pictorial_vb.indd 6 15.05.2016 15:05:17 No resemblance whatsoever Solar Edition 7 06-07_pictorial_vb.indd 7 15.05.2016 15:05:19 REVIEW FACTS & FIGURES Analysts and market researchers produce a vast number of studies on how the The new PIKO MP – diff erent sectors of renewable energies have developed both globally or in selected countries. They send out their own projections on how markets for all kinds of facts& renewable energies are set to develop.
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