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District Heating, News

SHC and SWC 2017: Early Bird Registration Now Available

Submitted by Baerbel Epp on July 17, 2017
Logo SHC SWC 2017Benefit from an early bird discount by registering for the joint solar conferences in autumn in Abu Dhabi, United Arab Emirates, until 31 August. You need to register only once to attend both the SHC 2017 – International Conference on Solar Heating and Cooling for Buildings and Industry and the SWC 2017, the ISES Solar World Congress. The early bird offer will get you a 14 % discount on the standard ticket price charged from 1 October. Tickets at reduced prices are available for students and for members of both organisers – the International Solar Energy Society (ISES) and the IEA Solar Heating and Cooling Programme (IEA SHC) – and the European Solar Thermal Industry Federation (ESTIF). Day tickets are offered as well.
 

China: Sunrain Finalises Strategic Cooperation Agreements

Submitted by Baerbel Epp on June 30, 2017
Natural Ressources CanadaThe Chinese Sunrain group, the world’s biggest collector manufacturer, is broadening its product portfolio to include large-scale solar thermal plants. Sunrain had already made the first step towards globalising its strategic partnerships by establishing a joint venture with Danish-based Arcon-Sunmark in June 2016. It has now concluded a cooperation agreement with CanmetEnergy in Canada with the aim to develop solar district heating systems using borehole heat storage fields for seasonal storage in China. Canada’s Minister of Natural Resources Jim Carr (back row 2nd from left) oversaw the signing of the agreement during his visit to China in June 2017. The agreement was signed by Xinjian Xu, Founder and Board Chair of Sunrain Solar Energy (front right) and Frank Des Rosiers, Assistant Deputy Minister of Natural Resources Canada’s Innovation and Energy Technology (front left).
Photo: Natural Ressources Canada
 

IEA SHC: Solar Heat Worldwide Highlights Remarkable Achievements and Addresses Challenges

Submitted by Baerbel Epp on June 2, 2017
Solar Heat Worldwide TitleIn late May, the IEA Solar Heating and Cooling Programme (IEA SHC) published its annual report titled Solar Heat Worldwide (see the attached document). It is the most comprehensive study of solar heating and cooling markets around the globe and has been referenced by international organisations such as REN21 and IRENA. Based on data from 66 countries, the most recent report has grown from 76 pages in 2016 to 86 in 2017. It includes a new section which highlights last years’ encouraging market development of megawatt systems for solar district heating and solar process heat and a second part providing in-depth figures about the national and global markets of 2015.
 

IEA Task 55: Solar District Heating Means Big Business

Submitted by Baerbel Epp on May 23, 2017
Task 55Solar district heating is attractive business. Not only does this become obvious when looking at the 347 MWth of newly installed SDH capacity in Denmark in 2016, but also when one hears about Big Solar, a 250 MWth collector field – with 1.8 million m² of seasonal storage – planned to cover 20 % of the energy demand in the Austrian city of Graz by 2020. It certainly explains the high interest in international research platform Towards the Integration of Large SHC Systems into DHC Networks, or Task 55 of the IEA Solar Heating and Cooling Programme. “We welcomed 33 participants from eight countries during our second project meeting in Aalborg in mid-March, and even had to limit the number of participants per company because of the huge demand,” explained Sabine Putz, Operating Agent of Task 55 and COO and Head of R&D at S.O.L.I.D.
Photo: AALBORG CSP
 

Netherlands: Solar Thermal Benefits from SDE+ Solar Heat Tariff

Submitted by Baerbel Epp on May 1, 2017
District Heating Workshop NetherlandsIn the Netherlands, solar district heating plants with a capacity of 140 kWth or above can benefit from a feed-in tariff scheme called SDE+, which pays a certain amount per kWh of energy. Under the scheme, operators of renewable energy plants can apply for a subsidy to bridge the gap between market price and cost of energy production. Consequently, interest was high when a workshop about solar district heating (SDH) took place in mid-April 2017. It attracted around 50 people from the district heating and the solar thermal industry, consulting businesses and the government. Organised jointly by Dutch district heating organisation Warmtenetwerk, Holland Solar and the Netherlands Enterprise Agency, RVO.nl, the workshop featured a presentation on SDH in Denmark – held by Jan Erik Nielsen from PlanEnergi and based on results from Task 45 and 55 of the IEA Solar Heating and Cooling Programme – and provided information about the national subsidy scheme, thermal storage technologies as well as the only DH plant in operation in the Netherlands to date.
Photo: Netherlands Enterprise Agency 
 

IRENA: Renewable District Heating and Cooling Roadmap to 2030

Submitted by Baerbel Epp on April 27, 2017
District Heating PotentialThe International Renewable Energy Agency (IRENA) has published an industry roadmap for Renewable Energy in District Heating and Cooling (DHC) as part of its REmap 2030 project. This study analysed the current state of the DHC market in eleven countries – with a focus on district heating in seven and one on district cooling in the other four – and examined the long-term potential of the two technologies in these countries (see the attached PDF). The countries chosen for the study have distinctly different market environments. Two of them are Denmark and Switzerland, which have had the highest share of renewables in their energy supply (around 40 %); a third one is China, the largest market for DHC today, but one on which renewable energy has yet to play a role at all. The chart shows the key factors impacting the potential of renewable DHC. The aim of the renewable energy roadmap (REmap) programme is to show a path towards doubling the share of renewables in the global energy mix by 2030.
Chart: IRENA
 

Denmark: Solar District Heating Capacity Nearly Doubles in 2016

Submitted by Baerbel Epp on April 25, 2017
District Heating in DenmarkLast year was a record-breaking one for new solar district heating (SDH) installations in Denmark. With 31 new SDH systems and 5 plant expansions, the newly installed collector area grew at double the rate of 2015 and totalled 495,226 m² (347 MWth). The year prior saw 15 plants built and three expanded, while collector area increased by 250,161 m² (175 MWth). Almost all plants newly installed or expanded in 2016 were equipped with flat plate collectors, except for the 18.9 MWth parabolic trough installation in Brønderslev. The annual statistic on SDH installations is maintained by Daniel Trier from Danish consultancy PlanEnergi and starts with the very first large SDH plant in 1988. Trier said that at the end of 2016, there had been 104 SDH plants in operation with a combined collector area of 1.3 million m² (911 MWth).
Chart: PlanEnergi
 

Europe: Comparing Solar Keymark Data on Collectors with Foil or Double Glass Cover to Ones Without

Submitted by Baerbel Epp on April 3, 2017
KBB large-scale collectorDenmark’s success story in solar district heating, with 2016 having been another record year which almost doubled newly installed collector area to around 500,000 m², showcases the large potential of this type of application across Europe. Cost cuts in the supply chain are key: Two vital factors are fast installation and less hydraulic work on site. The answer by manufacturers to these challenges has been to design large-scale prefabricated collectors. Suppliers of vacuum tube collectors offer modular designs for easy mounting of collectors above 10 m²; large flat plate versions come as one piece and certified by Solar Keymark. The yearly market surveys by German magazine Sonne Wind & Wärme show that the number of certified flat plate collector panels above 10 m² of gross collector area has increased in Europe in recent years. As of 29 March 2017, the magazine’s online collector database listed 62 models from eight brands compared to 20 types of collectors in October 2015.
Photo: KBB
 

Poland: Solar for More Efficient District Heating Networks

Submitted by Baerbel Epp on March 30, 2017
Poland WorkshopPoland’s Mazovia Region is one of nine regional actors which have worked together with the Institute for Renewable Energy (IEO, formerly EC BREC), the Polish partner, on the Horizon 2020 project SDHp2m: Solar District Heating – From Policy to Market. On 16 March 2017, IEO organised a workshop where 60 stakeholders from the district heating industry and municipal authorities and researchers met to discuss the details of strategies and activities which could support the development of SDH or solar district heating. Solarthermalword.org sat down with IEO’s Aneta Więcka to talk about opportunities, barriers and the current situation of the SDH market in the Mazovia Region and the rest of country. 
Photo: Institute for Renewable Energy
 

Austria: New Medium-Temperature Collectors Show Remarkable Yield in District Heating Use

Submitted by Baerbel Epp on March 2, 2017
Graz Test Field SOLIDDuring the last seven years, a group of scientists has monitored selected large solar thermal installations in Austria on behalf of the Austrian Climate and Energy Fund. The gathered data confirms that these plants have been reliable and produce satisfactory yields. Particularly the new generation of large-scale medium-temperature collectors either with a foil or with a second glass cover shows remarkable results in district heating use. The 2,490 m² solar field (see photo) which has fed heat into the district heating network of Graz, Austria, reached a yield of 489 kWh/m². 
Photo: Picfly.at Thomas Eberhard
 

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