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China: “There is strong competition between PV and solar thermal cooling”

Submitted by Baerbel Epp on May 24, 2017
YazakiTwo larger solar thermal cooling installations were put into operation in China in 2016. One of them was a 23-kW Yazaki absorption system (left photo) and one a new developed 50-kW variable-effect absorption chiller driven by a Fresnel collector (right). Solarthermalworld.org spoke with Professor Yanjun Dai of Shanghai Jiao Tong University (SJTU) about the market and technological advances of solar cooling in China.
Photos: SJTU

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
 

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
 

China: Solar Process Heat and Space Heating and Cooling Rack Up Market Shares

Submitted by Baerbel Epp on April 19, 2017
CSTIFChina’s shift away from residential towards commercial solar thermal applications continues: The collector area of newly installed solar water heaters in single-family buildings declined by 26 % in 2016, whereas the ‘engineering segment’ remained stable last year (see the table below). This segment is comprised of all non-domestic hot water applications, such as space heating and cooling as well as applications in industry and agriculture. Overall, its share in the newly installed collector area went from 61 to 68 %. All figures were taken from the Report on the State of China's Solar Thermal Industry (July to December 2016), a document drafted by Dezhou-based consultancy Sun’s Vision on behalf of CSTIF, the Chinese Solar Thermal Industry Federation. CSTIF has presented this report – which also includes several development strategies – to the National Energy Board. 
 

China: Vicot Solar Systems Provide Heat at Siemens and Procter & Gamble Facilities

Submitted by Baerbel Epp on March 6, 2017
THVP SiemensWith Procter & Gamble and Siemens subsidiary Trench, Vicot Solar Technology has two prominent references in China to showcase the successful integration of solar heat into industrial processes. The plant at Trench High Voltage Products (THVP) in Shenyang (see photo) came online in November 2014 and has since been operated by THVP itself. Backed up by an oil heating unit, the system’s parabolic trough collectors with 3,255 m² of aperture area provide heat at 150 °C for processes in the electronics factory and supply the heating systems of the 33,000 m² office and the production facilities in winter.
Photo: Vicot
 

IEA SHC Task 53: Innovative Solar Cooling Systems

Submitted by Baerbel Epp on February 28, 2017
IEA SHC Task 53The biggest challenge for a small market like the solar cooling one – which has still a long way to go – is how to reduce system costs. One way to achieve this objective besides increasing market volume is standardisation. Companies from around the globe have responded to the challenge by developing pre-engineered solar cooling kits. To provide a better overview of the innovative technologies in this field, the researchers of IEA SHC Task 53, New Generation Solar Cooling and Heating Systems, collected technical data on 10 small to medium solar cooling units and published them in table form (see the attached document). The list includes market-ready as well as close-to-market solutions.
Chart: TASK 53
 

China: Much Work Needed to Meet 2020 Square-Metre Target of 0.8 Billion

Submitted by Baerbel Epp on January 30, 2017
CSTIFTwo large industry events in China over the last months have shown that there is great demand for discussion regarding the transformation of the domestic solar heating and cooling market. The Green Business Forum attracted around 1,000 solar thermal stakeholders to Dezhou in Shandong province from 22 to 25 September, and several hundred industry representatives took part in the annual assembly of the Chinese Solar Thermal Industry Federation (CSTIF) from 7 to 9 December in Kunming, Yunnan province (see photo). According to the latest CSTIF figures, the solar thermal market experienced a sharp 9 % decline last year from 43.5 million m² to 39.5 million m² (30.5 to 27.7 GWth), which reduced it to 60 % of the size it had had in the peak year of 2013. 
Photo: CSTIF
 

Denmark: New Solar District Heating World Record

Submitted by Baerbel Epp on January 26, 2017
SilkeborgThe Danish town of Silkeborg now holds the record for having the world’s largest solar heating system. The SDH plant of 156,694 m² (110 MWth) came online as scheduled in December 2016 after only seven months of construction. Municipal utility Silkeborg Forsyning intends to use the harnessed solar energy to meet 20 % of the annual heating demand of the 21,000 plant-connected users. The solar field was divided into four subfields to make it possible to set up the installation and hydraulics systems on this irregularly shaped piece of land (see photo). The former record holder is another installation in Denmark, in Vojens, boasting 70,000 m² (48.90 MWth) of installed solar thermal capacity. Both plants were turnkey deliveries from Danish collector manufacturer Arcon-Sunmark. 
Photo: Arcon-Sunmark
 

Worldwide: Flat Plate Collector Manufacturer Ranking

Submitted by Baerbel Epp on December 21, 2016
Collector Ranking 2015The ranking of the largest flat plate collector manufacturers is headed by the same four companies as last year: Greenonetec from Austria, Fivestar from China, Soletrol from Brazil and Bosch Thermotechnik from Germany. But aside from the continuity at the top, last year shows what different paths some markets have taken. Whereas Australian-based Solahart, one of the pioneers of global solar collector trade, as well as Soletrol, the largest Brazilian manufacturer, have lost ground, several others – such as Sunrain from China, Hewalex from Poland and Eraslan from Turkey – were able to report above-average growth for 2015 and rise through the ranks. The produced collector area of the overall 21 companies added up to 4,212,462 m². The number was 21 and not 20 because the last and second-last spot were occupied by companies with equal production output.
Chart: solrico
 

IEA Medium-Term Report: Solar Heating and Cooling Not on Track for 2 °C Scenario

Submitted by Baerbel Epp on December 15, 2016
MTRMR 2016The IEA’s Medium-Term Renewable Energy Market Report or MTRMR 2016 again includes a chapter on renewable heating and cooling – and it’s growing in size. The 282-page document published from Singapore on 25 October analyses on 47 pages the current and future market development of four renewable heating technologies: biomass, solar thermal, geothermal and heat pumps. The IEA began to add a renewable heating chapter to its MTRMR in 2013 – back then, it had only 14 pages. The authors of this year’s edition emphasise the fact that onshore wind and solar PV are the only renewable technologies on track for a 2 °C target.
 

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