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USA: S.O.L.I.D. Operates 3.4 MWth Cooling System as ESCO in Arizona

Submitted by Baerbel Epp on August 29, 2014
Desert Mountain High SchoolIt is an ideal location for solar cooling use: Scottsdale, a US city in the Greater Phoenix area in Arizona enjoys an average of 312 days of sunshine every year. Between May and September, temperatures rise above 38°C and can even reach 46°C on a hot day. This is where in July 2011, Austrian company S.O.L.I.D has started to plan a solar cooling system for Scottsdale’s Desert Mountain High School (DMHS) of 2,600 students. Three years later, the 3.4 MWth (4,865 m² of collector area) system went into operation and is now supplying heat to a single-effect lithium bromide absorption chiller with a cooling capacity of 1,750 kW. The solar cooling installation at the DMHS is currently the largest of its kind in the world, having surpassed the 2.7 MWth solar thermal capacity (3,900 m²) of another S.O.L.I.D system at the United World College (UWC) in Singapore.
Photo: S.O.L.I.D.
 

Austria/Brazil: Mechanism to Guarantee Energy Supply Contracts

Submitted by Baerbel Epp on July 13, 2013

Energy Service Companies (ESCOs) sell solar heat to clients instead of solar systems. To be profitable, the ESCO or contractors need to supply the energy over long contract periods between 10 and 20 years. For example, Austrian company S.O.L.I.D. has received a EUR 4 million loan for a huge solar cooling system in Singapore, which is being refinanced through an energy supply contract with the United World College over 12 years (see photo). One of the major problems of the solar thermal sector today is to find banks and investors willing to share such a long-term risk. One way out of this dilemma is to have credit security providers joining large-scale solar thermal investments. These providers cover the risk of underperforming systems or outstanding client payments. Public and private financial institutions are both able to prevent financial shortcomings. Case studies from Austria and Brazil show how important these financial guarantee schemes really are.
Photo: S.O.L.I.D.

Solar Process Heat: European Commission Advocates More Research

Submitted by Baerbel Epp on June 2, 2013

In March, almost 40 scientists, engineers and solar process heat specialists met for the 1st workshop of the European InSun project, called "Exchange of experience made with the design and installation of solar process heat systems", which was hosted at the Institute for Solar Technology SPF in Rapperswil, Switzerland. The workshop focused on the experiences with the planning and installation of roof- or ground-mounted solar process heat systems - lead times, project schedule, as well as standards, guidelines and regulations in the different European countries. The photo shows a process heat project in Italy with 1.3 MW Fresnel collectors for the brick industry.
Photo: Soltigua

Europe: Grid Integration Poses Challenge for Solar District Heating

Submitted by Baerbel Epp on May 16, 2013

The first conference “Solar District Heating – Technical solutions, urban planning and business models” took place in the Swedish town of Malmö on 9 and 10 April 2013. It brought together 120 participants from 19 countries: manufacturers, district heating companies, scientists and industry associations. Examples from Sweden made clear that it is not easy to integrate solar heat into a system which has not been designed for it. The main topics in the presentations from Sweden were operation issues and the question what is a fair price for solar heat. But an ongoing discussion in Germany illustrates that the integration of solar into district heating networks also has strong economic and political elements. The photo shows the conference participants visiting a solar plant operated by E.ON Sweden in the Western Harbour of Malmö.
Photo: Solites

Austria: Tough Competition in a Shrinking Market

Submitted by Baerbel Epp on April 29, 2013

2012 meant shrinking sales figures in the Austrian solar thermal market for the third time in a row. Although most states have increased their subsidies for solar thermal, 2013 does not seem to get any better. Three companies went bankrupt within the last four months. Collector prices on the market are dropping – some call it normal competition or the end of a high price era, others call it dumping. According to the sales data from Austria Solar members, the market shrank by almost 16% in 2012 compared to 2011, reaching about 200,000 m² last year.

Singapore: 2.7 MW Cool College with 2,900 pupils

Submitted by Baerbel Epp on August 22, 2011

 United World College (UWC) in Singapore” The solar thermal cooling plant at the United World College (UWC) in Singapore has now entered the commissioning phase. The system's collector surface covers an area of 3,900 m² and powers a 1,500 kW cooling unit, which is based on a single-effect lithium bromide absorption chiller. The United World Colleges are international schools with an emphasis on social and environmental issues. With 2,900 pupils, Singapore's UWC is the largest of the 13 colleges spread around the world.
Photo: S.O.L.I.D.

Solar Cooling Market to experience big Changes

Submitted by Baerbel Epp on July 18, 2011

 Uli Jakob” According to Dr Uli Jakob, Vice President of the “Green Chiller - Association for Sorption Cooling”, the solar cooling sector may soon experience a shift from small series production of a niche market to considerable manufacturing quantities. Jakob points out two signs supporting such a development: First, the approval of the IEA-SHC task 48, “Quality Assurance and Support Measures for Solar Cooling“; second, the recent market entry of big players, such as Stiebel Eltron (Germany) and Hitachi (Japan).
Photo: Bärbel Epp

Austria: Solar District Heating on the Rise in Graz

Submitted by Baerbel Epp on June 16, 2009

 inauguration S.O.L.I.D plant” On the 15th of May, the city of Graz saw the inauguration of another large-scale solar thermal installation (from left): Dr. Wolfgang Messner (Graz AG), Andrea Pavlovec-Meixner and Sonja Grabner (municipal councillors), Christian Holter (S.O.L.I.D) and Wolfgang Malik (Graz AG). Photo: Graz AG

Arizona: Solar Pre-heating for Sports Drinks

Submitted by Baerbel Epp on May 5, 2009
    It is one of the world's most efficient solar thermal installations: the solar thermal pre-heating system, which Gatorade, a subsidiary of the US-American soft drink producer PepsiCo, had installed this year in a factory in Arizona, US. The company responsible for designing the Arizonan installation was the Austrian manufacturer S.O.L.I.D. GmbH. “We are confident that the installation will reach a specific annual yield of 1,200 kWh/m2,” Harald Blazek from S.O.L.I.D GmbH's Project Development department announced.

    Lisbon: Solar cooling system for office complex

    Submitted by Baerbel Epp on September 14, 2008

    CGB Bank in Lisbon with solar coolingSolar thermal installation on top of this huge banking complex in Lisbon: The Portuguese state bank Caixa Geral de Depositos (CGD) commissioned the Austrian engineering company S.O.L.I.D. to design the solar cooling plant.
    Photo: S.O.L.I.D.

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