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Heat Storage

Germany: District Heating Companies encourage Customers to feed in Solar Heat

Submitted by Baerbel Epp on October 27, 2011

 District Heating Project in Hamburg WilhelmsburgIn Hamburg in northern Germany, two district heating providers encourage their customers to supply the companies' networks with heat generated from individually owned solar collectors or other renewable sources. E.On Hanse Wärme offers to store heat for a fee, whereas Hamburg Energie buys renewable heat for a fixed price per kWh.
Photo: IBA Hamburg

Switzerland: Jenni Energietechnik AG expands Production Capacity

Submitted by Baerbel Epp on October 24, 2011

 Storage Production of Jenni Energietechnik AG, Switzerland Orders for large solar storage tanks are on the rise: Swiss Jenni Energietechnik AG is currently expanding its production capacity to meet the greatly increased demand. At its Oberburg headquarters, the solar company is constructing a new building for the manufacturing of large storage tanks. According to CEO Josef Jenni, the additional facility will enable the company to produce five times as much as before.
Photo: Jenni Energietechnik AG

Germany: Independent of Energy Utilities

Submitted by Baerbel Epp on May 18, 2011

 Helma’s energy self-sufficient home ” Living without gas and electricity grid connection: On 5 May, German building promoter Helma Eigenheimbau AG inaugurated its first energy self-sufficient home located in the 'show house park for sustainable construction' at the company’s headquarters in Lehrte, Germany. The sun supplies the thermal energy required for hot water and space heating, as well as the electricity for the household and the electric car. As a result, the house is completely independent from any energy suppliers.
Photo: Helma Eigenheimbau AG

Austria Email: Polyester Fibre Fleece Insulation for up to 5,000 litre Tanks

Submitted by Baerbel Epp on April 12, 2011

 Storage tank with new polyester fibre fleece insulation” The new polyester fibre fleece insulation by Austrian OEM tank manufacturer Austria Email was the star attraction of the company's stand at the international heating fair ISH in Frankfurt in March. Austria Email started producing polyester fibre fleece last year in their factory in Knittelfeld and launched it under the name 'Eco Skin'. 70% of the raw material comes from recycled polyester fibre, which, in turn, comes from recycled PET bottles - 30 % is new material. Unique is the composition of the fleece material.
Photo: Bärbel Epp

Sweden: First Buffer Tank receives P-Mark Certificate

Submitted by Baerbel Epp on December 14, 2010

 Buffer tank Ecoscience” The buffer tank Ecoscience by Swedish tank manufacturer Fueltech Sweden AB is the first tank to receive the P-Mark certification. After one year of testing and paper work, the P-labelling of the 520 litre tank with fresh-water station and external solar loading module was approved at the beginning of November 2010. P-Mark is a quality mark developed by SP, the Swedish National Testing and Research Institute. To receive the label, a product must fulfil requirements in four different categories: efficiency, safety, documentation and manufacturing quality.
Photo: Fueltech Sweden

Turkey: Baymak invests US$ 10 million in new Tank Factory

Submitted by Baerbel Epp on August 18, 2010

 Tank production factory ” Heart of Baymak's new tank production factory in Tuzla near Istanbul, Turkey, is its automated, enamelling line: The production capacity has increased from 75,000 to 175,000 tanks per year.
Photo: Baymak

Ventilation Performance of Solar Chimney with Built-in Latent Heat Storage (2006)

Submitted by Raquel Ponte Costa on March 12, 2010

This document was prepared by two researchers from the Osaka University, Department of Architectural Engineering. It describes the prototype solar chimney with PCM (Phase Change Material) storage, together with a numerical model for predicting air flow rate in a solar chimney and temperature of aluminum plate, air and PCM.

Germany: Web Portal about Seasonal Heat Storage

Submitted by Baerbel Epp on February 25, 2010

 Web Portal” The six main features in different colours: This is the brand mark of a new website called saisonalspeicher.de (seasonal heat storage) launched in December by Solites, the German Research Institute for Solar and Sustainable Thermal Energy Systems within the company network of the Steinbeis Foundation.

Building Integrated Solar Thermal Roofing Systems History, Current Status and Future Promise (1999)

Submitted by Hans Craen on December 30, 2009

This document from 1999 was prepared by the American Solar Roofing Company and explains building integrated solar thermal (BIST) designs.

There are four characteristics mentioned in this report to help distinguish the different types of BIST roofing: roof panel size, heat transfer fluid containment, glazing and focusing methods. It discusses the history of BIST and mentions some of the earliest examples of this technology. It also explains the composition of these systems, describing the materials used and how it works.

Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution (2004)

Submitted by Hans Craen on December 30, 2009

This report was released by the Energy Efficiency and Renewable Energy section of the U.S. Department of Energy in 2004. It highlights a large-scale solar thermal system installed at the Phoenix Federal Correctional Institution (FCI) and breaks down the statistical output.

The system was financed through an Energy Savings Performance Contract (ESPC), which include an average annual savings of $6,700. The system produces up to 50,000 gallons of hot water daily, 1,000 megawatt-hours of electricity and releases approximately 600 tons of CO2.

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