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Technical Requirements of Low Temperature Solar Systems (2009)

Submitted by Raquel Ponte Costa on August 10, 2009

This document produced, in 2009, by IDEA (Instituto para la Diversificación y Ahorro de la Energía) in collaboration with CENSOLAR (Spanish Solar Energy Training Centre), provides an overview of the minimum technical conditions to be met by solar thermal water heating systems, covering also durability, reliability and security requirements.

The purpose is to establish technical conditions to be considered during the call for subsidies regarding solar thermal installations, included in the Spanish Renewable Energy Plan for 2005-2010.

Solar Thermal Ordinances: State of Art in Europe (2008)

Submitted by Raquel Ponte Costa on July 15, 2009

This report, from 2008, produced by Intelligent Energy Europe, and integrated in the ProSTO project (Best Practice Implementation of Solar Thermal Obligations) makes an assessment of existing solar thermal ordinances (STO), using a total of 11 case studies in different countries such as Italy, Spain, Germany, Ireland and Portugal.

Comprehensive Testing of laser-welded Aluminium Absorbers

Submitted by Baerbel Epp on July 15, 2009

 mirotherm absorber fact book” Shock, deformation, solidness and corrosion tests of laser-welded absorbers are all described in the “mirotherm absorber fact book”. This book can serve as a best practice resource for testing standards of new absorber and collector panels in the sector. Photo: Alanod

Manufacturer Founds Air Collector Association SAHWIA

Submitted by Baerbel Epp on June 23, 2009

solar air collectors of Solarwall” Air collector companies exist very much in the shadows of the manufacturers of water collectors. Therefore a Solar Air Heating World Industry Association (SAHWIA) is necessary. But not all manufacturers are pleased with the procedure that lead to the association’s founding. Photo: Solarwall

Mechanical Equipment & Control Strategies for a Chilled water and a Hot water system (2008)

Submitted by Hans Craen on April 19, 2009

This report from 2008 falls within the framework of the Internal Energy Agency’s Solar Heating and Cooling Programme.

The objective of this report is to undertake pre-normative research to develop a comprehensive and integrated suite of building energy analysis tool tests involving analytical, comparative, and empirical methods.

These methods will provide for quality assurance of software some of which will be enacted in specific standards to be used for certifying software used for showing compliance to building energy standards.

Barriers to Technology Diffusion: the Case of Solar Thermal Technologies (2006)

Submitted by Hans Craen on March 27, 2009

This joint paper from the OECD and IEA (October 2006) looks into the different barriers that exist which prevent solar thermal technologies to deliver its real potential. Next to listing the barriers, the document also looks into means to overcome these, the existing technologies & markets and identifies best practices which can be used by policy makers in both industrialised and developing countries.

Three barriers to diffusion are analysed in more detail:

(1) Technical barriers,

(2) Economic barriers and

Cape Town: Draft of Solar Water Heating Bye-law

Submitted by Baerbel Epp on March 25, 2009

Thermosiphon system in Cape townCurrently, solar water heating systems have hardly penetrated in Cape Town, South Africa. Only 2 % of city’s 906,000 households use solar energy. The planned bye-law should boost the market to 76,000 newly installed system in the next two years, but has been delayed due to continuous legal obstacles. Photo: Sustainable Energy Africa

Enlarging Testing Facilities for SRCC in the USA

Submitted by Baerbel Epp on February 15, 2009

The extension of the federal tax credits by eight years and the election of Barack Obama have suddenly made the U.S. market for solar thermal energy far more attractive. The importance of imports of collectors and systems is growing. The number of flat plate and evacuated tube collectors has increased more than tenfold within three years according to the statistics of the Energy Information Administration (EIA) from 3,000 m2 (2005) to 36,000 m2 (2007).

Dynamic Market Growth in the UK

Submitted by Baerbel Epp on February 2, 2009

The UK was still one of the most dynamic solar thermal markets in Europe in 2008 – despite the worldwide economic crisis. According to the British Solar Trade Association (STA), the amount of solar thermal collectors installed countrywide in 2008 grew by 50 % to 81,000 m2 (57 MWth)."

Green Chiller: Promoting Solar Air Conditioning

Submitted by Baerbel Epp on February 1, 2009

solar cooling of malta retirement houseCooling with the sun: This retirement home in Kalkara, Malta, is conditioned by a chillii Solar Cooling Kit PSC10 (10 kW cooling capacity). 38 m² flat plate collectors are used to generate the heat for the ammonia/water absorption chiller.
Photo: SolarNext

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