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District Heating

A Solar Field of 7,350 m2 - and a Heat & Power Plant

Submitted by Baerbel Epp on June 1, 2009

 installation of 14 m2 Sunmark collectors” The quickest installation possible: It took only one month to set up the 525 flat plate collectors, each with a 14 m2 surface, in the open countryside. The 7,350 m2 solar thermal system feeds the district heating system of the Danish town of Tørring. Photo: Sunmark

Transition to Solar Thermal – Roadmap of Holland Solar (2007)

Submitted by Hans Craen on April 9, 2009

With this 2007 roadmap, the Dutch solar thermal association Holland Solar, sets out a future perspective for solar thermal market development in the Netherlands based on three timeframes i.e. 2015, 2030 and 2050. The document has to be seen in the discussion on the energy transition process and underlines that a change in cultural behaviour is needed to which all stakeholders, especially companies, authorities and research institutes, have to contribute.

May in Europe: Four Solar Thermal Events Within One Month Alone

Submitted by Baerbel Epp on April 3, 2009

There are a lot of places in Europe during the month of May where you can listen to highly regarded solar thermal speakers. Four solar thermal conferences will then take place in three different countries: Germany, Italy and Poland.

Solar thermal symposium

6th to 8th of May 2009 in Staffelstein, Southern Germany

50 % Growth and Other Achievements in the USA

Submitted by Baerbel Epp on April 1, 2009

The Solar Energy Industries Association (SEIA) estimates in its latest publication, “U.S. Solar Industry Year in Review 2008”, that the solar thermal market in the United States has grown by 50 % last year, to almost 229,000 m2 (160 MWth). The state with the biggest share of the market is still Hawaii. The number of solar water heaters that the three public utility companies Heco, Helco and Meco rebated even grew by 55 %, to 8,207 systems in 2008 (2007: 5,295 systems).

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

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).

Canada Committed to Solar Thermal Energy

Submitted by Baerbel Epp on December 22, 2008

The first solar seasonal storage facility on the North American continent: Since September 2007, 52 single-family homes at the Drake Landing Solar Community in Okotoks near Calgary have been heated using 800 collectors of the Canadian manufacturer Enerworks and a ground reservoir with 140 boreholes. Photo: Enerworks

More Research Needed for New Storage Materials

Submitted by Baerbel Epp on November 17, 2008

If solar energy is to be the primary or only source of heat for houses in the future, there will arise a need for storing it more efficiently. Materials have to be found that are able to hold more energy than water, but with less volume and higher loss. Task 32 of the International Energy Agency's (IEA) Solar & Cooling programme was working on this issue. The scientists presented their results at the Eurosun 2008 in Lisbon, at the beginning of October.

Canada: Solar Thermal Energy Competitive with Natural Gas

Submitted by Baerbel Epp on November 14, 2008

biggest installation in CanadaCanada’s biggest solar thermal installation with 223 kW (319 m²) pumps heat to Wood Green Community Services in Toronto. Photo: Mondial Energy

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