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District Heating

Spain: Solar Obligation since 2006

Submitted by Baerbel Epp on August 29, 2008

In March 2006 the Spanish Government passed the new Technical Buildings Code (CTE). It has been the most significant reform of the country’s building sector in decades. The law covers safety, health and noise protection issues in buildings, and it deals with sustainability and energy efficiency aspects. The solar sector of the CTE includes an obligation regarding the use of solar thermal energy in all new buildings and buildings undergoing major renovation and/or changes of use. Solar energy is supposed to cover 30 to 70 % of the domestic hot water demand.

Front-runners of solar district heating

Submitted by Baerbel Epp on June 5, 2008

Solar Thermal District Heating
Feeding directly into the district heating system of the Austrian city of Graz: The collector fields are mounted on four different hall roofs belonging to the AEVG, a municipal waste disposal company.

Photo: S.O.L.I.D. / Oberländer

What are the long-term future perspectives of the sector in Europe?

Submitted by Baerbel Epp on May 9, 2008

The ambitious scenario of the European Solar Thermal Industry Federation (ESTIF) expects Europe will reach 0.7 kWth (1 m2 of collector area) per European in 2020, equivalent to a total capacity in operation in the EU by then of 320 GWth. To reach this target, a suitable support framework will be required and solar will then be widely used for both cooling and supplying process heat, though the majority of this capacity will still supply domestic hot water and space heating.

Which are the big players of the industry?

Submitted by Baerbel Epp on May 9, 2008

You have fast-growing independent producers here which focus on the production of solar thermal components only. Some of these companies are more than 30 years old, like the German Wagner & Co, the Israeli Chromagen and the US-American Sun-Earth. But the global market leaders today are newer firms like Greenonetec in Austria, the biggest flat-plate collector manufacturer in the world, which was founded in 1991 (turnover 2008: 117 million Euro). Find the ranking of the biggest flat-plate collector manufacturers here.

Which are the major solar thermal markets worldwide?

Submitted by Baerbel Epp on May 9, 2008

By far the largest solar thermal market in the world according to newly installed solar thermal capacity per year is China. In 2008, around 21 GWth (30 million m2) were sold in China, which was around 80 % of the world global solar thermal market.

Which are the main market drivers?

Submitted by admin on May 5, 2008

Generally speaking, you can differentiate between naturally growing markets and incentive driven markets. In the former, low-cost solar water heaters are already an economic alternative for households to produce hot water instead of using fossil fuels or electricity. Some examples are: China, which is the biggest solar thermal market in the world, Cyprus which has one of the highest solar thermal capacities in operation per capita in the world, and Turkey, which is the third biggest market in the world.

Renewable Energy Technology Roadmap up to 2020

Submitted by Anonymous (not verified) on April 30, 2008

Published in January 2007, by EREC (European Renewable Energy Council), the document shows the ambitions of the European Renewable Energy Industry to reach the EU targets for 2020 for different sectors, including electricity, heating & cooling, and biofuels.
It provides roadmaps for each sector, predicting its development and the conditions under which progress can be made.

Heat Measurement Technologies for Larger Solar Thermal Systems

Submitted by admin on April 22, 2008

This report provides an overview of the state of the art of measuring heat delivery in larger solar systems, looking also at the costs and accuracy of the measuring systems. The present document was produced within the framework of the Intelligent Energy- Europe project Key Issues for Renewable Heat in Europe (K4RES-H. The project looks at providing guidelines for best practice policies to support renewable heating and cooling (RES-H) technologies.

 

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