Solar Heat Worldwide
Markets and Contribution to the Energy Supply 2011
This report was prepared within the framework of the Solar Heating and Cooling Programme (SHC) of the International Energy Agency (IEA). The goal of the report is to document the solar thermal capacity installed in the important markets worldwide, and to ascertain the contribution of solar thermal systems to the supply of energy and the CO2 emissions avoided as a result of operating these systems. The collectors documented are unglazed collectors, glazed flat-plate collectors (FPC) and evacuated tube collectors (ETC)withwater as the energy carrier as well as glazed and unglazed air collectors.
The data were collected from a questionnaire survey of the national delegates of the SHC Programme’s Executive Committee and other national experts active in the field of solar thermal energy. Assomeof the 56 countries included in this report have very detailed statistics and others have only estimates from experts, the data was checked for its plausibility on the basis of various publications.
Starting with the collector area, respectively the capacity installed, the contributions of solar thermal systems towards the supply of energy and the reduction of CO2 were ascertained.The 56 countries included in this report represent 4.3 billion people, which is round 61%of the world’s population. The installed capacity in these countries is estimated to represent 95% of the solar thermal market worldwide.
Total installed capacity in operation worldwide by the end of 2011
By the end of 2011, an installed capacity of 234.6 GWth corresponding to a total of 335.1 million square meters1 of collector area was in operation in the 56 countries recorded in this report. These 56 countries represent 4.3 billion people, which is 61% of the world’s population. The installed capacity in these countries represents more than 95% of the solar thermal market worldwide.
The vast majority of the total capacity in operation was installed in China (152.2 GWth) and Europe (39.3 GWth), which together accounted for 81.6% of the total installed. The remaining installed capacity was shared between the United States and Canada (16.7 GWth), Asia excluding China (9.6 GWth), Latin America (6.3 GWth), Australia and New Zealand (4.9 GWth), the MENA2 countries Israel, Jordan, Lebanon, Morocco and Tunisia (4.7 GWth) as well as between some Sub-Sahara African countries (0.9 GWth), namely Mozambique, Namibia, South Africa and Zimbabwe.
The breakdown of the cumulated capacity in operation in 2011 by collector type is 27.9% glazed flat-plate collectors, 62.3% evacuated tube collectors, 9.2% unglazed water collectors and 0.7% glazed and unglazed air collectors.
The leading countries in cumulated unglazed and glazed water collector capacity in operation in 2011 per 1,000 inhabitants were Cyprus (542 kWth /1,000 inhabitants), Austria (406 kWth /1,000 inhabitants), Israel (400 kWth /1,000 inhabitants), Barbados (322 kWth /1,000 inhabitants), Greece (268 kWth /1,000 inhabitants), Australia (212 kWth /1,000 inhabitants), Germany (131 kWth /1,000 inhabitants), Turkey (129 kWth /1,000 inhabitants), China (114 kWth /1,000 inhabitants) and Jordan (114 kWth /1,000 inhabitants).
Newly installed capacity worldwide in 2011
In the year 2011, a total capacity of 48.1 GWth, corresponding to 68.7million squaremeters of solar collectors, was installed worldwide. This means an increase in new collector installations of 14.3% compared to the year 2010. Themainmarkets were in China (40.32 GWth) and Europe (3.93 GWth), which together accounted for 92.1% of the overall new collector installations in 2011. The rest of the market was shared between Asia excluding China (0.94 GWth), Latin America represented by Brazil, Chile and Mexico (0.92 GWth), the United States and Canada (0.76 GWth), Australia (0.70 GWth), the MENA region represented by Israel, Jordan, Lebanon and Tunisia (0.40 GWth) and the Sub-Sahara African countries Mozambique, South Africa and Zimbabwe (0.09 GWth).
The breakdown of the newly installed capacity in 2011 by collector type is 14.7%glazed flat-plate collectors, 81.9% evacuated tube collectors, 3.2% unglazed water collectors and 0.2% glazed and unglazed air collectors.
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