The introduction of solar thermal heating systems (water heaters), which use solar energy directly as heat, is making progress in China, Europe, and other areas. Solar water heaters make hot water from solar heat and are used to supply hot water to homes. China’s installed capacity (cumulative total) as of the end of 2010 in particular accounted for approximately 70% of the world’s, with a difference of more than ten-times the capacity compared to the second-place Turkey.
The following reasons could be given for why the use of solar heat is making progress in China:
- The government is proactively promoting its use as part of its environmental measures
- China’s economy is developing and its living standards are on the rise
- China’s proprietary technology is advancing and it is supplying markets with high quality products
China’s solar water heater industry in particular got its start in the latter half of the 1970s, and is comprised of an integrated industrial chain that extends all the way from processing the raw materials to the manufacturing, sales, and servicing of water heater products.
Within China there are said to be some 1,000 companies that are manufacturers of these solar thermal systems, with 25 companies that have received “Golden Sun” product certification. Most of the products are installed domestically within China, but they are also exported to newly emerging countries in Africa and Central and South America, and have even begun to be exported to Europe as well. Some imports are even entering Japan.
Table Installed capacity for solar thermal heating systems (Unit: MW)
Source: Solar Heat Worldwide 2007 - 2012
Fig. Installed capacity for solar thermal heating systems in 2010 (cumulative total)
Source: Solar Heat Worldwide 2012
Fig. Trends in the installed capacity for solar thermal heating systems by country
Source: Renewables 2012 Global Status Report
Institute for Sustainable Energy Policies (ISEP)
Renewables 2010 Global Status Report
Renewables 2011 Global Status Report
- Indonesia Possesses Plentiful Biomass Resources
- Biomass Power Generation by Japanese Companies in Asia
- Release of a Planned Strategy for the Commercialization of Biomass (Japan)
- Gathering Momentum regarding the Introduction of Geothermal Power Generation in Japan
- India’s Potential Installed Capacity for Wind Power is 3,000GW
- China’s Solar Thermal Heating Industry is First in the World