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USA: Ups and Downs of Californian Incentive Levels and Application Numbers

Submitted by Baerbel Epp on August 25, 2015
USA California StatisticsIf there were an award for the most transparent support programme in the field of solar heating and cooling, then the California Solar Initiative (CSI) – Thermal Program would get the prize. The CSI-T programme offers a regularly updated and publicly available Excel file of all submitted, approved and paid applications, and this file also includes an amazing amount of additional information, such as collector size, system supplier, contractor for the installation, total project costs or the application itself. The chart above, provided by Lewis Bichkoff, Lead Analyst of the CSI Thermal Program at the California Public Utilities Commission (CPUC), shows the subsidised and installed collector area per year. The annual volume shows significant growth from 953 m² (10,247 ft²) installed and granted during the first year to 36,641 m² (394,401 ft²) in 2014. In 2014, there was a noticeable dominance of pool heating systems, which made up 71 % of the total subsidised collector area.
Chart: CPUC
 

China: Investigating Low-Temperature and Low-Cost Solar Cooling Systems

Submitted by Baerbel Epp on July 31, 2015

Dai Yanjun is among the key solar cooling researchers in China. In cooperation with the IEA Solar Heating and Cooling (SHC) Programme, the professor with more than 15 years of experience in solar cooling research at the Shanghai Jiao Tong University (SJTU) organised the Solar Cooling Week in Shanghai in March. Since 2005, he is Professor at the Institute of Refrigeration and Cryogenics and sees the most promising research being done in the field of thermally driven chillers which fit to standard flat plate and vacuum tube collectors on the market. He also participates in the development of solutions for areas with high humidity.

Austria: Results of 40 Monitored, Non-Residential Projects

Submitted by Baerbel Epp on July 29, 2015

The sixth invitation to tender for large-scale solar thermal systems in Austria is still accepting applications until 24 September. The Austrian Climate and Energy Fund has again allocated a budget of EUR 5.9 million for installing collector fields of between 100 and 2,000 m2 for process heat, district heating, solar cooling, systems with high solar coverage above 20 % in trade and business and innovative technologies. The subsidy covers 40 % of the additional, environmentally relevant costs of the installation and grants a 5 % bonus for small and medium enterprises. As in the past, applicants must consult with experts from one of the three selected Austrian research institutes before submitting their proposal. Over the first five years, the Austrian Climate and Energy Fund spent EUR 17,258,324 on 163 projects. The pie chart shows the distribution of the 163 approved projects broken down by application.
Figure: Austrian Climate and Energy Fund

Solar Electric and Solar Thermal Energy: A Summary of Current Technologies (2014)

Submitted by Francesco Gattiglio on June 26, 2015

This document, written by Tayyebatossadat P. Aghaei of the Global Energy Network Institute (GENI), illustrates the different applications of solar thermal and photovoltaic technology. 

After a brief introduction on the history of solar energy, the document firstly explains the functioning of large scale solar thermal technology systems, differentiating between flat-plate collectors and concentrator collectors. This section includes also graphic representations of the different systems.

Solar Thermal Air Conditioner: Method Of Operation (2010)

Submitted by Raquel Ponte Costa on June 20, 2015

This diagram was created by IceSolair. The diagram explains the methods and modes of how solar thermal air conditioning systems operate, it also looks at the various parts and technologies that allow the system to work, and it shows how the system works in reverse for heating purposes.

Solar Thermal Energy (2007)

Submitted by Raquel Ponte Costa on June 20, 2015

This document was prepared in 2007 by the University of Gavle. The document gives a detailed introduction to solar thermal power, as well as descriptions of various energy applications and active and passive solar heating systems.

The report breaks down in detail the different types of solar thermal systems and collectors. Charts, graphs and photos show the various examples listed.

Overview on Worldwide Installed Solar Cooling Systems (2007)

Submitted by Raquel Ponte Costa on June 14, 2015

This report was submitted by the Institute for Renewable Energy and EURAC Research of Bolzano, Italy in 2007. It is an overview on worldwide installed solar assisted cooling systems. Technical properties of the plans are listed and the dimensioning of single components is discussed. It describes the location and final use of the systems, type of cooling capacity, type of solar collectors, capacity of energy storage, type of power of back up systems, heat rejection technology and hydraulic schemes.

Solar Thermal Case Study: Shouldice Hospital (2012)

Submitted by Raquel Ponte Costa on June 14, 2015

This case study was written by by Gemco Solar. It profiles a solar thermal water heating and air cooling and heating system they installed on the Shouldice Hospital in Thornhill, Ontario, Canada.

2009 Updates and Trends – IREC

Submitted by Raquel Ponte Costa on June 14, 2015

This report was from the Interstate Renewable Energy Council (IREC) Annual Meeting in October, 2009. The report is broken down to cover state incentives & policy trends, solar installation trends, net metering & interconnection updates & trends, and workforce development and training. For current policies that are mentioned to withstand solar growth, they mention the Energy Improvement and Reinvestment Act (part of the federal “bailout bill” in 2008) and the American Recovery and Reinvestment Act (part of the “stimulus bill” in 2009).

Decision Scheme for the Selection of the Appropriate Technology Using Solar Thermal Air-Conditioning (2004)

Submitted by Raquel Ponte Costa on June 13, 2015

This report was written by the Institute for Solar Energy Systems (ISE), in association with the International Energy Agency (IEA) in 2004. This document graphs different solutions for several conditions by implementing solar thermal chillers.

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