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USA: Extended Tax Credits for Weak Solar Thermal Market

Submitted by Baerbel Epp on February 24, 2016
CalseiaAgainst all odds, the solar heating tax credits in the USA were extended again by 5 years. On 18 December 2015, the Consolidated Appropriations Act was signed, including an extension of the so-called federal Investment Tax Credits up to 2021. Originally, the tax incentives were expected to end on 31 December 2016 after an eleven-year period since 2005, with one previous extension in 2008. They allow both residential and commercial investors of solar PV and solar thermal systems to deduct 30 % of the investment costs at the next tax declaration.
Photo: Calseia.org

USA: S.O.L.I.D. Operates 3.4 MWth Cooling System as ESCO in Arizona

Submitted by Baerbel Epp on August 29, 2014
Desert Mountain High SchoolIt is an ideal location for solar cooling use: Scottsdale, a US city in the Greater Phoenix area in Arizona enjoys an average of 312 days of sunshine every year. Between May and September, temperatures rise above 38°C and can even reach 46°C on a hot day. This is where in July 2011, Austrian company S.O.L.I.D has started to plan a solar cooling system for Scottsdale’s Desert Mountain High School (DMHS) of 2,600 students. Three years later, the 3.4 MWth (4,865 m² of collector area) system went into operation and is now supplying heat to a single-effect lithium bromide absorption chiller with a cooling capacity of 1,750 kW. The solar cooling installation at the DMHS is currently the largest of its kind in the world, having surpassed the 2.7 MWth solar thermal capacity (3,900 m²) of another S.O.L.I.D system at the United World College (UWC) in Singapore.
Photo: S.O.L.I.D.
 

Singapore: 2.7 MW Cool College with 2,900 pupils

Submitted by Baerbel Epp on August 22, 2011

 United World College (UWC) in Singapore” The solar thermal cooling plant at the United World College (UWC) in Singapore has now entered the commissioning phase. The system's collector surface covers an area of 3,900 m² and powers a 1,500 kW cooling unit, which is based on a single-effect lithium bromide absorption chiller. The United World Colleges are international schools with an emphasis on social and environmental issues. With 2,900 pupils, Singapore's UWC is the largest of the 13 colleges spread around the world.
Photo: S.O.L.I.D.

USA: 100th Anniversary of modern Solar Thermal Heater

Submitted by Baerbel Epp on November 19, 2010

 William J. Bailey” Pioneering solar water heater technology in California: William J. Bailey, a clever business man from California, started producing solar water heaters in his company Day and Night Solar Heater Co. exactly 100 years ago. The technology was based on Bailey´s own patent, which was approved on 2 August 1910.
Photo: A Golden Thread*

USA: A.O. Smith, Rheem and Bradford White discover Solar Technology

Submitted by Baerbel Epp on June 23, 2010

 Rheem storage tanks” The three major US-American water heater manufacturers - A.O. Smith, Rheem and Bradford White – are pushing into the solar thermal sector. All of them specialize in solar water heaters in the size of 60 / 80 and 120 gallons. Rheem and A.O. Smith additionally offer entire kits by purchasing collectors from OEM manufacturers. Photo: Rheem

Heating Water with Solar Energy Costs Less at the Phoenix Federal Correctional Institution (2004)

Submitted by Hans Craen on December 30, 2009

This report was released by the Energy Efficiency and Renewable Energy section of the U.S. Department of Energy in 2004. It highlights a large-scale solar thermal system installed at the Phoenix Federal Correctional Institution (FCI) and breaks down the statistical output.

The system was financed through an Energy Savings Performance Contract (ESPC), which include an average annual savings of $6,700. The system produces up to 50,000 gallons of hot water daily, 1,000 megawatt-hours of electricity and releases approximately 600 tons of CO2.

Emerging Technology Option for Clean Power Generation - Concentrated Solar Power (2009)

Submitted by Hans Craen on May 5, 2009

This 2009 paper underlines the overall benefits of solar power especially when considered as part of a country or region's energy generation options mix. In addition to listing the available technologies, the document also looks into the economics of solar thermal and provides a summary comparison among parabolic through, central receiver and parabolic dish technologies.

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