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Minnesota

Analyzing the Design and Performance of a Retrofit Solar Thermal Combination DHW and Space Heating System (2010)

Submitted by Raquel Ponte Costa on April 7, 2015

This paper comes from James Dontie of Gustavus Adolphus College. It reports on an analysis of a solar thermal combination domestic hot water and space heating system which was retrofitted into a residence in Minnesota.

The analysis attempts to distinguish between improvements to the residence’s heating system that came through using a solar thermal system instead of a conventional system, as compared to efficiencies that were the result of simply installing new equipment.

The Value of Solar Heating and Cooling (SHC) in Minnesota: Solar Thermal and Minnesota Energy and Climate Goals (2013).

Submitted by Raquel Ponte Costa on February 13, 2015

This study on the value of solar heating and cooling, commissioned by the Minnesota Department of Commerce, analyses how solar thermal energy can help the state in reaching the climate and energy goals of reducing greenhouse gases emissions by 80% by 2050 and relying on renewable energy to produce 25% of electricity by 2025.

USA: Low Expectations and a Shift towards Commercial Systems

Submitted by Baerbel Epp on November 13, 2009

 Leveredge Commercial Application Florida” Commercial applications have gained momentum in the US over the last two years. The system shown in the picture is a project by the The Leveredge company from Florida. The 223 m2 installation heats up to 15,000 litres per day.
Photo: The Leveredge

Building Minnesota’s Solar Future: The Option of a “Solar Carve-Out” in the Renewable Energy Standard (2008)

Submitted by Hans Craen on June 12, 2009

This brief was put out by the associate director of the Green Institute in 2008. The purpose of this document is to plan a program to build on the current Minnesota state program – a solar rebate ending in 2009.

Confident Newcomers in the U.S.

Submitted by Baerbel Epp on August 20, 2008

After almost 20 years of stagnant markets, since 2005 the U.S. solar thermal market is exploding. According to the official governmental statistics (www.eia.doe.gov) the market rose by 77 % in 2006 to 111,480 m2 (78 MWth). After many years of winter sleep the local industry is waking up. Interesting and self-confident newcomers enter the stage.

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