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KGRA Energy Subsidiary to Supply Waste Heat Recovery System to Weyerhaeuser
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Lake Forest, Illinois, USA, 25 April 2011 -- /PRNewswire/ -- KGRA Energy LP, a U.S.-based waste heat recovery developer, announced today that it has signed a contract with Weyerhaeuser Company (NYSE:WY - News), one of the world's largest forest products companies. KGRA's subsidiary, Ayden HTP Partners LLC, will design and construct an 800 kW waste heat recovery system at Weyerhaeuser's Greenville, North Carolina, lumber mill.  
The system, which is scheduled to come online in the summer of 2011, will recover waste heat from Weyerhaeuser's biomass-based thermal drying system to generate 4.5 million kWh of carbon dioxide-free electricity per year. KGRA's system will displace the equivalent of more than 9 million pounds of carbon dioxide each year.

KGRA Energy's system uses the organic Rankine cycle to recover waste heat from viable sources, such as combustion engine exhausts, furnaces, boilers, and kilns, converting it into usable carbon dioxide-free electricity, which lowers energy costs and heat pollution.  KGRA's systems are modular and scalable, providing the ability to produce power from smaller and lower-temperature heat sources previously deemed unsuitable for standard cogeneration. KGRA projects are customized for the direct needs and specifications of each customer. At the Weyerhaeuser lumber mill, heat will be recovered from a kiln where cut lumber enters the drying process.

The organic Rankine cycle equipment that will be installed in Weyerhaeuser's Greenville lumber mill will be made in America. Additionally, the project is expected to create 19.7 American jobs throughout the development, construction, and installation process.

Weyerhaeuser and Ayden HTP Partners LLC, a joint-venture between KGRA Energy and the ORC equipment supplier, TAS Energy LLC, a subsidiary of Turbine Air Systems, LTD, completed the agreement in March 2011. Installation of the project is expected to begin in June and the plant intends to be operational by the end of July 2011.

KGRA Energy LP develops customized renewable energy power generation projects. The company manages the design, construction, and installation of organic Rankine cycle waste heat recovery systems that create carbon dioxide-free renewable energy for business and utility clients. KGRA's systems are modular and scalable and produce power from waste heat sources deemed unsuitable for traditional cogeneration. KGRA enables pulp and paper, lumber, refinery, cement, and power plant clients to convert waste heat to usable electricity, reduce energy costs, lower carbon footprints, and create a sustainable future. Visit www.kgraenergy.com for more information.

Weyerhaeuser Company, one of the world's largest forest products companies, began operations in 1900. The company grows and harvests trees, builds homes, and makes a range of forest products essential to everyday lives. Weyerhaeuser manages its timberland on a sustainable basis in compliance with internationally recognized forestry standards. At the end of 2010, the company had approximately 14,000 employees in 10 countries, and generated USD 6.6 billion in sales that year. Weyerhaeuser stock trades on the New York Stock exchange under the symbol WY.  Additional information is available at www.weyerhaeuser.com.

TAS Energy Inc. is a technology company that provides clean economic power solutions by focusing on the energy efficiency and renewable energy markets. TAS designs and manufactures modular energy conversion and cooling systems for the power generation industry; district, commercial, and industrial process cooling; and the renewable energy sector. TAS specializes in high efficiency standard product designs optimized for high life cycle return performance. Its product capabilities include geothermal and industrial waste heat power generation solutions, gas-fired generation augmentation, chilled water systems, modular data centers, and clean heat and power on-site energy systems. More can be learned at http://www.tas.com.


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