The Optifire 763 wood burning fire burns normal wooden logs as well as logs made from compressed wood shavings. For the installation of the Optifire 763 wood burning fireplace, the ceiling should be insulated with a minimum thickness of 107mm, the side wall with 118mm and the back wall with 174mm.
Construction of the 149 megawatt Rugby Wind Power Project near Rugby, North Dakota has been completed by Iberdrola Renewables. The project cost amounted to about $300 million. The operations building, 16.4 miles of road and 71 wind turbines were built with the help of 250 construction workers. The National Renewable Energy Laboratory (NREL) estimated that 809 jobs were available during the construction process and another 29 jobs will be created during the operating process of the Rugby project. This estimation was based on NREL’s Jobs and Economic Development Impact model, which takes into consideration the supply chain and other related factors.
Vestas has received an order from the German company Prokon for 48 V90-2.0 megawatt wind turbines. These wind turbines are required for various locations in Poland. The contract includes supply of VestaOnline Business SCADA solution, commissioning of the wind turbines, delivery and installation. These 48 V90-2.0 megawatt wind turbines will be delivered during the years 2010 to 2012.
Suzlon Energy, the third largest wind turbine maker in the world, has signed repeat orders with ITC for setting up, operating and maintaining two wind power projects in the states of Maharashtra and Karnataka. The project in Maharashtra will add 6 megawatt of capacity from four units of Suzlon’s S-82 1.5 megawatt turbine and the Karnataka project will add 21 megawatt of capacity from ten units of Suzlon’s S88 – 2.1 megawatt turbine.
A new technology was successfully tested on a wind turbine that increases the electricity generation by Risø DTU. A laser-based anemometer is built into the spinner of the wind turbine and this system predicts the turbulence, direction and gusts of wind. Torben Mikkelsen, Professor at Risø DTU, said that the new technology will enable wind turbines in future to substantially increase energy production. The LIDAR, as the system is called, will also reduce loads significantly.
Hoku Materials and Shanghai Alex New Energy announced the amendment of the polysilicon supply agreement between the two companies. Hoku Materials, a subsidiary unit of Hoku Scientific, is engaged in manufacturing and selling polysilicon for the solar market. Shanghai Alex New Energy manufactures solar modules, photovoltaic products and crystalline silicon solar cells in China.
An agreement was signed by Enel Green Power, Sharp and STMicroelectronics for the manufacture of triple-junction thin-film photovoltaic panels in Italy. Enel Green Power and Sharp had signed a Memorandum of Understanding in this regard in May 2008. STMicroelectronics has joined the partnership for the manufacture of photovoltaic panels. In addition to the manufacturing agreement, Enel Green Power and Sharp has signed another agreement to develop solar farms jointly.
The SW100 solar module is made of single crystalline solar cells, which are enclosed and sealed to the glass in manifold layers of EVA. These solar cells are covered with a white Tedlar film to provide long service life in harsh weather conditions. The glass surface is impact resistant and maximum light can be transmitted through this surface.
Madden Systems offers production logging services for geothermal projects. The geothermal logging tool, specially developed for the geothermal industry, helps in surveillance of the steam wells that are used for producing electricity. The tool can be used for logging even in harsh environments. The geothermal logging tool can be used as a memory tool. For most of the time, the tool is used with e-line in surface readout setting.
The refrigerant utilized in the Envision units is of the R-410A type, which does not pose any threat to the ozone layer. It also complies by various standards set by the EPA. The five dual capacity sizes of the Envision series from Love's Geothermal make them more reliable and versatile for use in varied applications. The various configurations in which the Envision series from Love's Geothermal are available include the vertical bottom discharge type, vertical top discharge type and horizontal top discharge type.
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