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OIS offshore Industrie Service GmbH and Green Wind Offshore GmbH have joined forces to form the ARGE O&M Project DolWin3, now, contracted to provide maintenance services for GE Grid GmbH´s power-grid access, called: DolWin3.

The Nordex Group received the unit certificate according to VDE-AR-N 4120 (Technical requirements for the connection and operation of customer installations to the high voltage network (TCC High Voltage) for the N117/3000 turbine from FGH Zertifizierungsgesellschaft mbH in Mannheim.

The new business unit in Sweden was set up in September 2016, and Deutsche Windtechnik AB in Scandinavia has been growing steadily since then.

The Nordex Group installed substantially more wind turbines – 267 units – in its domestic market in 2016 than in the previous year (2015: 176).

Mobile App for Solar Rooftop Systems “ARUN- Atal Rooftop Solar User Navigator and Information Guide on Rooftop Systems was also launched on the occasion. 

Sauer Energy Inc.®, developer of the patented WindCharger® vertical axis wind turbine (VAWT) and manufacturer of the patented WindRider® vertical axis wind turbine, announced, its first partnership with one of the largest alternative energy contractors in the south-west, Joe Moore, of WindSun Energy Systems (WSES), in Carlsbad, California, in business since 1980.

It is the endeavour of every renewable energy company to maximize energy generation as well as to reduce energy consumption

The design of a wind turbine gearbox is challenging due to the loading and environmental conditions in which the gearbox must operate.

Wind turbines face harsh environmental conditions that are even more challenging for offshore units. Proper selection of specialty lubricants that allow wind turbines to run with maximum availability by avoiding non-scheduled shutdowns is one of the key contributors to achieving fast return on investment. 

The fixed and variable operations and maintenance (O&M) costs are a significant part of the overall LCOE of wind power. O&M costs typically account for 20% to 25% of the total LCOE of current wind power systems  Actual O&M costs from commissioned projects are not widely available.


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Wind and solar energy are two major components of renewable energy for a sustainable energy future of India. Increasing energy demand, non-availability of conventional energy resources and  amount  of emission of pollutants from commercial energy generation are major critical issues in considering wind and solar as alternative energy sources. The wind flow produces aerodynamic forces on the turbine blades to rotate and the rotation of the turbine’s shaft is transferred through a gearbox to an electrical power generator, which produces the power into the electrical grid system. Since the wind flow is a natural phenomenon, the power derived from the wind sources shows high variability and intermittency.