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- Category: Articles
Developing Energy Storage Solutions for the Electric Utility and Transportation Industries
At the most fundamental level, energy storage – like storage in any other supply chain – fulfils a very basic function: it decouples supply from demand. That is, it allows the product to be produced on one schedule and consumed on another. The basic principle that supply and demand should be decoupled governs the design of every major supply chain … except electricity. In this article Steve Hellman, of Eos, talks about the importance of decoupling supply from demand and goes on to explain how Eos’ zinc batteries could help wind and other renewable energy industries with this decoupling.
By Steve Hellman, President, Eos Energy Storage, USA
At the most fundamental level, energy storage – like storage in any other supply chain – fulfils a very basic function: it decouples supply from demand. That is, it allows the product to be produced on one schedule and consumed on another. The basic principle that supply and demand should be decoupled governs the design of every major supply chain … except electricity. In this article Steve Hellman, of Eos, talks about the importance of decoupling supply from demand and goes on to explain how Eos’ zinc batteries could help wind and other renewable energy industries with this decoupling.By Steve Hellman, President, Eos Energy Storage, USA
- Category: Articles
Differences in Risk Approach Between Banks and Utilities
The offshore wind farm sector is gaining momentum. New projects with a capacity of 866MW were installed in 2011. However, a uniquely difficult combination of risks has brought about significantly different approaches to project management between banks and utilities. While utilities strive for a high degree of autonomy in terms of structuring the projects, banks call for a direct influence on and total transparency in the project contracts. Understanding these different perspectives will help both sides to cooperate in order to finance the massive pipeline of future projects.
By Simon Matthiessen and Jérôme Guillet, Green Giraffe Energy Bankers
The offshore wind farm sector is gaining momentum. New projects with a capacity of 866MW were installed in 2011. However, a uniquely difficult combination of risks has brought about significantly different approaches to project management between banks and utilities. While utilities strive for a high degree of autonomy in terms of structuring the projects, banks call for a direct influence on and total transparency in the project contracts. Understanding these different perspectives will help both sides to cooperate in order to finance the massive pipeline of future projects.By Simon Matthiessen and Jérôme Guillet, Green Giraffe Energy Bankers
- Category: Articles
First Successful Trial of a Floating Lidar Device in Real Offshore Conditions in the North Sea
A full-size prototype of the floating lidar offshore resource assessment system, known as FLIDAR, has been successfully tested 15 kilometres off the Belgian coast. It was located next to a stationary lidar (WINDCUBEv2 lidar from Leosphere) on a fixed communication mast for the month of October 2011 in order to test survivability and validate the accuracy of the wind speed measurements.
By Bruce Douglas, Sales & Marketing Director, 3E, Belgium
A full-size prototype of the floating lidar offshore resource assessment system, known as FLIDAR, has been successfully tested 15 kilometres off the Belgian coast. It was located next to a stationary lidar (WINDCUBEv2 lidar from Leosphere) on a fixed communication mast for the month of October 2011 in order to test survivability and validate the accuracy of the wind speed measurements.By Bruce Douglas, Sales & Marketing Director, 3E, Belgium
- Category: Articles
Testing Turbines in Order to Apply an International Consumer Label
Historically, small wind turbine (SWT) manufacturers have not had to undergo the same stringent certification procedures as large wind turbine manufacturers, and SWT test data has often been provided by manufacturers without verification and in varying formats, making it difficult for consumers to compare products. To enable consumers to make an informed decision when purchasing a SWT, a method for consumer labelling has been developed under the wings of the International Energy Agency (IEA) and the International Electrotechnical Commission (IEC). This labelling method can also be of benefit to professional buyers of SWTs and should spur the industry to develop better products. Some manufacturers of SWTs have already done much of the type testing according to IEC standards, which is required for the label, and expect to apply the label to their products during 2012.
By Sven Ruin, TEROC AB, Sweden, and Jonathan Whale, Murdoch University, Australia
Historically, small wind turbine (SWT) manufacturers have not had to undergo the same stringent certification procedures as large wind turbine manufacturers, and SWT test data has often been provided by manufacturers without verification and in varying formats, making it difficult for consumers to compare products. To enable consumers to make an informed decision when purchasing a SWT, a method for consumer labelling has been developed under the wings of the International Energy Agency (IEA) and the International Electrotechnical Commission (IEC). This labelling method can also be of benefit to professional buyers of SWTs and should spur the industry to develop better products. Some manufacturers of SWTs have already done much of the type testing according to IEC standards, which is required for the label, and expect to apply the label to their products during 2012.By Sven Ruin, TEROC AB, Sweden, and Jonathan Whale, Murdoch University, Australia
- Category: Articles
A Technical Description of the Blade Array Concept
The Ecowhisper Wind Turbine (EWT) is built from a number of interdependent systems. The Blade Array interacts with the wind and its performance determines the overall performance of the whole EWT system. In this article the different interdependent systems are described.
By Stephen Thomas, Chief Technical Officer, RESA, Australia
The Ecowhisper Wind Turbine (EWT) is built from a number of interdependent systems. The Blade Array interacts with the wind and its performance determines the overall performance of the whole EWT system. In this article the different interdependent systems are described.By Stephen Thomas, Chief Technical Officer, RESA, Australia
- Category: Articles
The Netherlands’ Contribution to Offshore Wind Energy Knowledge
In the past five years many aspects of harvesting wind energy from the North Sea have been studied within the framework of the research programme We@Sea. We@Sea was a Dutch government-sponsored programme that ran between 2004 and 2010 and was carried out by a consortium consisting of representatives of all the sectors which are involved in realising large-scale offshore wind energy projects in the North Sea. The sectors included manufacturers of wind turbine systems, research establishments specialised in both technology and marine ecology, electricity companies, technical consultants, NGOs, financial institutions and, last but not least, offshore contractors and operators.
By Jos Beurskens (ECN), The Netherlands
In the past five years many aspects of harvesting wind energy from the North Sea have been studied within the framework of the research programme We@Sea. We@Sea was a Dutch government-sponsored programme that ran between 2004 and 2010 and was carried out by a consortium consisting of representatives of all the sectors which are involved in realising large-scale offshore wind energy projects in the North Sea. The sectors included manufacturers of wind turbine systems, research establishments specialised in both technology and marine ecology, electricity companies, technical consultants, NGOs, financial institutions and, last but not least, offshore contractors and operators.By Jos Beurskens (ECN), The Netherlands
- Category: Articles
A Design Study
Wind turbines in use today are not able to catch the abundant flow of wind energy a kilometre or so above our heads. This article describes a design for a wind turbine of up to 500MW capacity that could be deployed at many places throughout the world.
By Dr J.M.E. Beaujean, Bogey Venlo BV, The Netherlands
Wind turbines in use today are not able to catch the abundant flow of wind energy a kilometre or so above our heads. This article describes a design for a wind turbine of up to 500MW capacity that could be deployed at many places throughout the world.By Dr J.M.E. Beaujean, Bogey Venlo BV, The Netherlands
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