PICKING THE RIGHT SOLAR INSTALLER
Federal and state rebates can save you as much as 50% on your total cost, so it is important the company is taking every advantage of available rebates.
PIT POWER TOWER
This article presents the novel combination of a Pneumatic Power Tower and Solar Power Tower in an Open Pit Mine: called a "Pit Power Tower" (PPT).
SOLAR WINDOW FILM IN NEW YORK CITY
The new generation of clear solar control window films offer different choices, featuring the ability to block solar heat without blocking the sun's natural daylight. The best among them are those offering true Infrared Reflectance, using Southwall Technology's "heat-mirror" technology to ensure that solar heat is reflected away from the window and not absorbed into the building or the window glass.
THE FUTURE OF EVACUATED TUBE TECHNOLOGY
The media, policymakers and even those in the industry have let evacuated tubes languish as a mere cousin to solar electric.
THE TRUTH ABOUT AN ENERGY EFFICIENT HOME
There has been a lot of progress made recently in improving energy efficiency, but it's important to look at the process and your house as a whole - an improvement in just one area of your home will not necessarily work.
WATER CONSERVATION
How many of us defrost frozen meat with running water instead of letting it thaw in the fridge? How many times do you use the hose to sweep off the driveway when a broom can be just as effective?
Smart Grid - The Internet for the Energy Economy
The nation's century-old energy grid might get an upgrade soon to handle alternative energy. The economic stimulus package has earmarked $11 billion to invest in smart meters and 3,000 miles of renewable-energy transmission lines. Venture capitalists and utilities also are investing in smart-grid applications at a record pace. "It's like the Internet for the energy economy," said Katherine Hamilton, head of the GridWise Alliance.
Cisco EnergyWise Partner Program
Cisco this week initiated a partner program that integrates power management with network devices to monitor and control power usage. The company estimates 30% reduction in power consumption could drive adoption. Dubbed EnergyWise, the program was announced Tuesday along with partners from Schneider Electric, makers of power distribution and automation equipment; Verdiem, which manages PC and laptop power; and SolarWinds, known for network management. The collaboration lays the groundwork for robust, automated power management, Cisco said. EnergyWise software will be available on Catalyst switches via a software upgrade to all customers with a support contract.
NIFTE Pump Technology uses Solar Energy
There is now an alternative pumping technology being developed that is simple and costs little to manufacture, yet it is highly effective and can operate using low-grade heat energy - such as waste heat or solar energy. This type of heat pump has been termed the Non-Inertive Feedback Thermofluidic Engine (NIFTE) . Given their mechanical simplicity, low energy consumption and potentially low purchase cost, NIFTE pumps could be applicable for a wide variety of tasks. These range from irrigation and pond pumps to central heating circulating pumps and power showers.
Ethanol-Powered Fuel Cells
A team of scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, in collaboration with researchers from the University of Delaware and Yeshiva University, has developed a new catalyst that could make ethanol-powered fuel cells feasible . Made of platinum and rhodium atoms on carbon-supported tin dioxide nanoparticles, the research team's electrocatalyst is capable of breaking carbon bonds at room temperature and efficiently oxidizing ethanol into carbon dioxide as the main reaction product.
9000 Homes Powered by Scotch Whisky!
An award-winning scheme which will reduce the carbon footprint of the whisky industry on Speyside has moved a step closer after being granted planning permission by Moray Council. The CHP unit will use a combination of distillery co-products and wood chip from sustainable sources to generate 7.2 megawatts of electricity, enough for 9,000 homes, which can be used onsite or exported to the National Grid.
Vertical-axis Wind Turbine
Project Nova (Novel Offshore Vertical-Axis), to which Qinetiq is a key technology supplier, was given the go ahead on 13 January 2009 by Lord Hunt, the UK Minister for Sustainable Development and Energy Innovation, as part of a potential £1.1billion fund. Project Nova's innovative aerogenerator wind turbine is based on a pair of giant V-shaped composite wings that will be scaled up to 120m high and rotate around the central axis to create power. Invented by David Sharpe and developed by Wind Power Limited, the aim is for a large-scale demonstrator to be installed offshore within six years and for offshore vertical-axis turbines to provide 1GW of power by 2020.
Let's Get to Work!
Today, Barack was inaugurated President of the United States of America. Many of his dreams fall on the renewable energy industry to fulfill. In his words "For everywhere we look, there is work to be done. The state of the economy calls for action, bold and swift, and we will act - not only to create new jobs, but to lay a new foundation for growth. We will build the roads and bridges, the electric grids and digital lines that feed our commerce and bind us together. We will restore science to its rightful place, and wield technology's wonders to raise health care's quality and lower its cost. We will harness the sun and the winds and the soil to fuel our cars and run our factories. And we will transform our schools and colleges and universities to meet the demands of a new age. All this we can do. And all this we will do."
Tidal Turbine Contract
The first full-scale Neptune tidal stream device is the design of Edinburgh's Aquamarine Power Ltd. The 2.4MW Neptune demonstration design is on schedule for delivery in 2010 at the UK tidal test centre, known as the European Marine Energy Centre (EMEC), located in Orkney, as a precursor to commercial deployment. The device comprises two horizontal axis tidal turbines, which will be mounted on a single monopile for the commercial demonstrator. The device features bi-directional (flood and ebb) generation, with its design heavily influenced by wind turbine technology and as such gives predicted efficiencies of up to 45 per cent.
Utilities Invest in Smart Grid
In spite of the weakened economic conditions in countries around the world, electric power utilities are proceeding with investments in both their infrastructure and "smart grid" automation programs according to a study released by the Newton-Evans Research Co. Newton-Evans found that a majority of the 110+ officials from 38 countries participating in the just-completed study indicated that capital spending for control systems, substation automation, smart grid related programs, distribution management, advanced metering rollouts, and infrastructure equipment for transmission and distribution grids will remain as originally projected a year ago.
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