Wind Energy Systems Technology (WEST) will use old oil platforms to support new wind turbines. Herman Schellstede, CEO of WEST, holds sixty-seven U.S. patents and ten international patents, and is a naval architect and marine engineer. His partner, Harold Schoeffler, is a longtime Louisiana environmentalist, having co-founded Save Our Coast. The company is presently engaging in wind monitoring activities, shown in the picture at left. Still, I haven’t seen any announcement of any turbines actually being built on these recycled oil platforms. Wired has a nice story with great visuals dating from Feb. 2007. If anyone has more recent news, please comment below. Remaking old oil platforms into clean energy sources is a beguiling idea, but it would be even more charming to actually see wind turbines producing wind off the coast of Texas.

The powerful winter storms that moved across Europe in March precipitated a considerable spike in electricity supply on the European grid, thanks to continental wind farms.

Wind speeds of 100 mph were recorded across Europe and topped 135 mph at the Czech Republic’s highest mountain, Snezka. The surplus electricity on the grid, produced mostly by German and Danish wind farms pushed prices down by 12% on the spot market.

Traders buying and selling round-the-clock power reported that the ‘day ahead’ price in central Europe’s power market dropped to €49.5 ($76) per megawatt hour compared with €56 at the end of the previous week, according to a piece at Planet Ark. Unfortunately, the article also suggests that sudden drops in electricity prices on the spot market have little effect on end-use rates. (more…)

Tidal power isn’t really talked about a lot here in the U.S., but it’s always exciting when a fresh renewable energy technology enters the equation. To wit: Britain just launched a first-of-its-kind contraption that will generate tide power for the Isles.

This past weekend, a 122-foot, 1.2 megawatt upside-down-windmill-looking-thing headed out to sea from the same dock that built the Titanic. The device, called SeaGen, will make enough energy from tidal power to feed about 1,140 homes and is the world’s first commercial-scale system for making electricity from marine currents, according to the Independent. (more…)

They have been around for centuries, but they are quickly becoming the darlings of the eco-friendlies and clean energy nuts. Windmills, or in this case, wind energy generators, come in all shapes and sizes. But, how feasible and cost-effective would it be for you to integrate a small wind system at your home, cabin, or camp? It might actually be easier than you might think. And if the small-wind tax credit somehow holds onto its tenuous place in the farm bill, it might just be cost-effective for you to invest one that can help defray, or even eliminate your monthly electricity bill. (more…)

French researchers are trying to develop a way to get electricity from rain, claiming the mechanical energy of raindrops could be enough to power low-energy devices.

It’s not exactly as sexy as harnessing that big ball of fire in the sky or a towering wind turbine. But a clean, 21st century energy system means trying to get energy out of pretty much anything. According to Discovery News, here’s how the rain power could work:

The method relies on a plastic called PVDF (for polyvinylidene difluoride), which is used in a range of products from pipes, films, and wire insulators to high-end paints for metal. PVDF has the unusual property of piezoelectricity, which means it can produce a charge when it’s mechanically deformed.

[Researchers] embedded electrodes into a thin membrane of PVDF, just 25 micrometers thick (it takes 1,000 micrometers to make one millimeter). Then they bombarded the sheet with drops of water varying in diameter from 1 to 5 mm.

As the drops hit the material, they create vibrations, which creates a charge. The electrodes recover the charge for use as power.

The biggest raindrops make the biggest vibrations, and the research team can make at least 1 microwatt of continuous power with the largest drops so far. It’s too early to say now whether we’ll be able to get stable electricity from rainshowers, it’s great that there are researchers like these who think outside the box. (Cloud power, anyone?)

Discovery News
Photo credit: Malene Thyssen

We renewable energy advocates love our silicon solar cells, but they come at a price: the process of making silicon generates massive amounts of heat and is a great, big electricity hog.

“Quartz rocks placed in electric-arc furnaces exude oxygen as superheated gas, leaving molten silicon. Just venting all that heat without setting something afire is a concern.” — Jon Van, Chicago Tribune

Now a company has found a way to make money capturing and using that heat, to make steam to run electrical generators. Illinois company Recycled Energy Development LLC, or RED, announced it has closed a deal with West Virginia Alloys, a silicon making subsidiary of Globe Metallurgical, Inc. The deal allows West Virginia Alloys to lock in a price for its electricity for 25 years; since that’s their largest cost of doing business, they’re happy. And since West Virginia’s electricity comes from burning coal, the state is pretty happy about having a way to help offset the millions of tons of greenhouse gases produced there. RED is getting big money from a deal made with Denham Capital Management, a private equity firm fueled by $1.5Billion from Bill Gates and Harvard University.

They say everything is bigger in Texas and that certainly applies to the giant windmills that have replaced oil derricks in the rural area of Sweetwater, in Nolan County. According to the New York Times, the towers stand 20 stories high and the turbine blades are as long as a football field, and farmers can earn $500 per month for each turbine they allow built on their land. Texas is now the largest producer of wind power in the United States, with $700 million in investment injected into wind projects in January alone, enough to power 100,000 homes.

But even bigger news to those who would like to see some attention paid to America’s rural economic health, is the impact that these wind farms are having on the rural economy. Property values have doubled, teens are staying in the area after graduation to work in the growing number of wind power jobs, and the downtown area is in a state of renewal.

“Since the wind boom began a few years ago, the total value of property here in Nolan County has doubled, and the county judge, Tim Fambrough, estimated it would increase an additional 25 percent this year. County property taxes are going down, home values are going up and the county has extra funds to remodel the courthouse and improve road maintenance…Wind companies are remodeling abandoned buildings, and new stores, hotels and restaurants have opened around this old railroad town.” –Clifford Kraus, New York Times

But this rural revival is in danger of an early death unless Congress extends the federal renewable energy tax credits that have helped fuel wind energy growth. The American Wind Energy Association (AWEA) estimates that over 116,000 U.S. jobs and nearly $19 billion in U.S. investment could be lost in just one year if the tax credits are not renewed by Congress. These jobs are in the areas hardest hit in today’s economy: construction and manufacturing. Concerned citizens should contact their elected representatives to encourage them to act to extend the federal renewable energy tax credits.

Wind turbines and solar photovoltaic have become the iconic symbols of clean energy and environmental consciousness. But what about the other less ’sexy’ forms of clean energy? Well, of course using less energy is the cleanest form to use, and it is usually the most cost-effective. But for people who want to increase the uptake of energy from clean sources, it may be more difficult. Unfortunately, not everyone has a strong enough wind or solar resource to make those investments cost-effective. Many folks living in urban settings would find it virtually impossible to implement either of those technologies. However, geothermal can provide or assist with heating and cooling needs for urban and rural alike. Geothermal exchange can be scaled for a single family home on up to entire city blocks, or more.

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Especially in the North American west, the geothermal resource is quite accessible. Now there are essentially two kinds of (residential) geothermal and I will not go too far into the details other than to say that one kind only needs to dig down 6-12 feet to tap the earth’s stored temperature. The other kind may take hundreds of feet of drilling but taps into a much hotter source. (There are also utility-scale geothermal facilities that are being developed in places where the source cannot be ignored, because hot waters bubble all the way up to the surface. Iceland, for example, gets 26% of its energy from geothermal and they get their remaining energy from hydro).