Life-Cycle Analysis and Wind Power

Monday, August 13th, 2012

I heard a really good talk about lifecycle analysis (LCA) yesterday that took wind energy as an example, and examined the overall ecological footprint associated with an individual large turbine. On average, about 7.8 megawatt-hours of energy goes into extracting the materials, forging the pieces, transporting, assembling (more…)

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U.S. Wind Energy Capacity Equal to 11 Nuclear Plants, Group Says

Monday, August 13th, 2012

Electricity produced by wind energy in the U.S. now equals the output of 11 nuclear power plants, according to a new report from the American Wind Energy Association, a trade organization.

As congressional leaders consider the extension of a tax credit for the emerging wind energy sector, the (more…)

Save the Internet, Part 3: India Offline

Friday, August 10th, 2012

In my last post, I talked about the harm caused by generating electricity to feed the internet (and all our other electrical needs). Today I’m going to look at what happens when we use so much energy that our utilities no longer have the capacity to meet the demand. Think darkness. And empty wallets. (more…)

Southern California Faces Some Energy Choices

Thursday, August 9th, 2012

With the shutdown of the San Onofre Nuclear Generating Station and Once-Through-Cooling plants, Southern California Edison has serious local capacity constraints. So much so that that SCE is warning their customers that blackouts will result if they don’t conserve energy. The question is: what’s the long term solution? Will it be increased renewable distributed generation and (more…)

Energy Efficiency and the Rebound Effect – Neither Big Nor Bad

Thursday, August 9th, 2012

Now that you’ve installed efficient light bulbs in your house, do you think: “Guess I’ll leave my lights on all night. What the heck – it won’t cost me any extra.”

Probably not. But some extreme critics of energy efficiency would have us believe this is the end result of appliance standards and energy savings (more…)

The Nuclear Threat Still Haunts Japan

Thursday, August 9th, 2012

Recently we blogged about a project by the Kyoto Journal called Fresh Currents, a magazine designed to offer thinking fodder for post-nuclear disaster Japan. The idea of the magazine is to dispel myths about nuclear power and to take a fresh look at alternative energy as a possibility for Japan. (more…)

Natural Gas: A Valid Alternative Energy Choice?

Wednesday, August 8th, 2012

The rising costs of living definitely has an impact on our everyday lives. You have to budget everything, from the food you eat to the utility bills that you have to pay for every month. It’s no longer strange that most people today are looking for alternate energy sources in order to save a few dollars from their electric bills. Compared with most types of alternative energy (more…)

New Energy Symposium’s Big Winners Are Small and Ultra-thin

Wednesday, August 8th, 2012

In a previous post, I wrote about the New Energy Symposium held last month in New York City. The first day of the event featured a startup quick pitch competition, and the three winners of the competition were recently announced.

They are, in alphabetical order, Dynamo Micropower, (more…)

Dozens of Small Earthquakes Detected Near Texas Drilling Sites

Wednesday, August 8th, 2012

A new study by researchers at the University of Texas has found that dozens of small earthquakes occurred in a shale region of north Texas within a two-year period, with many occurring close to injection wells associated with oil and gas drilling projects.

In an analysis of seismic data, study author Cliff (more…)

California Meets 20 Percent of Electricity Demand With Clean Energy

Tuesday, August 7th, 2012

California power utilities are now achieving more than 20 percent of the state’s electricity needs with renewable energy sources, state regulators say. In its latest quarterly report, the California Public Utilities Commission (CPUC) said that the state met 20.6 percent of its electricity demand with renewable sources — including wind, solar, and geothermal — (more…)

 
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