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Questions tagged [power-generation]

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0answers
138 views

Are there major negative health effects from living next to a coal power plant? [closed]

EnergyJustice writes: Health Impacts & Coal Plants: There’s no shortage of data to show that individuals living near a coal plant are at higher risk for health problems than those who do not ...
8
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2answers
783 views

In the U.S., is more water used for electric generation, and more electricity used for water infrastucture, than anything else?

Today I received an e-mail message regarding an upcoming Energy Water Nexus Technical Conference that made this unsupported claim: Nationally, the largest category for water consumption is electric ...
23
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3answers
5k views

Can Genesys' solar amplifier generate 40kW of power from a 200W solar panel?

Genesys currently has a press release on their home page discussing a new US patent: Genesys, LLC has demonstrated a working prototype generating up to 40 Kilowatts from one standard solar panel ...
49
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3answers
12k views

Can the US be powered by a 100 miles x 100 miles solar grid? [duplicate]

In this article Elon Musk is quoted to say that the US can be powered by a solar grid shaped as a square (in video he says "a corner of Utah or Nevada") 100 miles x 100 miles big. “If you wanted ...
135
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2answers
27k views

Do solar panels create 300 times more toxic waste per unit of energy than nuclear-power plants?

From Slashdot: A new study by Environmental Progress warns that toxic waste from used solar panels now poses a global environmental threat. The Berkeley-based group found that solar panels create ...
15
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1answer
2k views

Are wind farms profitable without subsidies?

In this 2015 Financial Times article, Warren Buffett talks about a onshore wind farms and their profitability. “For example, on wind energy, we get a tax credit if we build a lot of wind farms. ...
53
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2answers
9k views

During Great Britain's coal-free day, were coal plants shut off, or active and generating power GB didn't use?

On Friday 21st April, the UK National Grid announced the following on twitter: National Grid can confirm that for the past 24 hours, it has supplied GB's electricity demand without the need for #...
1
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1answer
944 views

Has Brilliant Light Power developed a new source of energy from water molecules?

Brilliant Light Power is a company that claims, on their web-site, to have: developed a new commercially competitive, non-polluting, plasma-based primary source of massive power from the conversion ...
146
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3answers
27k views

Do wind turbines consume more energy than they produce in a lifetime?

A rumor in my region states that a wind turbine consumes far more energy while being built and setup than it can produce in a lifetime. The debate is about modern, freshly built turbines in ...
7
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0answers
369 views

Does the higher accuracy of smart meters lead to higher electricity bills?

Some people are reporting on social media that their electricity bills are doubling after the installation of smart meters: This blog explains the problem: Simply speaking, when any domestic ...
6
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1answer
688 views

Can one generate enough electricity from a plant to power a cellphone?

This company is marketing a product which uses the photosynthesis of a single houseplant to charge a phone. http://www.bioo.tech/ IIRC the theoretical maximum efficiency of photosynthesis is about ...
4
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1answer
809 views

Can Hemp free us from oil dependency?

Within this article it makes the claim that hemp oil is a viable alternative to crude oil. It doesn't go into any detail. It only states that hemp oil is a "clean fuel" while listing in the title "...
2
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0answers
176 views

Does turning off a light truly help the environment? [closed]

I have heard that a power plant will produce the same amount of power no matter what amount of electricity is being used. If this is the case, turning off a light bulb would not help reduce the ...
1
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0answers
200 views

Can a human generate a significant amount of electrical energy? [closed]

I found this video which claims to generate enough electrical energy to last 24 hours with one hour of cycling. However, one of the images shown was a meter which claimed 10 A, 10 V DC . Even assuming ...
6
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0answers
245 views

Are Chinese companies dumping defective solar panels in other countries?

I've come across some people claiming that Chinese solar energy companies are dumping defective panels in other countries. The gist of the claim is that these low-cost panels will drive local ...
4
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0answers
350 views

Is there a viable design for a thorium car that can run for 100 years without being refueled?

This article and included video from Young Turks claims that Laser Power Systems has produced a "concept for a car" which can run for 100 years on 8 grams of thorium without needing t be refueled. ...
3
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1answer
572 views

Will the Solar Wind Energy's Downdraft Tower plan produce more energy than it uses?

Gizmag (largely directly reproducing the claims of Solar Wind Energy Inc) explains that the proposed new $US1.5m+ power station project works by: using a series of pumps to carry water to the top ...
7
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0answers
492 views

Is the idea of solar roadways practical? [closed]

https://www.indiegogo.com/projects/solar-roadways#home This indiegogo campaign suggests replacing roads and highways with solar panels that could produce power, while keeping themselves free of snow ...
9
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1answer
455 views

Did Mt. Etna cause Sicilian clocks to run fast?

From The Atlantic Wire: The Case of the Volcano That Set Time 15 Minutes Fast: It came to light that for thousands of people, digital clocks and watchers, from computers to alarm clocks, were all ...
8
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2answers
2k views

How long does it take for renewable technology to recoup its energy cost?

There are a number of technologies which are aimed at producing energy from non-fossil sources, among which very popular are wind power and solar power technologies. However, I have encountered a ...
14
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2answers
619 views

Has nuclear power generation saved millions of lives from avoided air pollution?

In a recent paper in Environmental Science and Technology, Kharecha and Hansen argue that, by avoiding the airborne pollution that would have resulted from fossil fuel burning, millions of lives have ...
20
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2answers
2k views

Is “peak wind” coming?

The concept of "peak oil" has been bandied about for some time (see this question: Is peak oil still set for 2013?) by people who believe the world hydrocarbon stocks will soon be so depleted that ...
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2answers
2k views

Do wind turbines kill many birds each year?

It has been claimed that due to their large size, and the velocity of their blades that wind turbines kill large numbers of birds that run into them at night, or in fog, and die. http://www....
15
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0answers
742 views

Solar energy in place of conventional energy sources [closed]

The first time I came across these arguments against solar energy was in "Overload" by Arthur Hailey. Admittedly, this is fiction, but the arguments seems to have some merit. Using solar cells to ...
16
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1answer
2k views

Can thorium end the energy crisis?

It seems that, as of lately thorium is steadily increasing in popularity, as an alternative to traditional nuclear fuels. Here's Mr. Kirk Sorensen in a TED video advocating the use of thorium. Thorium ...
25
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1answer
4k views

Is it possible to obtain current indirectly from power lines?

Can one obtain a sufficient amount of energy for a household's needs by indirect means (induction or otherwise) from nearby high-voltage power lines? Are there any documented cases of such attempts (...
17
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2answers
1k views

Is the net output of CO₂ from Nuclear Energy lower than the net output of other energy sources?

While CO₂ is not produced directly when producing electricity from nuclear power, it is obvious that obtaining the radioactive material and preparing it for its use in a plant inevitably produces some ...
23
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3answers
2k views

Does electromagnetic radiation from high energy power installations have negative effects on health?

Note that I'm not asking about high energy RADAR and telecommunications installations or similar systems which can cook small animals alive. I've heard lots of stories about negative health effects ...