100% of the world’s power could be supplied by renewables by 2050

California-Renewable-Energy

Even though wind power uses up to 14 times more iron, the world wins on a switch to low-carbon energy.

A global low-carbon energy economy could actually double electricity supply by 2050, while also reducing air and water pollution, according to new research. The first ever global life-cycle assessment of clean energy sources shows that a renewable system could supply the world’s entire electricity needs by mid-century, writes Tim Radford.

 

 

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Solar and wind prices plunge below fossil fuel prices

solar and wind

Renewable energy shows an average price decline over the last 5 years of 78% for utility scale solar and 58% for wind.

Lazard, an asset management firm, has a fascinating new analysis of renewable and other energy prices out. There are a huge number of insights in this, from an outside analyst whose primary interest is financial.

 

 

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We are headed into an era of unlimited and free clean energy

clean energy

Inexpensive renewable sources will provide more energy than the world needs in less than 20 years.

Leading consultants were skeptical about cellular phones in the 1980’s. McKinsey & Co. noted that the handsets were heavy, batteries didn’t last long, coverage was patchy, and the cost per minute was exorbitant. It predicted that in 20 years the total market size would be about 900,000 units and advised AT&T to pull out.

 

 

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Wildpoldsried, Germany produces 500% of its energy from renewable sources

wildpoldsreid

Wildpoldsried produces 500% more energy than it needs.

Wildpoldsried, Germany, a Bavarian village of about 2,600 residents, is leading the way in Germany’s extraordinary renewable energy transformation. The village has invested in a holistic range of renewable energy projects over the past 17 years that include 4,983 kWp of photovoltaics, five biogas facilities, 11 wind turbines and a hydropower system. As a result, the village has gone beyond energy independence – and it now produces 500% more energy than it needs and profits from sales of the surplus power back to the grid.

$100B invested in wind or solar will produce more energy than oil

Solar-panel-array-and-wind-turbines-

By the late 2020s or early 2030s renewables could be competing much more aggressively with the oil market.

Kepler Chevreux, a French investment bank, has produced a fascinating analysis that has dramatic implications for the global oil industry. The investment bank estimates that $100 billion invested in either wind energy or solar energy – and deployed as energy for light and commercial vehicles – will produce significantly more energy than that same $100 billion invested in oil.

 

 

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The next big challenge for energy storage

solar energy

Solar is now the fastest growing segment in the energy business in the U.S.

The energy storage era is upon us. States like California and New York have adapted energy policies that will make it possible to economically deploy storage systems, while technology advancements have boosted performance and trimmed costs. For the first time in history it will become feasible to store electric energy.

New offshore wind energy and transnational grid projects will boost use of submarine power cables

submarine cable market

The worldwide market for submarine electrical cables has surged over the past decade.

Eighty wind turbines are now under construction in the German North Sea.  They will eventually generate enough power for some 400,000 homes. That power will travel via advanced cables buried along several miles of ocean floor, part of a growing move toward undersea transmission of electricity.

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Archimedes Liam F1 Urban Wind Turbine is the world’s most efficient urban wind turbine

liamf1urbanwindturbine

Liam F1 Urban Wind Turbine

The Rotterdam-based tech firm The Archimedes has introduced its Liam F1 Urban Wind Turbine, which is said to have an energy yield that is “80 percent of the maximum that is theoretically feasible.” That’s quite the assertion, given that most conventional wind turbines average around 25 to 50 percent. (Video)

 

 

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Germany generates 74% of power needs from renewable energy

Offshore-Windkraftanlage

An offshore wind turbine near Rostock. Germany.

Germany’s impressive streak of renewable energy milestones continues, with renewable energy generation surging to a record portion — nearly 75 percent — of the country’s overall electricity demand by midday last Sunday. With wind and solar in particular filling such a huge portion of the country’s power demand, electricity prices actually dipped into the negative for much of the afternoon, according to Renewables International.

 

 

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They sound like science fiction, but these 5 energy technologies are getting close to reality

space-solar

Space-based solar

Some newer clean energy sources are becoming mainstream industries with low prices and established financing models like solar panels and wind turbines. But even in this era of emerging predictable clean energy, there are some pretty weird, experimental and ambitious energy projects under development. And they’re trying to move out of the lab and off of research papers, and into actual production.

 

 

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Altaeros Energies floating wind turbine churns out electricity and Wi-Fi

AlterosPrototype

Altaeros Energies floating wind turbine.

This floating turbine, developed by Altaeros Energies could someday travel to every remote corner of the globe. There, they could deliver electricity and Internet connectivity to people and villages living off-the-grid. (Video)

 

 

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