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Alternative Energy / Renewable Energy

The High Cost Of Renewables

Sep 11, 2014 at 15:00 | Euan Mearns

In this post I present “back of envelope” style calculations on the capital costs of renewables globally since 1998 and deduce that roughly $1.3 trillion has been spent installing wind…

IEA Says Investment In Clean Energy Will Keep Growing, Slowly

Aug 29, 2014 at 18:33 | Andy Tully

The International Energy Agency (IEA) says overall investment in renewable energy will continue to grow through 2020, but at a slower rate than it has in recent years.The…

U.S. Warms To Clean Energy

Aug 22, 2014 at 17:30 | Nick Cunningham

A review of monthly figures for new installations of electric power capacity in July shows that renewable energy is quickly becoming the energy source of choice in the U.S.

Why Air Bags May Be the Answer to Clean Energy’s Viability

Aug 19, 2014 at 17:23 | Martin Tillier

Stop a dozen people on the street and ask them what the biggest challenge facing alternative energy is, and most would probably answer along the same lines. There would be…

Unlikely Bedfellows: Mines That Run On Solar Or Wind Power

Aug 18, 2014 at 17:29 | Andrew Topf

Mining companies are often seen as dinosaurs when it comes to making changes that will benefit the environment, but that perception may be shifting as some companies turn to renewable…

Germans Happily Pay More For Renewable Energy, But Would Others?

Aug 15, 2014 at 17:47 | Chris Dalby

While Germany is breaking world records for the amount of sustainable energy it uses every year, German energy customers are breaking European records for the amount they pay in monthly…

Top 10 Things To Know About Tesla At The End Of Q2

Aug 05, 2014 at 16:40 | Energy Digital

Tesla’s Q2 earnings report was released on July 31 while they exceeded expectations, it had people talking. Tesla, the manufacturer of the world’s most-coveted electric vehicles (the Model S), has…

Has Battery Technology Just Taken A Huge Leap Forward?

Aug 04, 2014 at 15:47 | Climate Progress

A California firm called Imergy believes it’s hit on a new chemistry that can drastically reduce the costs of certain advanced battery systems.In this case, it’s what’s called…

Does Vanadium Hold the Key to Energy Storage Conundrum?

Jul 11, 2014 at 16:24 | Andrew Topf

Renewable energy – solar and wind – works like a charm when the wind is blowing strongly enough to whip windmill blades into a frenzy, or the sun is baking…

Oil Giants Gassed Out On Renewable Energy

Jul 11, 2014 at 16:18 | Chris Dalby

Could the future of renewable energy be reliant on the efforts of big oil companies? They would certainly like you to think so. In the first decade of…

Investing in Jordan: The Run on Renewables

Jul 04, 2014 at 12:34 | Editorial Dept

Energy starved Jordan, which has to import some 96% of its energy needs, is very serious about renewable energy—and so are international investors who are flocking to the country at…

Ocean Power Rides the Green Wave

Jun 16, 2014 at 16:40 | Llewellyn King

Summer is coming in the Northern Hemisphere and tens of millions of us have plans to flock to the beaches. As we frolic along the shore we will also be…

Buffett Says He Will Double Investment In Renewables

Jun 13, 2014 at 14:45 | Andy Tully

U.S. financier Warren Buffett, already one of his country’s largest investors in clean technologies, says he’s prepared to double his stake in renewable energy.Speaking June 9 in Las…

EPA Inflicts Mortal Wound on King Coal

Jun 06, 2014 at 16:46 | Editorial Dept

The big news of the week was the U.S. Environmental Protection Agency’s proposed rule to limit greenhouse gases from existing power plants, a move that is intended to reduce carbon…

Buildings Can Save More Than 50% of Electrical Energy Use

Jun 04, 2014 at 16:14 | Brian Westenhaus

A Pacific Northwest National Laboratory team found commercial buildings could cut their heating and cooling electricity use by an average of 57% with advanced energy-efficiency controls. The team built…

Plans to Put PV to Pasture?

Jun 03, 2014 at 16:18 | Tom Murphy

A colleague pointed me toward an article in the LA Times last week, which lays out a plan to remove financial incentives legally bestowed on solar photovoltaics (PV) to…

Sun, Wind Combine To Give Germany A Bit Of Free Electricity

May 23, 2014 at 15:47 | Andy Tully

It was, perhaps, a mirror image of the perfect storm: An abundance of sunshine and wind in Germany on May 11 stimulated solar and wind energy generators to the point…

Germany Hits Historic High, Gets 74 Percent Of Energy From Renewables

May 14, 2014 at 16:59 | Climate Progress

On Sunday, Germany’s impressive streak of renewable energy milestones continued, with renewable energy generation surging to a record portion — nearly 75 percent — of the country’s overall electricity demand…

Photonics Breakthrough Taking Solar Power to a whole New Level

Apr 09, 2014 at 16:48 | Brian Westenhaus

Researchers at the University at Buffalo are developing a technology of slowing and absorbing certain wavelengths of light offering new possibilities in solar power, thermal energy recycling and stealth…

Amazon, Twitter Fail Greenpeace Report Card

Apr 03, 2014 at 16:25 | Charles Kennedy

Amazon and Twitter have received “Fs” on their renewable energy report cards issued by Greenpeace, for inadequate commitment to renewable energy as a large percentage of Internet traffic remains…

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