Vincent Henningsgaard

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A small town in Germany becomes a testing ground for a smart grid

In the 1990s, the small Bavarian town of Wildpoldsried decided to embrace renewables. Today, it produces several times the energy it consumes and has …

Ampy Is A Wearable Spare Battery That Charges As You Move

It was surely only a matter of time before someone thought to capitalize on the current trend for wearables with a battery designed to charge via kinetic energy. And so meet Ampy: a spare battery pack, currently bidding for crowdfunds on Kickstarter, that straps to your person and, its makers …

Baseload power is a myth: even intermittent renewables will work

The future of civilisation and much biodiversity hangs to a large degree on whether we can replace fossil fuels – coal, oil and gas – with clean, …

Stealthy Norwegian entrepreneur aims to revolutionize U.S. energy storage

(Reuters) - Jostein Eikeland, a Norwegian entrepreneur with a mixed record of success, is hoping to jolt the world of energy storage.<p>On Tuesday, Eikeland’s latest venture, Alevo, will unveil a battery that he says will last longer and ultimately cost far less than rival technologies.<p>The technology, …

An African Solar Plant Could Power UK Homes by 2018

Many European countries are facing a growing risk of power shortages over the next decade. The TuNur project plans to build a massive solar plant in …

How Gravity And 100-Year-Old Tech Can Help Solve The Energy Storage Problem

Here’s how it works: When solar panels or windmills are pumping out excess power, it can be sent to a set of weighted train cars on a small hill. The …

Clean Energy

No More Air Conditioners: This “Skin” For Buildings Keeps The Inside Cool With Zero Energy

The facade works with no power at all–not even solar panels–and keeps the temperature comfortable and light bright inside.<p>For most of human history, buildings were essentially net zero energy systems. Thick walls kept out cold and simple windows let in fresh air and daylight. Then came complex, …

New York Says It's Time To Flip The Switch On Its Power Grid

In the power business, it's all about managing the peaks.<p>During the hottest days of summer, electric utilities run at full capacity to keep giant cities comfortably cool. But most of the rest of the year, half that capacity goes unused — and that's highly inefficient.<p>The New York State Public …

When The Power's Out, Solar Panels May Not Keep The Lights On

The cost of solar panels is falling rapidly in the United States. And as the panels become more affordable, they're popping up on rooftops around the country.<p>Meanwhile, the U.S. is trying to find better ways to back up its power system against blackouts. And while it may seem counterintuitive, more …

Palo Alto power supply: How the home of Stanford became carbon-neutral.

Palo Alto, California, is perhaps the most fabulous, smug, high-level-of-being municipality in America. For the combination of the populace’s level …

Wind turbines kill fewer birds than do cats, cell towers

Wind turbines kill far fewer birds in North America than do cats or collisions with cell towers, says a study out Monday.<p>As wind power expands in the United States, critics often blame giant turbine blades for bird deaths. What's billed as the most comprehensive analysis ever of these fatalities …

Can the world’s most promising electric-car battery be saved?

HALIFAX, Canada—Over the last half-dozen years, a swarm of companies from around the world including General Motors has snapped up licenses for a lithium-ion electrode that promised to deliver the next big step in making electric cars competitive with conventional vehicles. The companies and …