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Is large-scale energy storage dead?

Is large-scale energy storage dead? Many countries have committed to filling large percentages of their future electricity demand with intermittent renewable energy, and to do so they will need long-term energy storage in the terawatt-hours range. But the modules they are now installing store only megawatt-hours of energy. Why are they doing this? This post […]

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Who Killed the Electric Car?

Who Killed the Electric Car? [ Who cares about electric CARS?  Civilization ends when trucks stop running, and trucks can’t run on batteries because they’re too heavy (93% of the cargo weight, 25% of the cargo space), and an all-electric truck fleet would require thousands of new power plants, mostly running on finite fossil fuels. Although Wall […]

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For Storing Electricity, Utilities Are Turning to Pumped Hydro

For Storing Electricity, Utilities Are Turning to Pumped Hydro High-tech batteries may be garnering the headlines. But utilities from Spain to China are increasingly relying on pumped storage hydroelectricity – first used in the 1890s – to overcome the intermittent nature of wind and solar power.  In the past decade, wind energy production has soared in […]

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Rethink the Grid: Personal Power Stations

Rethink the Grid: Personal Power Stations Rethinking the grid is quickly emerging as one of the hottest topics. The concept of our own personal power stations can be seductive…and just might save us a whole lot of money too. “Get big or get out!” Those were the famous, and controversial, words of Earl Butz, Secretary […]

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2014 biggest year ever for solar, but oil price threat looms

2014 biggest year ever for solar, but oil price threat looms  In 2014, record low prices for solar panels fueled a solar boom. The U.S. alone installed 30% more solar photovoltaic capacity than in 2013, making last year the biggest ever for solar PV, according to the 2014 Year-in-Review Solar Market Insight report from GTM Research and the […]

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Resource Insights: Five energy surprises for 2015: The possible and the improbable

Resource Insights: Five energy surprises for 2015: The possible and the improbable. The coming year is likely to be as full of surprises in the field of energy as 2014 was. We just don’t know which surprises! I am not predicting that any of the following will happen, and they will be surprises to most […]

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Innovations in Energy Storage Provide Boost for Renewables by Dave Levitan: Yale Environment 360

Innovations in Energy Storage Provide Boost for Renewables by Dave Levitan: Yale Environment 360. Because utilities can’t control when the sun shines or the wind blows, it has been difficult to fully incorporate solar and wind power into the electricity grid. But new technologies designed to store the energy produced by these clean power sources […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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