Tag Archives: energy

Why Energy Storage is About to Get Big – and Cheap

tl;dr: Storage of electricity in large quantities is reaching an inflection point, poised to give a big boost to renewables, to disrupt business models across the electrical industry, and to tap into a market that will eventually top many of … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | Comments Off on Why Energy Storage is About to Get Big – and Cheap

How Much Land Would it Take to Power the US via Solar?

I’ve seen some pieces in the media lately questioning this, so allow me to point to some facts based on real-world data. tl;dr: We’ll probably never power the world entirely on solar, but if we did, it would take a … Continue reading

Posted in Uncategorized | Tagged , , , | Comments Off on How Much Land Would it Take to Power the US via Solar?

2014 Was a Good Year: Better Than You Remember

Eric Garner. Michael Brown. The Sony hack and surrender to fear. 2014 seems to be ending on a crappy note. My twitter feed is full of people expressing good riddance to the year. 2014 was better than that. I want … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , , | Comments Off on 2014 Was a Good Year: Better Than You Remember

The Learning Curve for Energy Storage

Energy storage prices are dropping fast. If you follow me, you’ve seen me write about this before. Energy storage prices have in fact been dropping exponentially for at least 25 years. Here’s a new piece of analysis –  a model … Continue reading

Posted in Uncategorized | Tagged , , , , , | Comments Off on The Learning Curve for Energy Storage

The Renewable Energy Revolution

Transforming the world’s energy supply will take decades. It is a very tall order. But it’s starting. The price of renewables – and energy storage – continues to plunge, putting them on a path to being cheaper than any other … Continue reading

Posted in Uncategorized | Tagged , , , , , , , | Comments Off on The Renewable Energy Revolution

Carbon Prices Drive Clean Energy Innovation

I want to point out something I see commonly missed.  Carbon prices accelerate innovation that brings down the price of green energy. So do renewable energy portfolio standards, green energy subsidies, and a whole swath of other climate policies. They do this … Continue reading

Posted in Uncategorized | Tagged , , , , | 1 Comment

Less Water, Less Oil

Here in the US, we consume less oil per person and less water per person than we have in decades. Oil consumption per person per year, from the IEA.  (The last bullet point is their projection for 2030): Water withdrawals … Continue reading

Posted in Uncategorized | Tagged , , , , , , | Comments Off on Less Water, Less Oil

Do We Eat Oil? Farms Are More Energy Efficient Than Ever

A common refrain one hears about modern farming in the US is that it's too energy intensive.  However, data from the USDA shows that US farms use only half as much energy per unit of farm output as they did … Continue reading

Posted in Uncategorized | Tagged , , , | Comments Off on Do We Eat Oil? Farms Are More Energy Efficient Than Ever

Solar Power Prices Dropping Faster Than Ever

In 2011, I wrote a piece for Scientific American on the exponential price decline in solar power. I haven't had a chance to fully update that piece, but two quick notes.   First, the price decline in solar cost per … Continue reading

Posted in Uncategorized | Tagged , , , , | Comments Off on Solar Power Prices Dropping Faster Than Ever

Income, Energy Use, and Life Expectancy

One of the best indicators of human well-being is life expectancy.  High life expectancy means low infant mortality. It also, almost invariably, correlates with high access to food, medicine, shelter, and education, and low levels of disease and violence.  So … Continue reading

Posted in Uncategorized | Tagged , , | Comments Off on Income, Energy Use, and Life Expectancy