Bill’s Notes
Bill’s notes
Essays, analysis, and arguments on the shift to clean, local energy.
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The earth gets more solar energy in one hour than the entire world uses in a year
Earth’s continents receive 23,000 terawatt hours of solar energy each year, compared to the 18.5 terawatt hours used…
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There are more US jobs in solar than all fossil fuels put together
With all the attention on coal employment, you might think that coal has the biggest share of energy…
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What can you do with a megawatt-hour?
A megawatt hour, like it’s little sibling, the kilowatt hour, is a measure of electricity. But just how…
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If you’re interested in clean energy, you should check out these three books…
If you want to understand the transition to clean energy, there are three books you need to read.…
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How is coal formed?
Coal began as dead plants that fell to the bottom of vast swamps millions of years ago. Which…
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Ever wonder why we use so much coal? America was built on it.
From old steamboats to the mines of Appalachia, to World War II, to the oil crisis of 1973,…
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How much coal does it take to power a 100 watt lightbulb for a year?
If you want to get a visceral sense of how much coal it takes to power our world,…
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Five trends that will lead to the end of fossil fuels
There are five trends driving the replacement of fossil fuels with clean energy from the sun and wind,…
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The top TED talks on clean energy
Over my 20 years attending TED, there have been a handful of mind-blowing talks on clean, renewable energy.…
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Creating the definitive list of cleantech investment firms
The Freeing Energy team is putting together the definitive list of venture capital and private equity firms investing…
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Four steps to take your house off-grid
Taking your house or business entirely off-grid and powering it with clean energy isn’t easy today but these…
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Why does the cost of renewable energy continue to get cheaper?
The price of solar cells has dropped 300-fold over the last four decades. What is driving this incredible…