jqkeller

4 ms·

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by jqkeller 8y ago
My understanding of their data innovation is on the marketing side. What I heard is they're narrowing their marketing to only homes on heating oil or propane, essentially not going after houses on the natural gas infrastructure. The
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by jqkeller 8y ago
Ground Source (geothermal) heat pumps are not new, but Dandelion is doing interesting/innovative things. Here is my understanding from keeping track of what they're up to for a little while. First they've developed a new dri
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by jqkeller 10y ago
Are you helping utilities that don't have an API to setup one?
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by jqkeller 10y ago
I've worked on a few street light retrofit projects and the AMA warning is a little overblown and frankly immediately outdated. This is off the cuff, but it comes down to circadian rhythms being influenced by the color of light. Befor
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by jqkeller 10y ago
I was just commenting today how approachable this book makes understanding the requirements to transition to renewable energy. I would warn though that the little bit of economics and the discussions about battery storage and solar PV at t
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by jqkeller 11y ago
Under the current regulatory schemes and market rules the low capacity factor of solar is absolutely a problem. I guess I'm saying that more flexibility for smaller systems to play in the markets will be important to increase renewabl
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by jqkeller 11y ago
Maybe at the 100MW scale it already operates like this, but not at smaller scale. Recently I had a discussion with a county level public utility district where we were exploring building a 1-10 MW Solar system on a closed landfill. The ca
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by jqkeller 11y ago
One of the basic arguments of this piece is that skyscrapers have a lower environmental impact than low and mid rise buildings, but that's not necessarily true. The city of Seattle released an updated report for 2013 data on their mand