Tag Archives | energy

Chart of the Day: Additions to US Power Plant Capacity

This chart comes from the Institute for Local Self-Reliance, a national policy thinktank based in Minneapolis.   Basically it shows how “residential solar” (i.e. panels on houses) has become a meaningful mix in the new additions to the US energy grid. It’s something to think about when thinking about homes, or energy, or cities, or […]

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How Much Energy Could Minneapolis Get from Solar?

Solar PV seems to be the current darling of the renewable energy world.  But how much “resource” is really out there?  How much should cities rely on the development of local solar resources to meet their climate and energy goals?  What trade-offs should urban cities make between desirable things like tree canopy and maximizing solar energy resources?  GIS tools […]

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Chart of the Day – Energy Density v. Area Required

This rather obscure chart illustrates how space intensive different power sources are in relation to each other. The grey energy sources are renewable, while the white boxes are fossil fuels. Basically, it illustrates how much less dense many of the renewable energy options are compared to coal and oil. Not that they don’t also take […]

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