The San Francisco Federal Building…at 2 AM

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Yes, it’s true. While I was waiting for a TransBay bus near Civic Center at 2 am a couple weeks ago (not something I do often), I was thinking about energy efficiency.

I took the following (terrible) cell phone photo of the Federal Building from Market Street:

And I wondered, “Why are all those lights on?”

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There are a number of reasons that entire floors of lights might be on in a building in the middle of the night. Reasons could include:

  • Cleaning crews come in after workers leave and turn all the lights on a floor on
  • A few folks are working really, really late and can only control large areas of lights
  • Sensors or timers that turn off the lights are not functioning properly
  • Nobody knows how to turn off the lights

But the San Francisco Federal Building is touted as a high-performance low-energy building. And someone else has previously noticed lights on late at night. So what’s going on?

I’m going to see what I can find out in the next week or two and will write a follow-up post.

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More information on the San Francisco Federal Building is available from the architects (Morphosis),  Flex Your Power, the San Francisco Chronicle, and a case study by Rocky Mountain Institute.

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Assorted Links

San Francisco transportation are transforming former parking meter poles into bike racks in the Civic Center and Golden Gateway areas.

The largest solar plant in the world receives final regulatory approval.

Greentech Media discusses what to expect from new lighting laws.

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