• Case study

    Wind Turbine Powers San Francisco Zoo

    June 11, 2012 San Francisco

    Hundreds of animals live at the San Francisco Zoo, but now the Zoo is home to a different type of attraction…a sustainability exhibit, featuring a vertical-axis wind turbine. Together with a small solar panel, the wind turbine powers LED lights in the historic Earthquake Shack which has been restored and converted into an interpretive center.

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  • Case study

  • Case study

    LED Street Lighting

    June 4, 2012 Los Angeles

    It has been two years since the city of Los Angeles launched a major public works project to retrofit the city’s street lighting with energy-efficient LED (lightemitting diode) fixtures, making this a good opportunity to assess progress. The project is still the largest LED street lighting retrofit ever undertaken globally; its implementation is ahead of schedule and the energy cost savings are surpassing original projections, largely due to continued improvements in the energy efficiency of LED technology.

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  • Case study

  • Case study