April 2012: B.U.G. (Beautiful.Useful.Green) Design

BISEM Inc.’s BiPV Curtain Wall

BISEM Inc., our neighboring exhibitor at Eco City, is an example of a cleantech company whose growth parallels that of the industry itself. For Eco City show-and-tell, they brought along a high-rise-sized photovoltaic ‘curtain wall’ – a structurally sound glass window that generates electricity from the sun.

CEO Nick Bagatelos explains his solar-powered electricity-generating modular windows in terms of peaches.  He says, “If you have a peach tree in your backyard, when the peaches are ripe, you go out and grab a few peaches. After a week or so of this, the low hanging fruit is gone. So, you go to the garage and grab a ladder to get the fruit at the top of the tree, right? The rooftop PV (photovoltaic solar panels) are the low hanging fruit, my BIPV (building-integrated photovoltaics) Curtain Wall is the stuff on the top of the tree.”

Why is it beautiful?  The BiPV curtain wall is an elegant package – a glass wall that takes solar power from the roof and into the windows. As CEO Nick Bagatelas says, “Most glass walls let light in and keep water out. This wall also generates power.”

Why is it useful? The American-made BiPV Curtain Wall is a Net Zero Energy solution. A building must generate power on site in order to achieve Net Zero, but large multi-story buildings have limited rooftop area to add PV panels.  BISEM’s BIPV Curtain Wall provides an alternative location to harvest electricity at a cost effective price.


Why is it green?
The Curtain Wall, a structurally engineered glass wall that captures sunlight and turns it into electricity, can generate 20% of the energy required for a building to achieve Net Zero Energy.  It can also add as many as 7 LEED point to a building project, and it reduces carbon footprint.

Check out BISEM’s blog to keep up with this innovative cleantech company. See the real thing – a building clad in the curtain walls – at their headquarters in Sacramento. And in the future, find a curtain wall installation, scheduled for a 2013 install, in the San Francisco Airport, among other places.

Check out Sally’s blog for more B.U.G. Designs.

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