Here’s a Building That Makes Money Selling Electricity | Home Design Find

Home Design Find

1 Comment »

Here’s a Building That Makes Money Selling Electricity

Sipea1 green
Sipéa builds and runs social housing in Poitiers, central France. The buildings are very green, so much s that their use of energy is actually net-negative. In this way the building actually earns a little income from selling its excess power from the solar roof. This little extra comes in handy when when you are running a non-profit.

Sipea2 green
This new building houses Sipea headquarters. It was designed so that…

the operating cost would be negative : the selling to the grid of the electricity produced by the solar roof incorporated into the south-facing side on the roof more than offsets the running costs of the buildings energy use for heating and cooling.

Sipea3 green
The  rooftop solar produces 9,000 kilowatt-hours a year of electricity, and manages to use far less than that itself.

Due to PassivHaus construction (basically; lots of insulation)  the heating and cooling requirements of the building are negligible, thanks to careful design and construction. The roof is a kind of see-through solar that is not yet available in the US. Then it is sandwhiched between layers of glass to be super energy efficient: not lose heat or gain it.

Sipea4 green
The roof does let natural lighting in though, affording a dappled protection against direct solar glare, while reducing the heat loss and producing electricity. The cells are spaced out between two sheets of glass, mounted in between the double-glazed sun-roof.

Sipea5 green
The yearly operation of the building requires very little active heating, thanks to PassivHaus  insulation (22 cm of cellulosic wool in the outer walls) and it needs no active cooling at all, just ventilation.

Sipea6 green
Even with this highly efficient design, the  construction costs were only $207 a square foot and the yearly operating costs are lower than their previous – much smaller headquarters.

Images: Flikr user paspog
Source: Sipea
More from Susan Kraemer Journalists on Twitter

You can receive our articles for free in your email inbox or subscribe to our RSS feed. Just enter your email below for the email subscription:

| Buy | Print

One comment so far to “Here’s a Building That Makes Money Selling Electricity”
  1. Home Design Los Angeles Says:

    France is home of architectural beauty and great classic designs. And now, I'm happy that it is now transcending to the green era of building designs that is happening now around the world. What's even better with Sipea though is that they are actually making money out of their excess electricity made from their renewable resources; here for instance is the sun. I'd like to commend their efforts to go green, even though costs may be a little higher. Cheers!!

Leave a Comment