Gallery: World’s Greenest Building Going Up In Paris – Energy Plus


The home of the Eiffel Tower is getting a new architectural innovation- and a green one at that. The Energy Plus office building, to be located outside of Paris, is designed to consume no electricity other than that which it creates itself. This zero-energy building, according to the designers, will be the greenest office building ever created.

The 70,000 square meter building is designed by architecture uberfirm Skidmore, Owings & Merrill, who have also designed the Guandong Green Skyscraper and a proposed green skyscraper in San Francisco. The low-rise building will be located in the Gennevilliers area of Paris, near the Seine river. It is designed to house around 5,000 occupants.

How does this building achieve its goal? For starters, the building will be heavily insulated – enough to reduce its energy use to about 16 kilowatts per square meter, which is considerably lower than that of a standard building. Cold water from the Seine river will be pumped throughout the offices eliminating the need for a standard air conditioner unit. And to actively contribute to the highest standard of energy efficiency, designers have engineered the building to have the largest solar array in the world installed in the roof. It is this solar array which will provide all the energy needs of the building, as well as providing additional energy to be fed back into the grid.

Despite its energy payments over the long term, initial construction of the Energy Plus Building will not come cheap. The building is expected to cost anywhere from 25% to 30% more than standard office blocks. Still, if one considers the future savings and lower maintenance costs, the building might come out being one of the best investments that this developer has ever done.

+ World’s greenest office block set for Paris

+ Skidmore, Owings & Merrill


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  1. Michel Mooij December 28, 2009 at 5:02 am

    Lets Face the Facts. What is the BREEAM score for this buidling?

  2. Chencho October 7, 2009 at 2:59 am

    Bla bla bla bla….
    Lets see the real figures after 1 year of use, end then we talk againg.

  3. Milieunet March 7, 2009 at 4:45 am

    For sure this sin’t the biggest PV array in the world and there are even more nice examples of positive energy buildings, like this Star:

    And what to think about the Masdar Headquarters:

    Also the world’s greenest building. There are so many the first. Doesn’t matter at all. What matters is that the world is changing to sustainable building, change to green buildings and change to energy-positive buildings.
    Then it is easy to plug in your car, like this Tesla Roadster (some call that even Sex on wheels).

  4. Wolf February 5, 2008 at 2:38 pm

    Too many superlatives, not enough facts.
    Why does everybody have to be the biggest, best greenest all the time ?
    And without any data to back up these claims I very much doubt this will be the biggest PV array in the world. There are systems rated at more than 10MW in existence.

  5. chetan parrikh January 24, 2008 at 12:04 am

    Architect of this concept gets 10 out of 10.

  6. CS January 23, 2008 at 5:31 pm

    16 kW per square meter should probably be 16 kW-HOURS per sqm, as in per year.

  7. Ben Schiendelman January 22, 2008 at 2:10 pm

    That’s great! But I really hope it’s by an RATP or SNCF station, or it won’t be very green to get there.

  8. M2JL January 21, 2008 at 11:19 am

    Very interesting shape. It looks like a huge version of an amazing oceanside home in Chiba (Japan) designed by Sou Fujimoto. I wonder about the insulation though… I see more windows than wall

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