Solar Decathlon in the Dark: Competition is Misconceived

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Not their day in the sun: Architects reflect on the Solar Decathlon’s disappointing finish in D.C.


October 21, 2009
By Timothy Liddell

Shock and disbelief were the only two feelings stronger than nausea when judges announced the results for architecture at the recent Solar Decathlon competition in Washington, D.C. After a two-year, Herculean effort, Cornell’s Solar Decathlon team (CUSD) had produced an innovative house of remarkable craftsmanship. Its peculiar form and materiality exerted an uncanny architectural magnetism, attracting the press and public and eliciting praise and pride from everyone involved.

So it came as a surprise last week when this dynamic work of architecture earned 16th place in a pool of 20 solar-powered homes. Granted, there were many interesting houses on display at the National Mall; students around the globe had worked tirelessly to turn design sketches into physical reality. But something seemed wrong about the subjective architecture rankings that knocked Cornell from its overall position in second place.

Having explored the 2009 Solar Decathlon houses (and many of those in 2007), I have become increasingly aware of the competition’s many shortcomings. Arbitrary judging might be included on this list of complaints, but there is another, more egregious problem with Solar Decathlon.

Transportation requirements, stringent competition rules and point-maximizing strategies weigh heavily on the design of nearly every house. As a result, the vast majority of Solar Decathlon entries look more like decorated shoeboxes than desirable living spaces —giving visitors the false impression that solar homes are trailer homes with a smattering of expensive gizmos. The subjective points attributed for architecture and engineering ought to counterbalance the negative incentives that block genuine innovation. But unfortunately they do not.

From the outset, CUSD sought to resist this normalizing trend. The team steered clear of typical rectangular floor plans with an explicit intention to “break the box.” Metal cylinders reminiscent of grain silos were employed to collect and re-concentrate activities into three “living modules,” clustered around an open courtyard. The configuration architecturally expressed the notion of programmatic and thermal zoning — an idea with important environmental implication at almost any scale.

Interior furnishings, thermal systems, landscape features and controls were each carefully designed and deployed to reinforce the design concept, promote sustainability, and push the limits of technology. A surprising union formed between the old-school formalism of Cornell architecture, the technical prowess of Cornell engineering and the quirky idealism of Ithaca, New York.

Approaching the Cornell house, one sees a slick photovoltaic array hovering above undulating walls of rusty steel. The coexistence of these two surfaces — the technological and the timeless — characterizes the entire project. Unlike so many futuristic designs, the “Silo House” reveals its age, materiality and vulnerability. It stumbles upon a new aesthetic in pursuit of an architecture that is both responsible and livable.

The judges at Solar Decathlon were more than unimpressed by these architectural qualities; they completely rejected them. Cornell’s entry was ranked among houses that were unoriginal, dysfunctional or incomplete. Why, then, was the Silo House able to captivate editors from The New York Times and The Washington Post? Why did the line of visitors in Washington, D.C. wrap around the entire house?

Perhaps the oddity that scared away a few judges was the same force that attracted so many others to the Silo House. Its success, therefore, can be gauged much more accurately by opinion and impressions than by points. Undoubtedly, the strong visual and conceptual identity of the house lodged itself into the minds of several thousand visitors. And so, as a tool for education and communication, the Silo House performed marvelously (officially garnering second place in the communications competition).

A quick look at this year’s winning houses clearly indicates the values espoused by the organizers and sponsors of Solar Decathlon: More power! More insulation! More space! These all sound like reasonable aspirations until you take them to their logical conclusion. Team Germany came closest to this extreme, and look at their bland result: an undifferentiated box with photovoltaics on all five sides.

Teams preparing to compete in 2011 can follow Team Germany’s example or follow Cornell. They will need to decide whether to submit to the competition rules in an attempt to win points or leverage the opportunity for national exposure to promote other more noble causes.

Students involved with the 2009 project are proud of what they accomplished and much wiser as a result of their efforts. But it is no fun to participate in competitions that don’t reward innovation and quality. If Solar Decathlon continues to be a high-tech shed competition, Cornell ought to move on and find another training ground for young practitioners to exercise their skills.

Cornell’s Solar Decathlon team has acted as a model for transdisciplinary collaboration in Ithaca for the past six years. The trail blazed by CUSD provides an interesting launching point for future endeavors that seek to leverage the diverse skills and resources found across campus.

A few key questions ought to be asked. How can students continue to interface across colleges? How can faculty, alumni and staff facilitate and contribute to this dialogue? Does environmental education deserve a place at Cornell? Students interested in these issues should look beyond the National Mall toward more fertile ground for innovation.

Reader Discussion (4 comments)

October 21, 2009 - 10:32am

alum (not verified) says:

Tim,

Good article and good questions. You might want to follow it up with an article around whether or not Cornell will compete in 2011. There are students that are interested in doing so, and who believe that interdisciplinary, hands-on learning opportunities such as this one enrich both their Cornell experience as well as Cornell itself. Students who look at our leading programs in architecture and engineering (as well as other programs like textiles, landscape architecture, interior design and business), and say, how can Cornell NOT be doing this?

Administration and faculty? Well, I won't speak for them. Why don't you go ask them whether or not they support an entry in 2011? Whether or not they're willing to commit the resources necessary to support 150 students and $800,000 in fundraising? I predict you will see a very uncomfortable shuffling of feet.

Good luck!

October 22, 2009 - 11:16am

Mr. Upstate (not verified) says:

But wait, Cornell came in second with their "shoebox" in 2005, which was probably the nicest looking house in the that year's competition for its simplicity. I agree that Germany's house was bland, but they know how to play the game.

You wrote:

"The Silo House performed marvelously (officially garnering second place in the communications competition.)"

The energy performance was closer to average for the contest. Unless it was a talking house or something I missed, what did the communications competition have have to do with the performance of the house?

The Cornell house looked fun, very different, and evoked curiosity and even excitement, but what would you really think if you saw it sitting in a field or neighborhood and just drove by. Seriously, it reminded me of oil tanks, with the superstructure and solar panels looking like industrial blight.

There was little about Cornell's house this year that was practical, or all that livable. Round rooms of silo dimensions are the opposite. The bed looked like the proverbial square peg trying to fit into a round hole.

I read the Cornell website trying to figure out what advantages such a design would present, in terms of sustainability and practicality in a real "post-agrarian" world and I was unable to come up with any.

October 23, 2009 - 9:11pm

Eric W. Potterfield (not verified) says:

As a person who had visited the Solar Decathlon in 2007 and 2009 it seems to me that this event now makes about as much sense as it does buying up gas guzzling SUV's during this brief period of cheaper gas. The main points they where pushing for the competition was scoring for energy production. The Germans certainly should get points for gaming this extremely flawed system. They were awarded 50 pts for their energy production and the runners up got a percentage of 50 pts according to their relative energy production. The next placed team I believe received 10 pts and the others dropped off considerably afterward. Covering the entire facade with PV panels gave them a certain advantage for energy production, but reduced the overall design significance, economy of materials, and efficiency of the panels themselves. Congratulations, you designed a clad box. There where much better strategies for bringing down energy consumption via passive design. The PV panels were on the north side of the building for goodness sake. At best your getting between 20-25% efficiency on a pricey product that inherently isn't very efficient in it's energy production. This is just the start of a longer rant, but I digress. The main problem of this competition is that it narrowly focuses on energy production and not on much larger design issues such as passive design and innovation. The Solar Decathlon now seems to be taking on the idea of design as we have in the past. They almost seem to be tempting us with this energy product methods that say "Don't worry, you won't have to change your lifestyle if we are not using cheap oil". Hopefully the Spanish Decathlon will be more inspiring.

November 17, 2009 - 4:50pm

positive (not verified) says:

square peg + round hole = conceptual flaw