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Marc Lopata of Azimuth Energy shows members of RESET a drone that will capture images of campus rooftops. The students were gathered at Sumers Recreation Center to observe the installation of new solar panels. (Photo: Sid Hastings/Washington University)

Is solar energy on the South 40 of Washington University in St. Louis feasible?

To answer that one question, the members of RESET, a new program from the Office of Sustainability, had to ask hundreds more.

Can the residential and office buildings of the South 40 support the weight of solar arrays? Do arrays work on a pitched roof? And what about government and university policies which regulate everything from worker safety to architectural aesthetics?

Another big question: Is it worth it? Sure, solar for solar’s sake sends a positive message. But solar that delivers returns requires a sophisticated understanding of available tax credits and rebates, financing plans and local utility costs.

“A lot of people  assume that all you need for a successful solar project is sunshine and some panels,” said senior Cole Goldklang, an economics major in Arts & Sciences who will work for GE Energy Financial Services after graduation. “But we learned business, policy and engineering aspects of renewable energy are all interconnected. There are so many variables, each with so many implications.”

RESET (which stands for Renewable Energy Student Engagement Team) was born this year out of sophomore Sophia Dossin’s search for interdisciplinary coursework in renewable energy. A double major studying environmental policy in Arts & Sciences and economics  and strategy in Olin Business School, Dossin understood the broad concepts that govern the energy sector. But she wanted to learn specifically about the challenges and opportunities connected to renewable energy. And she wasn’t alone.

“Clean, renewable energy is the future — we know that,” Dossin said. “But what makes a project happen? I had a lot of friends in the green community who knew their corner of the industry but wanted to really understand the entire landscape.”

Dossin brought her idea to Phil Valko, assistant vice chancellor for sustainability, and together they developed RESET as a for-credit experiential learning program. RESET’s 19 students, selected from a large field of applicants, were divided into teams — engineering, policy and business. The students largely taught themselves but also attended lectures on solar engineering, construction, policy and financing from Marc Lopata, president of Azimuth Energy and the university’s partner on its solar expansion project  on the Danforth, Medical and North campuses.

(From left) Mike Seger, of Aschinger Electric Co., Dave Baca, project manager, and Phil Valko, assistant vice chancellor for sustainability, lead RESET students on a tour of the Sumers Recreation Center roof. (Photo: Sid Hastings/Washington University)

“We do best when we use our campus as a living laboratory,” Valko said. “For RESET, there was a learning phase and a doing phase, with the students acquiring knowledge with an eye towards their final project. The fact that it was the South 40, a place that is or has been their home, made it all the more compelling.”

Kaylene Hung, a dual-degree student studying energy, environmental and chemical engineering in the McKelvey School of Engineering, led the engineering team. Her members studied drone images of South 40 rooftops, evaluated different solar design softwares and met with university facility managers while communicating with the other teams.

“I was really looking for an experience that took me out of the classroom,” Hung said. “All of us came from different starting points, but none of us fully understood the nitty-gritty details of these complicated projects. Learning together was the best part.”

Each new piece of information raised new challenges. For instance, during a meeting with university facility managers, the engineering team learned safety standards may require that the arrays be placed eight feet from the roof’s edge. Originally the team established a four-foot setback  in accordance with local fire codes. That news prompted the policy team to research safety guidelines, which can vary depending on the roof.  Meanwhile, the business team ran new models to evaluate if a smaller footprint would still be financially feasible. 

Still, other factors, such as scheduled roof replacements and the angle of certain roofs, made many buildings poor candidates for solar power. Ultimately, RESET determined that solar on the South 40 is feasible, but only on five of the site’s 40 buildings: Danforth, Liggett, Mudd, Park and Wheeler.

On April 18, students made their pitch to senior university leadership. They urged the university to act now to take advantage of expiring tax credits, make future construction solar-ready and to consider solar projects at Olin Library and Somers Family Hall.

RESET will host a public presentation of its South 40 solar plan at 6 p.m. Wednesday, April 24, in Simon Hall, Room 122.

Though more modest than RESET members had hoped, the proposal still would add 120 kilowatts of solar-generating capacity and save some $500,000 in energy costs during the 20-year life of the arrays.

“This is a fantastic time for the university to expand its solar,” Dossin said. “The incentives and stars are aligned. These solar installations meet the university’s environmental goals and demonstrate its leadership in this issue.”

Leaders were impressed by the students’ expertise and will investigate how RESET’s proposal aligns with the university’s broader efforts to reduce carbon emissions and lead the region as a top consumer of on-site solar energy.

“The incredible work of these students will not only help Washington University be a more sustainable campus, it will serve the broader global community,” said Valko, who will offer RESET again next semester. “They have acquired the skills and knowledge that are crucial for a career in the growing renewable industry.”

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