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Projects Updates for key objective: 3.2 Expand On-Campus Solar Energy Production

  1. vertical solar idea

    Associated Project(s): 

    The Architecture Review Committee (ARC) got an inquiry about the possiblity of mounting solar vertically on south-facing walls (without windows).  This could be a sheer flush-mounted solar PV array immediately against the wall.  The PVs would not produce as much energy as a roof-top array, but there could be fewer issues with rooftop penetrations, etc.  The ARC noted that there is not a specific policy about this idea yet, and they would willing to work with the idea on installation on a case by case, building by building basis, at least until there is a comprehensive policy in place.

    For a given capacity of PV modules, a vertical wall will harvest 78% of the energy that a flat roof would, and 67% of the energy that could be harvested at a 40 degree tilt. While this is not ideal, the costs may be lower and the maintenance and roof loading concerns would not pertain.  Two possible candidates are the south wall of NSRC (which has no windows in the "central" part) and the south facade of the Tryon Festival Theater in Krannert, which is actually somewhat tilted

  2. Allerton Park Solar Array-Phase II

    Allerton Park already has a solar array located near its Visitors’ Center. The second phase of the Allerton Park Solar Array project involves working with a Learning In Community (LINC) class to construct a second ground-mounted solar recharge array. This second phase builds on the success of the existing array with the adjacent construction of an additional 60 panels. The design of the Phase 2 array utilizes an innovative floating foundation system that allows for portability of the array if necessary. The total array provides 14.7kW of peak power, which translates to a projected annual output of 14,653 kWh(about 15-20% of total apCAP solar goals). Power at the panel and array level can be monitored remotely and be publicly viewable via an online dashboard which displays the impact of the solar power contribution in terms of energy equivalents: gallons of gasoline, light bills, tons of coal, barrels of crude oil, and planted trees.

  3. Information about solar films

    Associated Project(s): 

    F&S Engineers provide input on solar film technology: "We experienced delamination with these in the past; about 25 years ago.  I’d be curious if the adhesives have gotten any better." - John Prince

    "Films have come a long way.  Like John, I have seen several versions of solar films and have not been impressed with their durability.  The newer films and coatings are much better but the effectiveness is still dependent to the quality of installation.  The films may have some applications on campus but must be evaluated in terms of cost.  The solar transmittance is low enough for me to question whether IHPA would have a problem with our historic buildings.  We would also want to avoid a checker board appearance if the product were applied randomly to a building windows.  I don’t want to dismiss the product but it does need more investigation." - Fred Hahn

  4. Solar Installations - preliminary list

    Associated Project(s): 

    Facilities & Services created a list of existing and planned Solar installations on campus:

    a.       Installed:

    i.         #1206 BIF – Approx. 3,700-4,000 s.f. on a building roof.

    b.      Active:

    i.        Approx. 20”x20” panel for a fixed speed radar detector near lot E-15.

    ii.       Approx. 20”x20” panel to power lights for pedestrian crossing on Springfield Avenue.  Lights have been removed due to maintenance issues.  Panel remains.

    iii.      Approx. 20”x20” panel for a mobile speed radar detector on Lincoln Avenue.

    iv.      Approx. 20”x20” panel for an electric tractor/mower charger.  Item is off the grid.  Location?

    c.       In Planning:

    i.         #0052 KCPA

    ii.       #0409 Electrical and Computer Engineering along with #1094 NCPD

    iii.       South solar farm

    iv.       Housing

    v.        #0118 ARC - Solar Thermal

                    vi.       Residence Hall #3

                   vii.       College of Engineering discussing something at MNTL with grant funds. 

     

  5. 2010 iCAP Solar goals

    Associated Project(s): 

    The 2010 iCAP included goals to increase renewable energy on campus.  Regarding solar energy, the 2010 iCAP said, "A full study for solar electric or thermal energies has not yet been conducted. Estimates of the built campus area of ~5 square kilometers can likely accommodate 5 percent solar photovoltaic (PV) array coverage as rooftop solar—or about 250,000 square meters, with peak generation capacity of 25 MW, and generating 45 million kWh of electricity. This has the potential to displace 10 percent of current campus electricity usage. Potential for larger tracking arrays on the South Farms also exists."  It also included the strategy, "Increase the amount of solar photovoltaic and thermal projects."

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