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Project Updates for collection: Renewable Energy Projects

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  1. meeting updates

    Associated Project(s): 
    Install Solar PVs on NCPD

    Yesterday’s meeting covered more refined and detailed breakdown of the following topics, most of which were discussed in prior meetings, with the exception of the newly introduced structural support “Space Frame” option.

    • Panel layout configurations for truss mounted structural frame- 4 sections of seven rows at approx. 100 modules/row or four sections of six rows also 100 modules each. Truss mounting providing specific spacing for mounting dimensions. Also mentioned types of Truss material recommending tubular over welded angle, siting weatherization, degradation, appearance and animal habitat prevention as main reasons.
    • Space Frame structure was introduced as a favorable option.
    • A space frame is a structure system assembled of linear elements so arranged that forces are transferred in a three-dimensional manner. In some cases, the constituent element may be two dimensional.
    • Macroscopically a space frame often takes the form of a flat or curved surface.
    • It should be noted that virtually the same structure defined as space frame here is referred to as latticed structures in a state-of-the-art report prepared by the Task Committee on Latticed Structures [2], which states
    • A latticed structure is a structure system in the form of a network of elements (as opposed to a continuous surface). Rolled, extruded or fabricated sections comprise the member elements.
    • Another characteristic of latticed structural system is that their load-carrying mechanism is three dimensional in nature.
    • Space frame benefits although more costly up front were presented as prefabricated, galvanized and powder coated, sturdy, longer Life cycle and less maintenance, but requiring cranes and other installation costs. They also have installer requirements for mounting solar array as to maintain the integrity of the coating and protective surfaces. Provided flexible mounting spacing to help maximize power output and minimize shading.
    • Inverter layout revisited with schematic diagram presented illustrating component placement and wiring layouts.
    • An overall electrical schematic was presented identifying key component placing and overcurrent protection limits and needs, along with electrical room Layout.
    • Metering usage stated existing meters could be utilized with the addition of a revenue grade power production meter to monitor the array output.
    • Single line diagram was presented identifying current and project components, mentioning the output potential of 1400-1600 amps at 480 volts.
    • Introduced idea of rainwater harvesting for irrigation or toilet flushing usages.
    • Procurement procedures mentioned and moved as major topic for next meeting with concerns of turnkey type purchasing being the industry norm verses purchasing standard variety purchasing from multiple vendors in normal construction.
    • Next meeting PEP is having the structural Engineers present design considerations, and Mr. Jim Lev will have construction procurement representative attend.

  2. NCPD conceptualization mtg

    Associated Project(s): 
    Install Solar PVs on NCPD

    Today’s meeting covered LED fixture questions and concerns:

    They presented data and layout with luminescence patterns for 2 fixtures one costing $400. 00/fixture and another $1000.00/fixture. It was mentioned that we need dimming features but no specifics on how or the criteria for that.

    Also covered were:

    • different configurations for trusses and rows of PV modules, scaffolding, and height and spacing requirements for same.
    • The module size and efficiency requirements needed to create 1600(Mwh) of power annually, along with quantities per different sq/ft
    • Drainage for the snow and rain off of the modules, along with snow removal equipment in the bay areas
    • Shading impact due to elevator towers, and overlapping rays during the winter months effecting production and how to handle these issues
    • Central inverter scheme being the most effective and the optional layouts and wiring for same.
    • DC combiner boxes layout scheme and wiring to reduce the effects of shading on power production

  3. Solar Installations - preliminary list

    Associated Project(s): 
    Solar Power on Campus

    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. 

     

  10. Board of Trustees approves Solar Farm

    Associated Project(s): 
    Solar Farm 1.0

    The Board of Trustees for the University of Illinois approved the purchase plans for the Solar Farm on Thursday.  The next steps are to complete the Development Agreement, Land-Lease Agreement, and Power Purchase Agreement.  Once these are completed, the Solar Farm vendor will begin the design and implementation of the Solar Farm at the southwest corner of Windsor Road and First Street.  The entire site should be completed and operational by the end of 2013.

  17. SSC formal proposal submitted via email

    Associated Project(s): 
    Solar Farm 1.0

    Due to the Board of Trustees meeting schedule, the SSC has agreed to do a straw-poll about the funding of the Solar Farm project at their upcoming meeting on Oct. 26, 2012.  They requested a full proposal be submitted this week, for review by committee members this coming week.  The submitted proposal and associated calculations are attached here.

    Attached Files: 

  19. BAFO will remain in effect until end of calendar year

    Associated Project(s): 
    Solar Farm 1.0

    Within the RFP, we requested that any offer be valid for 120 days. However, this project will most likely go to the Board of Trustees in November, which would be beyond the 120 day period. Therefore, Kim Porter requested an extension from the Preferred Vendor, and they have agreed to hold the offer firm until the end of this calendar year (2012).

    Specifically, the vendor said "Yes, we can honor our price through the end of the year. We’d be happy to become more engaged in the planning process with the University if appropriate. Please let me know if there is anything we could do."

  20. F&S meeting with SSC re: Solar Farm

    Associated Project(s): 
    Solar Farm 1.0

    Jack Dempsey and Morgan Johnston from F&S met with Marika Nell (chair) and Mckenzie Beverage (program advisor) from the Student Sustainability Committee (SSC). This meeting was to give an overview of the Solar Farm project, and the anticipated funding needs.

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