Seminar 07 -- NZEB from Foundation to Financing: Nonresidential Buildings

Track: Net Zero Energy Buildings: The International Race to 2030
Sponsor: 6.7 Solar Energy Utilization, 6.8 Geothermal Heat Pump and Energy Recovery Applications, TC 2.8
Chair: Janice Means, P.E., Life Member, Lawrence Technological University, Southfield, MIThis seminar addresses commercial solar PV systems and discusses the steps to be followed during the design phase including system sizing. Also, it demonstrates the importance of demand savings that should be included in the economic analysis of PV systems. Other topics such as tax credits, third party financing and ownership and other methods are discussed to give project design professionals a full understanding of the options available to them to move toward Zero Net Energy Buildings. In addition, sustainability in historic buildings and the use of renewable energy systems is covered.

1. Introduction to Solar Electric Design and Installation
Khalid Nagidi, BEAP, Member, Energy Management Consulting Group, Wantagh, NY
As the demand for solar electric systems grows, design professionals are looking to add solar PV as an option for their customers. This session covers grid-tied PV systems and provides attendees a solid understanding of the various solar PV components such as PV modules & inverters, system sizing, array configuration, shading analysis and estimation of energy production of a solar system based on site specifics including orientation and tilt angle. Also, different mounting and tracking systems is covered.

2. Photovoltaic (PV) Systems Impact on Electric Demand
Svein Olav Morner, Ph.D., P.E., CPMP, Member, Sustainable Engineering Group, Madison, WI
Larger buildings electrical rates typically allocate the cost of electricity towards demand. The cost for demand can be similar or even exceed the cost of energy. Because of this, the economics for large buildings PV systems are less favorable when only the energy cost savings are considered. The rational to not attribute demand savings to the PV system have been that a cloud can reduce the output for 15 minutes and the peak for the month or year will be set. This presentation demonstrates that demand savings should be included in the economic analysis of PV systems.

3. Financing and Ownership Alternatives for Large Scale Solar PV Projects
James Leidel, Member, Oakland University, Rochester, MI
The installed cost of solar photovoltaic installations has decreased significantly in the past decade. In some areas of the U.S.A. and many parts of the world, the long term 20 year cost of solar PV electricity is equal to or cheaper than the grid. However, the first cost hurdle must still be overcome by commercial projects. Tax credits, third party financing, third party ownership and other methods are discussed to give project design professionals a full understanding of the options available to move toward your Zero Net Energy Buildings.

4. Deep Energy Refurbishment of Historic and Heritage Buildings to Reach NZEB Status
Marija Todorovic, Ph.D., P.E., Fellow ASHRAE, University of Belgrade, VEA-INVI.Ltd Director, Belgrade, Serbia
Sustainability begins with preservation - maximizing the use of existing materials and infrastructure, reducing waste and preserving the historic character of older towns and cities. Land availability surrounding the locations/sites of most of historic and heritage buildings, original bioclimatic adaptability and currently available environmental technologies, including HVAC and mature technologies of renewable energies supply systems, can supplement inherent sustainable NZEB's features without compromising the unique historic character. Presenting studies (Aviation Museum and Institute for Conservation) addresses methodologies, current knowledge and technologies use in refurbishment design process, as well as importance of relevant benchmarking, rating system and financing scheme development.

Presented: June 25, 2017, 11:00 AM-12:30 PM
Run Time: 90 min.

This is a zip file that consists of PowerPoint slides synchronized with the audio-recording of the speaker (recorded presentation), PDF files of the slides, and audio only (mp3) for each presentation.