EnergyGauge – A LEED Energy Modeling Tool

UCF’s Florida Solar Energy Center (FSEC) released EnergyGauge Summit, an easy-to-use, state-of-the-art software that saves time while completing required energy modeling calculations for LEED projects.

This tool is for construction-industry professionals.

In 2007, FSEC, a research institute of the University of Central Florida, released EnergyGauge Summit Premier at the Greenbuild Conference in Chicago. This state-of-the-art software provides construction-industry professionals with the opportunity to substantially reduce the time required to complete energy modeling for the commercial construction LEED rating system.


The United States Green Building Council’s (USGBC) Leadership in Energy and Environmental Design (LEED) system is the leading green building rating system in the United States. The organization recently mandated that each project achieve at least two energy optimization points in their rating. EnergyGauge Summit Premier allows engineers to simply enter the design building characteristics and the software calculates everything else for these important point credits.

The software automatically creates the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) standard 2004 90.1 baseline building; performs the ASHRAE 2004 Appendix G rating procedure, and calculates the points achieved for LEED energy optimization.

At Greenbuild, FSEC also is demonstrating the ability to complete and submit the LEED 2.2 EA Credit 1 template to the LEED-Online database. This automatic baseline building-generation and template-completion feature will save the typical energy modeler many hours of time on each building.

The U.S. Department of Energy (DOE) has listed EnergyGauge Summit Premier as qualified software for calculating energy savings for the energy-efficient, commercial-building tax deduction under Internal Revenue Code Section 179D.

This easy-to-use new software product also calculates ASHRAE Standard 90.1 compliance based on the performance method as called for in IECC performance energy code compliance methodology. EnergyGauge Summit Premier is an advancement of a product that is used in Florida for commercial building code compliance by more than 1,500 users. The Premier edition includes nationwide climates and offers the automatic tax deduction and LEED energy optimization features.

The Windows-based program uses a DOE2 engine, originally developed by Lawrence Berkeley National Laboratory with U.S. Department of Energy support, to perform an annual 8,760-hour simulation (taking just a few seconds on typical new computers).

For more information on EnergyGauge Summit visit

Energy Gauge and FSEC

EnergyGauge energy analysis software is produced and distributed by the Florida Solar Energy Center (FSEC), a research institute of the University of Central Florida.

EnergyGauge is a registered trademark of FSEC. FSEC has been conducting research on energy efficiency in buildings since 1980. EnergyGauge software products include EnergyGauge Summit for commercial buildings, EnergyGauge USA for residential buildings nationwide and EnergyGauge FlaRes for Florida’s residential code compliance. EnergyGauge is on display at the Greenbuild conference at booth 892.

For more information visit

Florida Solar Energy Center

The Florida Solar Energy Center

FSEC, a research institute of the University of Central Florida, is the largest and most active state-supported energy research institute in the country. Current divisions and their research activities include Advanced Energy Research: alternative transportation systems, hydrogen fuel and fuel cells; Buildings Research: energy-efficient buildings; and Solar Energy: solar water and pool heating and solar electric and distributed generation systems.

Visit them online at

ASHRAE creates standards used internationally for building energy and ventilation performance such as ASHRAE 90.1 for commercial building energy performance. More information is available at

LEED is a registered trademark of the United States Green Building Council (USGBC) and represents The Leadership in Energy and Environmental Design (LEED) Green Building Rating System, the nationally accepted benchmark for the design, construction, and operation of high performance green buildings. One of the key elements for earning points in the popular LEED rating system is the building’s energy performance. For new buildings, the applicant can earn one LEED credit point for each 3.5% improvement in performance relative to ASHRAE/IESNA Standard 90.1-2004 using the Building Performance Rating Method in Appendix G of the Standard.

More information on LEED is available at

Tax Credits

You building may be able to receive tax credits based on energy savings. Since the original writing of this article, laws have changed.

Each of the three energy-using systems of the building, 1.) the envelope, 2.) the heating, cooling and water heating system, and 3.) the lighting system, may be eligible for one third of the incentive if it meets its share of the whole-building savings goal. Explicit interim compliance procedures are provided for lighting.

New construction in an existing building may also eligible for tax deductions, with one-third of the deduction amount for new construction that affects the new energy-using system (such as lighting or heating, cooling and water heating).

Compliance is determined by third-party inspectors who review the plans and the actual in-place construction. Energy savings are determined by software that must be certified by the Department of Energy as meeting criteria of consistency and accuracy. EnergyGauge Summit has been listed as qualified software by the U.S. Department of Energy.

EnergyGauge was developed by the University of Central Florida’s Florida Solar Energy Center. FSEC is a partner in the U.S. Environmental Protection Agency (EPA) ENERGY STAR® Homes program, the U.S. Department of Energy (DOE)  BuildingAmerica program, and an active member of RESNET , the national rating industry association.

Leave a Comment Cancel Reply