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Energy Technologies Area (ETA) researchers are continually building on the strong scientific foundation we have developed over the past 50 years. We address the world’s most pressing scientific challenges across the buildings, transportation, and industrial sectors. ETA is at the forefront of developing better batteries for electric vehicles; improving the country's aging electrical grid and innovating distributed energy and storage solutions; developing grid-interactive, efficient buildings; and providing the most comprehensive market and data analysis worldwide.
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About Us +
The Energy Technologies Area (ETA) is unique in translating fundamental scientific discoveries into scalable technology adoption. Our approach combines an understanding of the marketplace and the role of state and federal regulation and policies. ETA's research drives real-world, practical results that affect and improve the everyday lives of Americans and those across the globe. Saving energy and increasing resilience are key to the foundation of our research, which is driven by technoeconomic analysis and in-lab experimentation and discovery.

Publications: Daylighting Systems:Modeling Daylight

Publications by Research Area

Demand Response

Electricity Markets & Policy

Energy Efficiency

Industrial Energy Analysis

Renewable Energy

Sustainable Energy & Environmental Systems

Publications by Division

Building Technology (BTUS)

Energy Analysis (EAEI)

Energy Storage (ESDR)

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2021

Wang, Taoning, Gregory J Ward, and Eleanor S Lee."A Python Library for Radiance Matrix-based Simulation Control and EnergyPlus Integration."IBPSA Building Simulation 2021 (2021).

Thomson, Gregory D, Robert G Davis, Luis L Fernandes, and Taoning Wang."Achieving Integrated Daylighting and Electric Lighting Systems: Current State of the Art and Needed Research."Energies 14.13 (2021) 3833. DOI

2020

Gehbauer, Christoph, David Blum, Taoning Wang, and Eleanor S Lee."Integrated Dynamic Facade Control with an Agent-based Architecture for Commercial Buildings." (2020).

2019

Wu, Yujie, Taoning Wang, Eleanor S Lee, Jérôme H Kämpf, and Jean-Louis Scartezzini."Split-pane electrochromic window control based on an embedded photometric device with real-time daylighting computing."Building and Environment 161 (2019) 106229. DOI

2018

Wang, Taoning, Gregory J Ward, and Eleanor S Lee."Efficient modeling of optically-complex, non-coplanar exterior shading: Validation of matrix algebraic methods."Energy and Buildings 174 (2018) 464 - 483. DOI

2013

McNeil, Andrew."The Five-Phase Method for Simulating Complex Fenestration with Radiance." (2013).

Zuo, Wangda, Andrew McNeil, Michael Wetter, and Eleanor S Lee."Acceleration of the matrix multiplication of Radiance three phase daylighting simulations with parallel computing on heterogeneous hardware of personal computer."Journal of Building Performance Simulation (2013). DOI

2012

McNeil, Andrew, and Eleanor S Lee."On the benefits of a variable-resolution bidirectional scattering distribution data format." (2012) 5.

McNeil, Andrew, and Eleanor S Lee."A validation of the Radiance three-phase simulation method for modeling annual daylight performance of optically-complex fenestration systems."Journal of Building Performance Simulation April 2012 (2012). DOI

2011

Zuo, Wangda, Andrew McNeil, Michael Wetter, and Eleanor S Lee."Acceleration of Radiance for Lighting Simulation by using Parallel Computing with OpenCL."12th International Conference of the International Building Performance Simulation Association (Building Simulation 2011) (2011) p. 110-117.

Ward, Gregory J, Richard G Mistrick, Eleanor S Lee, Andrew McNeil, and Jacob C Jonsson."Simulating the Daylight Performance of Complex Fenestration Systems Using Bidirectional Scattering Distribution Functions within Radiance."Leukos, The Journal of the Illuminating Engineering Society 7.4 (2011). DOI

2009

Konstantoglou, Maria, Jacob C Jonsson, and Eleanor S Lee."Simulating Complex Window Systems Using BSDF Data."26th Conference on Passive and Low Energy Architecture (PLEA), June-22-24 (2009).

2005

Carroll, William L, and Robert J Hitchcock."DElight2 Daylighting Analysis in Energy Plus: Integration and Preliminary User Results."Building Simulation 2005 (2005).

1999

Carroll, William L."Daylighting Simulation: Methods, Algorithms, and Resources." (1999).

1995

Hitchcock, Robert J."Advancing Lighting and Daylighting Simulation: The Transition from Analysis to Design Aid Tools."International Building Performance Simulation Association Fourth International Conference (1995).

1993

Klems, Joseph H."A New Method for Predicting the Solar Heat Gain of Complex Fenestration Systems I. Overview and Derivation of the Matrix Layer Calculation."ASHRAE Transactions 100, Part 1 (1993).

Klems, Joseph H."A New Method for Predicting the Solar Heat Gain of Complex Fenestration Systems II. Detailed Description of the Matrix Layer Calculation."ASHRAE Transactions 100.1 (1993).

Papamichael, Konstantinos M, and Liliana O Beltran."Simulating the Daylight Performance of Fenestration Systems and Spaces of Arbitrary Complexity: The IDC Method."3rd International Conference of the International Building Performance Simulation Association, Building Simulation 93 (1993).