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Displaying 1 - 9 of 9

Advanced Co-simulation Framework for Assessing the Interplay between Occupant Behaviors and Demand Flexibility in Commercial Buildings

September 2, 2024

Author(s)

Zhelun Chen, Jin Wen, Yicheng Li, L James Lo, Gabriel Grajewski, Vance (Wm.) Payne, Steven T. Bushby, Amanda Pertzborn, Zheng O'Neill, Zhiyao Yang, Caleb Calfa

With buildings contributing significantly to electricity usage, enabling demand flexibility becomes a challenge, especially when accounting for occupant comfort. This study introduces an advanced co-simulation framework that integrated a range of models

Working from Home and the Impacts on Residential Buildings

March 1, 2024

Author(s)

William M. Healy, Kristen Cetin, Richard Karg, Chandra Sekhar, Li Song, Jerzy Sowa, Iain Walker, Pawel Wargocki

The COVID-19 pandemic brought about a rapid and dramatic shift in the number of people working from home. For ASHRAE, the shift to more work from home has an impact on its mission. Most notably, key metrics for performance of the built environment

Method for Evaluating Fairness of Electricity Tariffs with Regard to Income Level of Residential Buildings

November 3, 2023

Author(s)

Hannah Covington, Brian Woo-Shem, Chenli Wang, Cuong Nguyen, Thomas Roth, Yuhong Liu, Yi Fang, Hohyun Lee

Modern advancements in energy technology, such as smart meters and renewable power generation, have contributed to the increasing penetration of time-variable electricity pricing plans. Under such plans, consumers experience a higher financial burden for

A Simulation Framework for Analyzing the Impact of Stochastic Occupant Behaviors on Demand Flexibility in Typical Commercial Buildings

June 27, 2023

Author(s)

Zhelun Chen, Yicheng Li, Jin Wen, Liang Chung Lo, Gabriel Grajewski, Zheng O'Neill, Amanda Pertzborn, Vance (Wm.) Payne, Steven T. Bushby

As one of the primary users of the electric grid, buildings and building equipment, including heating, ventilation, and air conditioning (HVAC) systems, can be leveraged to provide the flexible demand needed to balance the grid. Typical strategies to

Online Calculator to Evaluate the Impact of Airtightness on Residential Building Energy Consumption and Moisture Transfer

December 5, 2022

Author(s)

Niraj Kunwar, Som Shrestha, Andre Desjarlais, Gina Accawi, Lisa Ng, Laverne Dalgleish

Energy consumption in residential buildings is primarily driven by space conditioning applications. Space heating and cooling, on average, consume approximately 50% of the energy in the residential buildings in the U.S. The primary energy use due to

An Analysis of the Hybrid Internal Mass Modeling Approach in EnergyPlus

June 22, 2022

Author(s)

Zhelun Chen, Jin Wen, Steven T. Bushby, L James Lo, Zheng O'Neill, Vance (Wm.) Payne, Amanda Pertzborn, Caleb Calfa, Yangyang Fu, Gabriel Grajewski, Yicheng Li, Zhiyao Yang

Accurate simulation of building system dynamics is particularly important for understanding building energy flexibility. Among all dynamics in a building, a zone temperature's variation is especially important, as it significantly affects a building's

Load Forecasting Tool for NIST Transactive Energy Market

September 27, 2021

Author(s)

Farhad Omar, David Holmberg

Customers and transactive energy (TE) market managers may rely on load forecasting algorithms to purchase or sell power in a forward market environment, using day-ahead and real-time pricing structures. Accurate load forecasting becomes necessary when a