REopt Lite User Manual

Anderson, Kate; Olis, Dan; Becker, Bill; Parkhill, Linda; Laws, Nick; Li, Xiangkun; Mishra, Sakshi; Kwasnik, Ted; Jeffery, Andrew; Elgqvist, Emma; Krah, Kathleen; Cutler, Dylan; Zolan, Alexander; Muerdter, Nick; Eger, Robert J.; Walker, Andy; Hampel, Chris; Tomberlin, G.

doi:10.2172/1770888

Cited by 13 publications

(7 citation statements)

References 5 publications

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“…The net electricity cost ( C elec ) represents energy and demand charges minus compensation for net exports to the grid. The calculation of energy bill savings given a specified utility tariff is described in the REopt Lite documentation . In this work, we incorporate traditional cost considerations, as well as resilience, but focus mainly on the valuation of climate and health benefits.…”

Section: Methodsmentioning

confidence: 99%

“…For climate damages, we consider only CO 2 emissions. While other greenhouse gases such as methane also increase climate damages, the CO 2 -equivalent emissions of non-CO 2 pollutants are relatively small for grid-sourced power . We utilize hourly short-run marginal emissions rates (SRMERs) for CO 2 from Cambium at the balancing area scale.…”

Section: Methodsmentioning

confidence: 99%

“…The calculation of energy bill savings given a specified utility tariff is described in the REopt Lite documentation. 59 In this work, we incorporate traditional cost considerations, as well as resilience, but focus mainly on the valuation of climate and health benefits. Figure 1 provides high-level model inputs, data sources, and relevant sections of this paper.…”

Section: Reopt Lite Modelingmentioning

confidence: 99%

“…While other greenhouse gases such as methane also increase climate damages, the CO 2 -equivalent emissions of non-CO 2 pollutants are relatively small for grid-sourced power. 59 We utilize hourly short-run marginal emissions rates (SRMERs) for CO 2 from Cambium at the balancing area scale. The hourly SRMER (t CO 2 /kWh enduse ) is the end-use emissions rate of the marginal energy source and is already adjusted for transmission, distribution, and efficiency losses in delivery to the end user.…”

Section: Reopt Lite Modelingmentioning

confidence: 99%

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Optimizing Solar-Plus-Storage Deployment on Public Buildings for Climate, Health, Resilience, and Energy Bill Benefits

Farthing

Craig

Reames

2021

Environ. Sci. Technol.

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Climate change, public health, and resilience to power outages are of critical concern to local governments and are increasingly motivating investments in on-site solar and storage. However, designing a solar-plus-storage system to co-optimize for climate, health, resilience, and energy bill benefits requires complex trade-offs that are not captured in current analyses. To fill this gap, we integrate the climate and health impacts of grid-purchased electricity into the REopt Lite optimization model using forwardlooking marginal emissions costs. Using this new model, we quantify the impact of including energy bill, climate, health, and/or power outage cost savings on the optimal sizing, battery dispatch, and economic returns of solar-plus-storage on three public building types (a hospital, school, and warehouse) across 14 U.S. cities. We find that monetizing and co-optimizing for climate and health benefits, as compared to only energy bill savings and resilience, increases the net present value of the solar-plus-storage systems by $200k to $5.2M and makes larger systems financially attractive. Our results illustrate significant differences across geographies and building types, highlighting the need for site-specific analyses and associated policies regarding the costs and benefits of solar-plus-storage.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Reopt Lite Modelingmentioning

confidence: 99%

Section: Reopt Lite Modelingmentioning

confidence: 99%

See 2 more Smart Citations

Optimizing Solar-Plus-Storage Deployment on Public Buildings for Climate, Health, Resilience, and Energy Bill Benefits

Farthing

Craig

Reames

2021

Environ. Sci. Technol.

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“…The REopt tool is a techno‐economic analyze tool that solves optimization problems to determine the optimal size of renewable systems by meeting the electrical and thermal loads at each time step at the minimum lifecycle cost 33 . However, REopt does not include building energy modeling 34 . Autodesk Green Building was developed for efficient buildings.…”

Section: Introductionmentioning

confidence: 99%

A certification tool for on‐grid net zero energy consumption buildings

Güğül

Bora²

2022

Env Prog and Sustain Energy

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Energy efficiency in buildings sector can provide influential solutions to the threats arising from the increase in carbon emissions. Since efficient design of the buildings and equipping them with renewable systems increases the final cost, strategies should be developed to encourage building owners. The first stage of these strategies is certification of these buildings. However, modeling of the buildings equipped with renewable systems is possible with the use of more than one software and requires detailed technical expertise. An easy-to-use software, where all calculations are conducted in a single software, will be useful in the spread of certification processes. For this reason, in this study, an easy-to-use software has been developed that can be used during the certification of zero energy buildings which eliminates the requirement of more than one software. The software makes use of the climate, electricity consumption, building, and renewable system properties data to predict the energy demand and production, and generate zero energy consumption building certificate.The heating demand, photovoltaic (PV) and wind system estimate of the software are verified by using real data and R 2 values are calculated as 0.92, 0.97, and 0.98 respectively. A certificated passive and zero energy consumption building is modeled in the developed software as a case study building and NZEB certificate was awarded to the building by the software. Therefore, in this study, an easy-to-use software is developed and verified to certificate the on-grid zero energy buildings that eliminates requirement of detailed technical knowledge and usage of more than one software.

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Energy Performance Calculation Method of Complex Energy Systems

Zhivov

2022

Energy Master Planning Toward Net Zero Energy Resilient Public Communities Guide

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REopt Lite User Manual

Abstract: Department of Energy (DOE) reports produced after 1991 and a growing number of pre-1991 documents are available free via www.OSTI.gov.

Cited by 13 publications

References 5 publications

Optimizing Solar-Plus-Storage Deployment on Public Buildings for Climate, Health, Resilience, and Energy Bill Benefits

Optimizing Solar-Plus-Storage Deployment on Public Buildings for Climate, Health, Resilience, and Energy Bill Benefits

A certification tool for on‐grid net zero energy consumption buildings

Energy Performance Calculation Method of Complex Energy Systems

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