04.15.15 energy design assistance program tracker 2
TRANSCRIPT
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NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC.
Introduction to EDAPT and OpenStudio
Andrew Parker Commercial Buildings Controls and Analysis Tools Team
April, 2015
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DOE’S Energy Modeling Ecosystem
OpenStudio bridges the gap between capable but complex engines and the easy-to-use applications that drive energy savings.
• Open Source • Cross Platform • Collaborative
The Technology Performance Exchange (TPEx) and Building Component Library (BCL) provide the raw data that powers the ecosystem.
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Today’s Focus:
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Energy Design Assistance (EDA)
Programs to incentivize advanced design
Primary tool to influence efficiency for beyond code new construction
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Challenges
1.EDA viability jeopardized as codes rise 2.Must reduce admin costs to remain viable 3.Must maintain quality and consistency
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Ways to Address
1. Lower administrative costs – Automate tracking and approvals – Streamline communications – Streamline reporting to regulators
2. Make energy analysis cheaper
– Analyze faster = more savings per hr worked – Consultants paid per kWh/kW/Dth saved
3. Find deeper savings
– Will soon require advanced technologies – Technologies can’t be modeled in current tools
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Xcel Energy’s Solution
1. EDAPT web service - Lower administrative costs – Tracks project status and next steps – Manages data and communications in one place – Reports program-wide outcomes
2. OpenStudio & EnergyPlus - Make analysis cheaper – Free, publicly available tools – Quickly model many EEMs – Automate QAQC – Analysis results directly into EDAPT – Automated report generation
3. OpenStudio & EnergyPlus - Find deeper savings – Expanding library of EEMs to model advanced tech quickly – DOE continues to support and add new technologies
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The Pieces
www.eda-pt.org
Energy Consultant: • Runs analysis with OpenStudio on their computer • Submits results to utility via www.eda-pt.org
Utility Program Reviewer • Reviews submissions/results • Approves/rejects
Web Service Tracks • Applications • Analysis results • Project status • Report templates • Utility review • Utility rollups
Customer/Design Team • Receive status updates
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– Tracks projects – Manages data and communications – Reports program-wide outcomes – Integrates with analysis tools
EDAPT Web Service
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Overview of EDAPT Workflow
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OpenStudio - EDAPT Integration
• EDAPT leverages open source tools and data sources – EnergyPlus: DOE’s flagship building energy
simulation engine
– Radiance: DOE’s daylighting analysis engine
– OpenStudio: Enables rapid development of tools for auditor and design practitioners
Easy-to-create baseline models
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OpenStudio - EDAPT Integration
• EDAPT leverages open source tools and data sources – EnergyPlus: DOE’s flagship building energy
simulation engine
– Radiance: DOE’s daylighting analysis engine
– OpenStudio: Enables rapid development of tools for auditor and design practitioners
– Building Component Library: Extensible online repository of modeling inputs and measures
Drag-and-drop EEMs from the Building Component Library make design alternative
modeling rapid and repeatable
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OpenStudio – EDAPT Integration
• OpenStudio packages results for upload – Required simulation results for all
design alternatives – Automated model quality checks – Automated EDA protocol checks
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Detailed Portfolio Tracking
Reports Reports Template Reports
OpenStudio – EDAPT Integration
EDAPT project data + OpenStudio output = Generated documents
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How is OpenStudio Different?
Just one word. Measures.
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Modeling Expert
Modeling Today
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Comprehend
Interpreting for energy modeling: This is Expensive!
Input
Modeling Today
ECMs
Simulation Program From concept to inputs…
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Knowledge is passed one-to-one: Inconsistent, not scalable
Watch closely.
Modeling Today
Simulation Program
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A better way to share modeling techniques.
Help!
?
What We Need
Simulation Program
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OpenStudio Measures are: Scripts that alter an energy model
OpenStudio Measure:
Do something to model
Model in Model out
It Exists!
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Add something Remove something Change something
Compute something
Report something
OpenStudio Measures Can…
} Efficiency Measures
} QA/QC Measures
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Old HVAC Removed DOAS Added
Night Setback Schedule Applied
Before
After
Daylighting Measure Package Applied Before
After
Example Measures
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Measure:
Do something to model
Sharing Expert Knowledge
Thanks!
Simulation Program
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Drag & Drop
Parametric Analysis Tool (PAT)
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Parametric Analysis Tool (PAT)
Set User Inputs
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Measure:
Do something to model
Sharing Expert Knowledge
Thanks!
Simulation Program
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Sharing Expert Knowledge Simulation Program
Measure:
Do something to model
Thanks!
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Energy Consultants (ECs): • Automate ECMs, and reuse them across many projects • Junior modelers can assess more ECMs, more quickly
EDA Program Managers: • Automate common ECMs, and share with all ECs • Automate QA/QC to catch common errors and protocol
violations
How EDA Programs Use Measures
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DOE’s Goal – National Impact
Working with: Austin Energy CPS (San Antonio) Duke Energy National Grid Others
DOE is making EDAPT available to all utilities nationwide
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Demo