US Department of Energy’s Commercial Lighting Solutionseancia%20... · “Solutions” for...
Transcript of US Department of Energy’s Commercial Lighting Solutionseancia%20... · “Solutions” for...
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US Department of Energy’sCommercial Lighting Solutions
Consortium for Energy EfficiencyJune 9, 2008
Carol Jones, Associate IALD,IESNA, LCPacific Northwest National Laboratory
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Buildings represents a key market for many EERE technologies
Buildings as anIntegrator
USDOE Commercial BuildingsIntegration Program, Dru CrawleyCommercial Buildings Energy Alliances
The Commercial Lighting Solutions arecreated in support of DOE’s CommercialBuildings Energy Alliances:
Retailer Energy Alliance Real Estate Energy Alliance Institutional Energy Alliance Commercial Buildings Industry Alliance
NEW
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Retailer Energy Alliance
The mission of the Retailer Energy Alliance,broadly defined, is to be a collaborative,action-based organization committed toinvestigating, objectively evaluating, andbroadly deploying technologies that makemore significant energy efficiency gainspossible in the retail sector at prevailingcorporate investment requirements.
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The Next Frontier
1995 20152005
Cos
t, C
ompl
exity
, Ene
rgy
Savi
ngs
2025
T12 to T8electronic retrofits
Power Density kWh
HPT8systemsrequire
low/normal/
highballasttuning
Task-Ambientredesign
“IntelligentLighting”
&advancedcontrols
Solid State Lighting
Low Hanging Fruit Design Required
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Program Elements
Series of sector-specific“Solutions” for retail,
office, healthcare, andschools- 30% savings
Deployment of integrated lightingsystems into utility and EE programs
has never been done before
Performance Metrics - Market Characterization, Baseline & Impacts Assessment
Planning & Stakeholder Input
Lighting Solutions
Deployment into
Partnership- building: Technical & Deployment
Advanced LightingGuidelines (NBI)
Outreach & Visibility
Util
ity P
rogr
ams
Man
ufac
ture
rs
Loca
l Reg
iona
lEE
Pro
gram
s
NG
O’s
/As
soci
atio
ns
Tech
nica
lEx
perts
Nat
iona
lAc
coun
ts
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Summary
IESNA Lighting Handbook, 2000.Criteria
kW and kWhMetrics
End users, Utilities, EEPS, Lighting Industry, NGO’sStakeholders
PNNL, Lighting Designers*, Architects, Manufacturers**[working with: *International Association of Lighting Designers and **National ElectricalManufacturers Association based on IESNA Design Criteria]
Design Team
ASHRAE-IESNA Standard 90.1-2004[Future updates: ASHRAE-IESNA Standard 90.1-2001, Title 24, Savings by Design,CBECS, audit/actual]
Baseline
30% reduction in lighting energy consumption below 90.1-2004[in support of the new construction whole building goal of 50% savings by 2015, and theexisting buildings goal of 30% better than CBECS 2003 by 2025]
Goals
DOE Commercial Lighting Solutions
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Value ofLighting Solutions
• Cutting Edge. Next big opportunity set in lighting efficiency is integrated quality designusing progressive technology, daylighting, and controls.
• Focus on the End-Users. Created by nationally known expert lighting designers whounderstand the needs of the various retail brands, owners, and tenants.
• Deployment Partnerships. Strong deployment and outreach program elements areworking closely with stakeholders and partners to support their goals.
• Energy Savings Decision Tool. Lighting Solutions are delivered via an interactivewebtool and tied to an energy and economic analysis to support the decision process.
• W/SF ⇒ kWh. Energy savings quantified using kWh shows savings against a series ofcommon baselines (90.1-2004, 90.1-2001, Title 24, CBECS, etc.), and represents a wayfor utilities and EEPS to provide incentives for integrated systems using energyconsumption rather than connected load.
• Actionable Solutions. Lighting Solutions include detailed technical information inperformance specification language, geared toward the A&E audience.
• This is the “How-To.” Amidst a growing set of goals and mandates, the LightingSolutions provide badly needed technical guidance on HOW to achieve these goals.
Why are the Commercial Lighting Solutions valuable?
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Mandates andPrograms
Provides the missing link: “How-To” meet your goals
USDOECommercial
LightingSolutions
US GSA PBS-100
Energy Star Buildings
ASHRAE Advanced Energy Design Guides
Advanced Buildings Core Performance
Architecture 2030
Office of the Future
Energy Policy Act of 2005
State & Utility EE programs*
USGBC LEED EB & CI
* Various. Partial list includes: NGrid, Efficiency Vermont, NYSERDA, NEEP DLC, CEC, SCE, PG&E, SMUD, ETO, ECW, others!
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Mandates andPrograms
Provides the missing link: “How-To” meet your goals
USDOECommercial
LightingSolutions
US GSA PBS-100
Energy Star Buildings
ASHRAE Advanced Energy Design Guides
Advanced Buildings Core Performance
Architecture 2030
Office of the Future
Energy Policy Act of 2005
State & Utility EE programs*
USGBC LEED EB & CI
* Various. Partial list includes: NGrid, Efficiency Vermont, NYSERDA, NEEP DLC, CEC, SCE, PG&E, SMUD, ETO, ECW, others!
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What is aLighting Solution?
Lighting Solutions= Lighting Vignette +Controls Strategies
• Lighting Vignette: Lamp + Ballast+Luminaire + Layout/Reflected Ceiling Plan(RCP)
• Controls Strategies: Controls + Installation &Commissioning guidance
The Devil’s in the details - we must bespecific to get the results we want
Expert design Energy savings
Include daylighting where possible
Lighting Solutions are Integrated Systems
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Changingthe Metric
The down side of Power Density, aka watts per square foot
The time has come for an energy use metric to be widely used
Annual energy use requires data about usage over time
Solutions will vary by sector and application
Opportunities in Demand Response
Power Density kilowatt hours
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Relationshipto ALG
Well-established, used, and evaluated tool geared towardsdesigners / A&E’s
History of the document and the players / sponsors
New Buildings Institute (NBI) produces the document
Applications Chapter contains lighting examples, which will bemodified and expanded into “modules”
Modules will be synergized with Lighting Solutions; different levels ofdetail
Update to ALG Applications chapter will happen in context with fulldocument update over the next couple of years
Advanced Lighting Guidelines - NBI
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Criteria forDevelopment
30% savings beyond ASHRAE/IESNA 90.1-2004, which iscoincident with 50% below 90.1-2001 and the EPAct 2005 tax credit
Designs must meeting IESNA Standards, per Chapter 10 of TheLighting Handbook, 2000.
Technologies must be commercialized and reliable
Controls must have performance data for use in analysis
Lighting equipment at the cutting edge of efficiency, but will still allowfor healthy competition between manufacturers
Development process includes computer modeled lightingcalculations using industry standard software
Parameters for Inclusion in Solutions
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Retail RoundtableMeetings
Selected Attendee List
EEPS/Energy: NEEP, Energy Center of Wisconsin, Energy Trust of Oregon
Utilities: SCE, PG&E, National Grid, Efficiency Vermont
Federal: USDOE, USEPA
Retailers: Wal-Mart, Target, Whole Foods, Duane Reade
Energy Investment: Good Energies
NGOs: USGBC, NRDC
Architect: Gensler
NEMA: Acuity Lighting, Lutron, Leviton, Osram Sylvania (section chairs)
States: NYERDA, CEC
Buildings organizations: IALD, AIA,
Core Team: Renowned Lighting Designers, NBI, PNNL, BAH, Akoya
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• 30% reduction in lighting energy consumption belowASHRAE/IESNA Standard 90.1-2004
• Think kWh not LPD• Utilize daylight and control strategies• Design criteria, IESNA RP-2
Challenge & Process
• Design Charrette• Stakeholder input at Roundtable meeting #1• Design Development, point by point calculations• Stakeholder input at Roundtable meeting #2• Incorporate designs into the webtool
Process
Challenge
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• Lighting Designers:– Nancy Clanton / Dane Sanders; Barbara Horton / Jason Groob;
Randy Burkett / Ron Kurtz; Stefan Graf / Karl Geil
• Gensler Architects:– Andrea Cleveland, Robert Cox, Jeff Barber
• Manufacturers (NEMA):– Cheryl English, Bob Erhardt, Pekka Hakkarainen, Pam Horner,
Michael Jouaneh, Meg Smith
• Advanced Lighting Guidelines (NBI):– Cathy Higgins, Barb Hamilton
• Pacific Northwest National Laboratory:– Carol Jones, Michael Myer, Eric Richman, Ruth Taylor, Geoff Elliott,
Tyler Borders, Justin Almquist
• Booz Allen Hamilton:– Scott Thigpen, Sucheta Puranik
Design Charrette &Development Team
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Inspiration: Open AirGreen Market
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Existing Market
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Key Plan Specialty Market
Drawings donated by Whole Foods Market. Building category is Specialty Market.
• Daylighting– Top Lighting/Skylight– Vertical Storefront
• Ambient– Fluorescent
Downlighting• Accent
– Ceramic Metal HalideTrack
Lighting Approach
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Specialty MarketProduce – Vignette 1
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Specialty MarketProduce – Vignette 2
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Specialty MarketCalculations
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Specialty MarketProduce Design Vignettes
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Specialty MarketGM Design Vignettes
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Specialty MarketProduce Design Vignettes
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Key Plan – 1st Floor
Discount Big Box
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Discount Big BoxGeneral Merch. & POS
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Discount Big BoxSpecialty Display
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Analysis forEnergy Savings
Analysis for energy savings goes beyond connected load to includeoperating hours and results in an estimate of kilowatt hours persquare foot per year
Controls savings must be based on empirical, measured data andcited data sets
Optimize the possibilities for demand response strategies wherepossible
Analyze the economic impacts of the Lighting Solutions, to thedegree that it is possible
Whole building modeling and analysis in FY09
Translate LPD’s into energy used
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Analysis forEnergy Savings
Lighting Solutions need more than LPD comparison
• Must incorporate some form of lighting time-of-use to apply controlsavings
• May involve calculation by individual component (uplight vs. downlight)
• Can accommodate capacity rate savings and utility demand reductionsavings
A true energy use savings analysis/calculation process can bestraightforward ...but….
…the data to support accurate calculations is a critical element thatcan be difficult to obtain
True Lighting Solution energy savings:
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Analysis forEnergy Savings
Identify discrete lighted areas in buildings for appropriatecalculations. Separate by:• differing hours of operation• specific control/no control
Apply hours of operation to area LPD• Vary by building space, function, etc.
Apply daylight dimming and other control “factors” to affected areaLPD• Use appropriate effective solar factor• Use specific control effect data – will differ by control type and
application
Calculated “Best Estimate” method
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LPD-1 x operating hours-1 x Control Factor-1*+
LPD-2 x operating hours-2 x Control Factor-2*... +
LPD-n x operating hours-n x Control Factor-n
= “Total kWh/year”
Calculated “Best Estimate” Formula:
Where:1. “Control Factor” depends on control specifics and can be complicated. Must be
based on best available data.2. “Operating Hours” needs to follow varying controls and real operating differences.
Analysis forEnergy Savings
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Control Effects
Control System %
savings per Activity
Pre
-Open s
tock
ing
Sto
re O
pen W
/Dayl
ight
Sto
re O
pen W
/O D
ayl
ight
Post
-Clo
se S
tock
ing
Cle
anin
g
No C
ontrol P
erio
dU
nocc
upie
d
C1 Top Lighting 4% SFR 24% 0%
C2 Top Lighitng 3% SFR 30% 0%
C3 Dimming - Night Operation 30% 0%
C4 50% reduction (stocking) 50% 50% 0%
C5 Occ Sens (cleaning) 50% 0%
C6 Unoccupied - all off 0%
C7 no control 0% 0% 0% 0% 0% 0% 0%
Demand Response
Based on data
Estimated
Hard wired by choice
Required by 90.1 standard
Control effect matrix Conservative
estimates basedon similarresearch andboundaryconditions
Categorized byactivity type
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Specialty MarketControl Strategy
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Energy Savings
Specialty Market Energy Analysis
Design and Control System Base
LPD
Design
LPD
Energy
Savings
(kWh)
%
Savings
Cost
Savings
($)
Design #1 Control System A 1.7 1.30 204,939 47.3% $16,395
Design #1 Control System B 1.7 1.30 207,752 48.0% $16,620
Design #2 Control System A 1.7 1.23 217,911 50.3% $17,433
Design #2 Control System B 1.7 1.23 220,565 50.9% $17,645
Specialty Market 1 Control System A
Control System Design: Activity Time of Day
C4 50% reduction (stocking) Pre-Open stocking 5AM - 7AM
C1 Top Lighting 4% SFR Store Open W/Daylight 7AM - 10PM
C4 50% reduction (stocking) Cleaning 10PM - 1 AM
C6 Unoccupied - all off Unoccupied 1AM - 5 AM
Specialty Market 1 Control System B
Control System Design: Activity Time of Day
C4 50% reduction (stocking) Pre-Open stocking 5AM - 7AM
C1 Top Lighting 4% SFR Store Open W/Daylight 7AM - 7PM
C3 Dimming - Night Operation Store Open W/O Daylight 7PM - 10PM
C4 50% reduction (stocking) Cleaning 10PM - 1 AM
C6 Unoccupied - all off Unoccupied 1AM - 5 AM
Specialty Market 2 Control System A
Control System Design: Activity Time of Day
C4 50% reduction (stocking) Pre-Open stocking 5AM - 7AM
C1 Top Lighting 4% SFR Store Open W/Daylight 7AM - 10PM
C4 50% reduction (stocking) Cleaning 10PM - 1 AM
C6 Unoccupied - all off Unoccupied 1AM - 5 AM
Specialty Market 2 Control System B
Control System Design: Activity Time of Day
C4 50% reduction (stocking) Pre-Open stocking 5AM - 7AM
C1 Top Lighting 4% SFR Store Open W/Daylight 7AM - 7PM
C3 Dimming - Night Operation Store Open W/O Daylight 7PM - 10PM
C4 50% reduction (stocking) Cleaning 10PM - 1 AM
C6 Unoccupied - all off Unoccupied 1AM - 5 AM
Notes: 1) Energy Savings include LPD and control savings. 2) Cost savings are basedon $0.08/kWh and do not include any time-of-use demand or response program savings.
Preliminary
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Webtool DemonstrationBeta Version 1
PLEASE give us feedback!!
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Implementation Instructions Packet Contains summary of on-screen information
Contains more detailed information geared towards the design team audience
RCP’s with luminaire tags, with a detailed luminaire schedule
Information on modeling assumptions-- aisles, heights, partitions,reflectances, etc.
Guidance on how to apply Lighting Solutions to your project, and how to dealwith changes and tweaks
Detailed information on controls-
Guidance on installation and commissioning, maintenance and operations,measurement and verification
Caveats / Tips / Rules of Thumb
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Commercial LightingSolutions - Next Steps
• User interface to capture actual project information• Gather feedback on Beta Webtool & make changes• Additional Retail Lighting Solutions, working with Retailer Energy
Alliance members• Start development of Office Lighting Solutions in partnership with Office
of the Future project (OTF)– Spearheaded by Southern California Edison & partners, Doug Avery, PM
• Continue progress on updating the applications chapter of the AdvancedBuildings Guidelines– New Buildings Institute, Barb Hamilton, PM
• Launch of USDOE Commercial Real Estate Energy Efficiency Alliance(CREEA)
• Pilot projects using Lighting Solutions, with M&V• Work with utilities towards designing programs to provide incentives for
integrated lighting systems, kWh based rebates• [email protected]
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Mission success requires more than just bettertechnology, it requires scalable and integrated
design solutions. Let’s make it happen.
Conclusion