1 Lighting Stakeholder Meeting 2 California Statewide Utility

1 Lighting Stakeholder Meeting #2 California Statewide Utility Codes and Standards Program Heschong Mahone Group, Inc. Clanton & Associates, Inc. Integrated Lighting Concepts, Inc. September 21, 2010 4/27/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting ● Summary of current code requirements ● Typical practice ● Summary of code change proposals ● Data/findings ● Specifics of code change proposals ● Remaining data collection and analysis ● Specific stakeholder requests CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 2

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Current Code Requirements ● Prescriptive or Performance Compliance ● Performance – Computer Modeled Total Envelope Compliance (Systems Tradeoffs) ● Prescriptive Compliance (Lighting Stands Alone) ● Whole Building Method ● Building Area Method ● Tailored Method CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 3

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Typical Practice ● Prescriptive is Typical Practice ● Building or Area Method used for most spaces ● Tailored Method Frequently Used for: ● Retail ● Museums ● Hospitality ● Worship CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 4

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Summary of Code Change Proposals ● Reduce Display Lighting LPD’s (tailored) ● ● Base models on CMH (possibly some LED) Explore Uses of LPD Cap (in line with Washington & ASHRAE 90. 1 2010) ● Expand/Tighten Control Requirements ● ● Automated Controls – Tailored Compliance Display Window Controls – Tailored & Area ● Expand Daylighting for Retail ● ● Lower minimum foot-print requirement Tighten 14 -foot lay-in ceiling loophole CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 5

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Summary of Code Change Proposals ● Tailored Lighting Primary Target ● Reduce lighting power consumption while maintaining visual performance (display lighting LPD’s CMH) ● Fewer Tailored Compliance Occupancies ● Area Category Compliance Fine Tuning ● Adjustments to accommodate for special requirements previously found in Tailored CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 6

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Overview ● Lighting Practitioner Surveys ● ● Designers, engineers, contractors manufactures, suppliers and owners Over 1000 distributed - 98 responses ● Retail Store Site Surveys ● ● ● Discount, mainline and up-scale retail 167 technology surreys 60 detail surveys for excel models ● Modeling; Computer Simulations and Excel ● ● AGI -32 Computer Modeling Models with LPD technology studies using excel CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 7

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Profile of Practitioners CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 8

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Eliminate Tailored Method • No Clear Majority Opinion CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 9

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Tailored Method by Space Type • Used Mostly for Retail, Hospitality & Museum CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 10

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Tailored Compliance Use for Retail • 45% Use Tailored Almost All The Time • 67% Use Tailored Half of the Time NOTE: “Retail 100%” means all designs used Tailored Compliance CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 11

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys CMH & LED Accent Lighting by 2011 • 60% Rated “Good Or Better” Note: 2008 Survey 69% said CMH “Good or Better CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 12

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys CMH is an acceptable alternative to Incandescent & Halogen by 2011 • 74% Agree CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 13

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Expand Control Requirements Prerequisite for Tailored Compliance • 91% “Good or Better” CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 14

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Use of Controls for Display Windows • 79% “Good or Better” Not Acceptable Poor CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 15

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Practitioner Surveys Expand Daylight Requirements for Retail • 66% “Good or Better” CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys High End and Mainline Department Stores - 8 Five in California, One in Washington and Two in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys LPD’s for High End Upscale Department Stores W: 2. 7 W KEY: Compliance Washington 3. 0 T 24 -05 Tailored T: 2. 3 W T 24 -08 Tailored Lighting System A: 1. 6 W CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes § CFL & T 5 with: § HIR 70% § CMH 30% 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys LPD’s for Mainline and Discount Department Stores W: 1. 9 W KEY: Compliance A: 1. 6 W T: 1. 5 W ASHRAE 90. 1 -04 T 24 -05 Area Method Lighting Systems § T 8 and Metal Halide with: § HIR 30% § CMH 70% CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys High End Mall Sites - 5 Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys LPD’s for Existing High End Retail Shops KEY: Compliance T: T 24 -08 Tailored T W A W: Wash 2010 A: T 24 -08 Area Store Size Small Med Large Ave -All CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys Outlet Mall Sites - 3 Two in California and One in Washington CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Data/Findings - Store Surveys LPD’s for Existing Outlet and Discount Retail KEY: Compliance T: T 24 -08 Tailored T W A W: Wash 2010 A: T 24 -08 Area Store Size Small Med Large Ave -All CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Technology Profiles ● Frequency of Latest Technologies Used ● Technologies Used for Display Lighting ● Technologies Used for Ambient Walls Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 24

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Technology Profiles Frequency of Technology Use in Retail Stores KEY Number of stores using latest technology 1 = Less than 10% 2 = 10% to 30% 3 = 31% to 69% 4 = 70% to 90% 5 = More than 90% Technology Definition Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Latest technologies: CMH, LED, T 5, Advanced T 8, Halogen IR & Triple Tube CFL 9/21/2010 25

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Technology Profiles Existing Display Lighting Technologies • 46% Already Using CMH Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 26

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Technology Profiles Existing Ambient & Wall Lighting Technologies • 64% Already Using CFL, T 5 and Advanced T 8 Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 27

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Compliance Comparisons ● Washington Code LPD’s Versus Title 24 ● Washington Code Pass/Fail Versus Title 24 Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 28

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Compliance Comparisons Washington Code LPD Versus Title -24 6 w 5. 94 5 w 5. 02 4 w 3 w 2 w 3. 20 2. 80 2. 38 3. 0 2. 84 2. 40 1 w 0 w Designed T 24 -05 Ave. T 24 -08 Ave. WA 3. 0 WA 2010 Average Lighting Power Densities, Actual Versus Allowed for 61 Stores Surveyed CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 29

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Store Surveys – Compliance Comparisons Washington Code Pass/Fail Versus Title -24 40 35 39 37 36 30 25 25 20 24 15 10 27 27 T 24 -08 05 WA 3. 0 22 WA 2010 Comparing Compliance Results for the 61 Stores Surveyed CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 30

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling & Cost Analysis ● Display Lighting Mounting Heights ● Ceramic Metal Halide Cost Analysis ● LED Test Model for Display Lighting ● AGI-32 Detail Models ● Basic Small Retail ● Up-Scale Retail ● Precious Jewelry Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 31

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling & Cost Analysis ● Special effects & Decorative Lighting ● Incandescent versus CFL chandelier ● Incandescent versus CFL & LED pendant ● Incandescent versus Halogen sconce ● Fluorescent versus LED luminous panels ● Automated advanced lighting controls for small retail space Two in California Two in Washington and One in Arizona CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 32

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling – Display Lighting AGI-32 Model Various Mounting Heights • CMH Versus Halogen IR at 10 Feet • Equivalent CMH Performance at 15 Feet and 20 Feet 10 – Ft: 248 FC 55 W HIR 10 – Ft: 317 FC 23 W CMH 15 – Ft: 214 FC 39 W CMH 20 – Ft: 292 FC 70 W CMH CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 33

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Cost Analysis – Display Lighting Ceramic Metal Halide Versus Halogen IR • All but 20 W Dedicated CMH Cost Effective at 7 Years Criteria Used § Halogen IR base (T-24 2008 model) § 2008 TDV analysis § Time line - 7 years § Low volume luminaire and lamp purchases CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 34

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Cost Analysis – Display Lighting Ceramic Metal Halide Versus Halogen IR • 20 W Dedicated CMH also Cost Effective at 15 Years Criteria Used § Halogen IR base (T-24 2008 model) § 2008 TDV analysis § Time line - 15 years § Low volume luminaire and lamp purchases CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 35

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting LED Testing – Display Lighting LED Prototypes Versus CMH & Halogen 25 W CMH 10 deg 550 FC 12 W LED D 10 deg 390 FC 12 W LED B 10 deg 490 FC 47 W Halogen 9 deg 110 FC 13 W LED C 10 deg 470 FC CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 11 W LED A 7 deg 430 FC 9/21/2010 36

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling – Basic Small Retail AGI-32 Model Various Technology Solutions MODEL STATISTICS Ambient: 40 FC Walls: 1: 1 / 1: 2 Ratio Display: 5 to 1 Ratio MODEL PERFORMANCE W Sq. Ft. T 24 -08 Allowed: 3. 65 T 24 -08 Base: CMH Model: LED/T 5 Model: CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 2. 81 1. 53 1. 36 9/21/2010 37

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling – Upscale Retail AGI-32 Model Various Technology Solutions MODEL STATISTICS Ambient: 25 FC Walls: 1: 1 / 1: 2 Ratio Display: 10 to 1 Ratio MODEL PERFORMANCE W Sq. Ft. T 24 -08 Allowed: T 24 -08 Base: CMH Model: LED/T 5 Model: CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 3. 65 3. 59 2. 47 2. 19 9/21/2010 38

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Computer Modeling – Upscale Jewelry AGI-32 Model Various Technology Solutions MODEL STATISTICS Ambient: 25 FC Walls: 1: 1 / 1: 2 Ratio Case Tops 1: 3 Ratio Display: 10 to 1 Ratio MODEL PERFORMANCE W Sq. Ft. T 24 -08 Allowed: 4. 26 T 24 -08 Base: 4. 12 CMH/LED Model: 2. 27 CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 39

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Technology Modeling – Special Effects Lighting CFL Versus Incandescent Chandelier & Sconce MODEL STATISTICS Sconce: 2 -40 W-A vs. 2 -15 W CFL Chandelier: 4 -100 W-A vs. 4 -29 W CFL CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 40

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Technology Modeling – Special Effects Lighting LED & IR Halogen Versus Incandescent Decorative MODEL STATISTICS Pendent: Incandescent: 1 -40 W-A 19 Fluorescent: 1 -10 W CFL LED: 1 - 7 W LED module CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 41

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Technology Modeling – Special Effects Lighting LED Versus Fluorescent Luminous Panel MODEL STATISTICS Luminous Panel 4 Ft. X 12 Ft. Fluorescent: 180 W Linear T 8 LED: 72 W 4 -LED modules CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 42

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Controls Cost-effectiveness ADVANCED LIGHTING CONTROLS ANALYSIS MODEL LPD Recap General Lighting: 0. 52 W Floor Display: 1. 0 W Wall Display: 6. 2 W Store. Display: 2500 Square Foot Soft Merchandising Type: 11. 0 W Valuable CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 43

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Controls Cost-effectiveness ● Advanced Controls Versus Basic Time Clock ● Modeled 2500 foot simple retail space ● Includes multi task/zone and multi level control with sensors and load shed ability ● Cost-effectiveness Recap and Summary Annual Savings Using Advanced Controls $1, 946. 22 Cost over Minimum Control (Time Cock) $4, 200. 00 LPD Recap SIMPLE PAYBACK PERIOD General Lighting: 0. 52 W Floor Display: 1. 0 W Wall Display: 6. 2 W Valuable Display: 11. 0 W CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 2. 2 Years 9/21/2010 44

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals ● Remove Most Space Types from Tailored Except: ● Retail, Museums, Hotels, Dinning, Groceries, Worship, Mall Atria, Religious and Convention/Conference ● Merge Common Space Types Under Tailored ● Hotel, Dinning, Convention/Conference into Hospitality ● Retail Merchandise, Groceries and Dining into Retail CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 45

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals EXAMPLE: Adjustments to Area Category for Functions Removed from Tailored Compliance Primary Function T 24 -2008 T 42 -2011 Classrooms, Lecture, Training 1. 2 W Sq. Ft. *5 *6 Food Service: Kitchen & Food Prep 1. 6 W Sq. Ft. 1. 0 W Sq. Ft. *7 Library Reading Areas 1. 2 W Sq. Ft. *8 Stacks 1. 5 W Sq. Ft *5: 10 W per lineal foot of whiteboards and bulletin boards (non illuminated) *6: Additional 0. 6 W square foot for science labs over work/task surfaces *7: Additional 0. 8 W for task areas for Butcher Shop, Food Display, work tops, etc. *8: Additional 0. 5 W for ornamental and/or effects lighting CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 46

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals EXAMPLE: Merge Convention/Conference, Dinning, Hotel into Hospitality Category Hospitality Functions Illuminatio n Category Wall Display Floor Display Dinning Area D 2. 5 0. 4 Hotel Function Area B 1. 5 0. 6 Hotel Lobby D 2. 25 0. 2 Main Entry (other) C 3. 15 0. 2 C - 0. 2 Convention/Conference CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Ornamental & Special Effect 0. 5 9/21/2010 47

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals ● Wall Display LPD lowered from 17. 0 W to 15. 0 W ● Logic for recommendation ● ● Achievable with use of high efficiency T 5 and CMH lamping. CMH not required to reach compliance in lower ceilings and/or at lower light levels ● Designs desiring significantly higher illumination or with high ceilings must use CMH CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 48

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals ● Floor Display LPD lowered from 1. 2 W to 1. 0 W ● Logic for recommendation ● 2008 Model (Mom & Pop) allows for RP-2 compliant lighting without use of CMH ● 2008 Model more representative of typical strip/independent retail space. Lower General lighting LPD in 2008 model can supplement accent allowing 48 -55 W/IR versus CMH ● ● Designs with less efficient general lighting and desired higher light levels must use CMH CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 49

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals ● Effects LPD lowered from 0. 7 W to 0. 5 W ● Logic for recommendation ● 2008 Model based on standard incandescent (100 W A lamps and 40 W candelabras) ● CFL and LED lighting cost effective for many decorative and effects lighting applications Array of decorative halogen lamps now available (40 W can be replaced with 25 W halogen in candelabra base) ● ● Valuable merchandise area LPD lowered from 1. 0 W to 0. 8 W and valuable tops from 16 W to 12 W ● Same rational as for floor display LPD reductions CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 50

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specifics of Code Change Proposals Proposed Code Language – Retail CMH Model with (Cap) Tailored LPD’s T 24 -08 T 24 -11 Mounting Height Factor and CAP General Lighting 0. 9 W sq. ft. Floor Display 1. 2 W sq. ft. 1. 0 W sq. ft. Possible Adjustments to Mounting Height Factors Wall Display 17 W lin. ft. 14 W lin. ft. Effects Lighting 0. 7 W sq. ft. 0. 5 W sq. ft. Valuable Mech. Area 1 W sq. ft. 0. 8 W sq. ft. Valuable Mech. Tops 16 W sq. ft. 12 W sq. ft. None 5. 0 W Tailored LPD CAP CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes Maximum Allowed Cap 5. 0 W Placeholder 9/21/2010 51

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Remaining Data Collection & Analysis ● Review Area Method Compliance ● Adjustments to Area Compliance ● Additional Modeling ● T 24 Versus ASHRAE/IES 90. 1 2010 ● Re-Evaluate IESNA Criteria ● Stakeholder Requests CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 52

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Review Area Compliance ● Review Area Compliance Impact with Reference to Potential New Criteria ● Application and technologies changes ● IESNA Handbook 10 th Addition & RP-2 2010 CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 53

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Title 24 -08/11 Versus ASHRAE 90. 1 2010 ● Code Compliance Comparison and Evaluation ● ● Current T 24 -08 compliance versus ASHRAE/IES 90/1 2010 Proposed T 24 -11 compliance versus ASHRAE/IES 90/1 2010 CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 54

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Adjustments to Area Compliance ● Modify Area Compliance to Address Items Deleted from Tailored Method ● ● Expanded space type categories as needed to accommodate prior Tailored items Add wattage (use it / lose it) allowances for layers previously in tailored compliance CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 55

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Additional Modeling ● Big Box & High Atrium Re-Evaluation ● T 24 -2008 models (AGI-32 modeling) ● Re-run LPD’s with current technologies ● Evaluate using new IESNA RP-2 standards ● Model Additional Area Compliance Spaces ● ● Retail store area category spaces ● Department stores, groceries, drug and office ● Technologies and IESNA RP-2 2010 impact Other area category spaces ● Technologies and IESNA Handbook 10 th Addition impact CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 56

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Re-Evaluate IESNA Criteria ● IESNA Handbook 10 th Addition ● New illuminance categories ● ● ● Cross reference to 9 th addition handbook T 24 to use 9 th addition if 10 th not issued soon Changes in recommended illumination ● ● Aging Eye component Other variations from 9 th Addition standards ● IESNA RP-2 Retail Lighting Practice ● Lower illumination for some spaces ● ● Big Box, Grocery and Warehouse among others Lower display window illumination (especially nighttime) CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 57

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR-3 Indoor Lighting Specific Stakeholder Requests ● Sources for Additional Data ● Stakeholder Documentation ● ● ● Additional design templates for AGI-32 computer models from designer stakeholders Technical and performance lamp/luminaire data and costs from manufacturer stakeholders Stakeholder field studies ● Participate with interested stakeholders in technology testing and field evaluation (similar to the LED accent light testing presented) CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 58

CALIFORNIASTATEWIDE UTILITIES CODES AND STANDARDS PROGRAM NR 3 – Indoor Lighting ? QUESTIONS & COMMENTS CA Utilities 2011 Title 24 Stakeholder Meeting for Proposed Code Changes 9/21/2010 59