Conservation Program Overview April 11th, 2007 Bill Gruen
Xcel Energy
Conservation Programs Background
• Programs run through 2013
• Overall goals are 320 MW and 800,000 MWH
• Authorized to spend up to $196 million
• Annually: 40 MW, 100,000 MWH, $25M
Why use the conservation programs?
• Programs provide rebates to reduce project costs
– Improves project economics – May help projects move forward
• Projects help Boulder meet the GHG reduction goals
Conservation Programs for Businesses
• Currently Available
– – – – – – – Lighting Efficiency Cooling Efficiency Motor Efficiency Custom Efficiency Recommissioning Energy Design Assistance Compressed Air
• Additional program in design
– EMS
Prescriptive Program Similarities
• Pre-determined rebate amounts for the most common equipment upgrades/retrofits • Cash rebates
– Up to 50% of the project cost
• Available for existing facilities or new construction (including major renovation or additions) • Must be an Xcel Energy electric business customer in Colorado • No Pre-approval required
– Purchase and install equipment and then apply for rebate
• Subject to random verifications
Program Overview
–
Lighting Efficiency
Rebate requirements
• Weekday on-peak operation
• Indoor lighting only • Per fixture rebate based on the type of new equipment being installed • Overall wattage reduction • Customer has one year from invoice date to apply
Retrofits Covered
Existing (what was removed?) Fluorescent T12 fixtures Incandescent Proposed (what was installed?) Fluorescent T8, Super T8, or T5 lamps with electronic ballasts Hardwired compact fluorescent lamps (CFLs), fluorescent T8, Super T8, T5, metal halide, high pressure sodium, or pulse start metal halide fixtures
Metal halide or fluorescent T12 fixtures
Industrial multi-CFL fixtures
Retrofits Covered
Existing (what was removed?) 400W (mercury vapor, high pressure sodium, metal halide, or pulse start metal halide fixtures) Mercury vapor fixtures Proposed (what was installed?) High-bay fluorescent T8 6 or 8-lamp fixtures or T5 HO 4-lamp fixtures
Metal halide, high pressure sodium, or pulse start metal halide fixtures
Metal halide or high pressure Pulse start metal halide fixtures sodium fixtures Incandescent exit sign LED exit sign
Program Overview
Rebates also available for: • Low wattage T8 lamps (28w and 25w) • Reflectors
– Based on square footage of reflector
• Automatic Controls
– Occupancy Sensors • Wall Mount • Ceiling Mount – Photocells
Lighting Efficiency Retrofit rebates
Equipment Rebate
Fluorescent T8 or Super T8 lamps with electronic ballasts
Fluorescent T5 lamps with electronic ballasts High-bay fluorescent T8 or T5HO lamps with electronic ballasts
$5.00 - $18.00
$5.00 - $16.00 $75.00
Hardwired and modular CFL fixtures
Low Wattage T8 Lamps (25w or 28w) Metal halide and high pressure sodium fixtures Pulse start metal halide fixtures
$8.00 - $24.00
$0.50/lamp $17.00 - $45.00 $25.00 - $65.00
Reflectors
Occupancy sensors and photocells LED exit signs
$0.50/sq. ft.
$12.00 - $36.00 $6.00
Items Moving to Prescriptive soon
• 400w HID 6 Lamp T5HO
• 1000w HID multi-lamp T8 or T5HO • Premium efficiency ballast
• Delamping
– T12 T8 – T8 T8
Compact Fluorescent Requirements
• Hardwired (dedicated) and pin-based (modular) CFLs
• Not available for screw-in (integral) CFLs
Other Requirements
• High Bay T8 or T5HO Requirements
– – – – – < 240 W Lumen maintenance > 90% Fixture efficiency > 80% Initial Lumens ≥ 20,000 Must have reflectors
• Super T8 Requirements
– High Lumen lamp (3,100 initial lumens), other requirements – High Ballast Efficacy Factor – Go to www.CEE1.org for qualifying lamps and ballasts
New Construction Lighting
• Available to
– New buildings – Major renovations – Additions
• Eligible equipment
– – – – – Super T8s T5 Fixtures Hardwired CFL fixtures HPS, MH, and PS-MH High-bay T8 (6 or 8-lamp) and T5HO (4-lamp) fixtures
Lighting Efficiency New Construction rebates
Equipment Rebate $1.75 - $2.25 $2.00 - $2.50
Fluorescent Super T8 lamps with electronic ballasts
Fluorescent T5 lamps with electronic ballasts High-Bay Fluorescent T8 and T5 HO lamps with electronic ballasts Hardwired CFL fixtures Metal halide and high pressure sodium fixtures (150W or less) Pulse start metal halide fixtures
$12.00
$3.00 - $8.00 $6.00 $6.00 - $18.00
Program Overview
Motor Efficiency
Rebate Requirements
• New motors from 1-200 horsepower
– No rewound or repaired motors
• Must meet or exceed National Electrical Manufacturers Association (NEMA) Premium® motor efficiency standards • ODP or TEFC motors
Motor Rebate Levels
• Each horsepower has prescribed rebate amount
Note: Motors & VFDs > 200 HP must be submitted through the Custom Efficiency program and receive preapproval prior to purchase and/or installation
Motor Rebate Levels
Motor HP 1 1.5 2 3 5 Incremental Cost $ 46 $ 51 $ 52 $ 63 $ 66 Rebate Amount $ 10 $ 15 $ 20 $ 25 $ 35 Net Cost Energy Savings $ 7 $ 10 $ 12 $ 15 $ 23 Simple Payback (yrs) 5.1 3.7 2.7 2.6 1.3
$ 36 $ 36 $ 32 $ 38 $ 31
7.5
10 15 20
$ 104
$ 128 $ 143 $ 181
$ 50
$ 65 $ 75 $ 100
$ 54
$ 63 $ 68 $ 81
$ 42
$ 49 $ 67 $ 88
1.3
1.3 1.0 .9
Motor Rebate Levels
Motor
HP
25 30 40
Incremental Cost $ 194 $ 216 $ 317
Rebate
Net Cost
Energy
Amount
$ 125 $ 150 $ 200 $ 69 $ 66 $ 117
Savings
$ 98 $ 112 $ 131
Simple Payback (yrs) 0.7 0.6 0.9
50
60 75 100 125
$ 351
$ 466 $ 514 $ 690 $ 659
$ 250
$ 300 $ 350 $ 450 $ 500
$ 101
$ 166 $ 164 $ 240 $ 159
$ 158
$ 173 $ 207 $ 268 $ 327
0.6
1.0 0.8 0.9 0.5
150
200
$ 588
$ 812
$ 550
$ 600
$ 38
$ 212
$ 371
$ 483
0.1
0.4
Variable Frequency Drive (VFD) Rebate Requirements
• New VFDs only
– Prescriptive rebates for 1-200 horsepower • At least 4,000 hrs. per year • Two or more operating points < 55% loaded, 75% of the time • Automated control system – True PF ≥ .90
• Flat rebate of $30/HP
VFD Rebates – Qualifying Equipment
• VFDs included
– – – – – HVAC fans Pumps Cooling towers Process equipment Industrial fans
• VFDs not included
– Chillers – Refrigeration compressors – Air compressors
Non-included VFDs may qualify for Custom Efficiency rebates
Cooling Efficiency
• Rebates for purchasing and installing energy-efficient air conditioning equipment
– Available for small equipment up to very large equipment – Two level incentive • Base incentive • Bonus incentive – New or existing facilities
Qualifying Technologies
• PTACs • Water Source Heat Pumps • Condensing Units • Rooftop Units • Split Systems • Variable Air Volume Boxes • Oversized Cooling Towers • Chillers
Prescriptive Program Application Process
• PTACs
– Base: $50/ton, Bonus:$4/incremental 0.1 EER
• Water Source Heat Pumps
– Base: $50/ton, Bonus:$4/incremental 0.1 EER
• Rooftop Units
– Base: $50/ton, Bonus:$4/incremental 0.1 EER
• Condensing Units
– Base: $25/ton, Bonus:$4/incremental 0.1 EER
• Split Systems
– Base: $25/ton, Bonus:$3/incremental 0.1 SEER
Prescriptive Program Application Process
• Chillers-Scroll or Rotary Screw
– Base: $10/ton, Bonus:$3/incremental 0.01 kW/ton
• Chillers-Centrifugal
– Base: $12/ton, Bonus:$3/incremental 0.01 kW/ton
• VAV Boxes
– $200/Box, must replace a CAV system
• Cooling Towers
– $3/nominal tower ton
Sample Rebate Calculations
• Rooftop AC example
– – – – Assume 10 ton rooftop unit, 12 EER Minimum Efficiency is 11 EER Base rebate $50/ton $4/ton for each increment above base • 10 ton x $50/ton = $500 • (12 EER-11 EER)/0.1=10 • 10 ton x 10 x $4/ton = $400 • Total: $500 + $400 = $900
Prescriptive Program Application Process
• • • • • Determine if equipment qualifies Purchase and install equipment Complete rebate application Customer must sign application Submit application with invoice to Xcel Energy
• • • • Date and place of purchase Nameplate nominal efficiency Manufacturer and model or part number Labor Costs to install
• Rebate check sent to customer in 6-8 weeks
Program Overview
Custom Efficiency
Custom Efficiency
• Incentives for customers to encourage them to implement energy-saving projects or process changes that are not covered by the prescriptive programs
– Xcel Energy pre-approval required prior to equipment purchase
Custom Efficiency Requirements
• Pre-approval required prior to purchase • Simple paybacks between 1-15 years • Rebate amount offered valid for 1 year from pre-approval date • Rebates cannot exceed 50% of the project cost • Rebates apply to new equipment
– Leased equipment may qualify – Used equipment does not qualify
Program Overview
Energy Design Assistance
Energy Design Assistance Overview
• We work with commercial building owners, architects and engineers
• Evaluate potential energy-efficiency improvements • For new construction, major renovations or additions • Start when designing plans
Requirements
• >50,000 sq. ft. for commercial facilities
• >150,000 sq. ft. for housing • Early enough to influence decision-making
– Schematic design or design development Stages
Features
• Free energy modeling and verification
• Owner incentives for implementation • Payment to architectural and engineering team
Recommissioning Program
• Building Tune-up Program
• Offer incentives for energy study • Study evaluated the HVAC and energy management system • Offer incentives for implementing measures • Buildings must be 50,000 sq. ft. or greater
Compressed Air Program
• Dependant on compressor size - Xcel Energy funds study costs as follows:
– 50 - 99hp - Xcel Energy pays 100% of study cost up to $2,500 – 100+ hp - Xcel Energy pays 75% of study cost up to $15,000
• Reimbursed within 6 weeks after study is completed, reviewed and 50% of air loss repaired • Equipment rebate is through Custom Efficiency Program
Program Information
• • • • • • • • • • Go to Xcelenergy.com/rebates Enter your CO zip code In the left column look for the program name: Lighting Efficiency Cooling Efficiency Motor Efficiency Custom Efficiency Recommissioning Energy Design Assistance Compressed Air
Contact Information
Bill Gruen Trade Channel Manager 303-294-2082 william.gruen@xcelenergy.com
Jaclyn Schultz Marketing Assistant 303-294-2633 jaclyn.k.schultz@xcelenergy.com