ILLUMINATING FACTS
Energy Efficient Light Bulbs
Since January 2012, federal legislation has required light bulbs to be more efficient.
Quick Reference Guide
The chart below shows currently available energy efficient bulbs.
OLD BULBS
100 Watt
Medium Base
75 Watt
Medium Base
60 Watt
Medium Base
40 Watt
Medium Base
NEW EFFICIENCY STANDARDS
Maximum wattage 72 Watts
Lumens (brightness) 1,490-2,600
Life (hours) 1,000
Maximum wattage 53 Watts
Lumens (brightness) 1,050-1,489
Life (hours) 1,000
Maximum wattage 43 Watts
Lumens (brightness) 750-1,049
Life (hours) 1,000
Maximum wattage 29 Watts
Lumens (brightness) 310-749
Life (hours) 1,000
NEW BULBS
Watts
Greater than
39 Watts
T12F34
F40
F96
T8F32
F96
19 Lumens per Watt 1,000
Life (hours)
Legislation doesn’t affect incandescent reflectors, PAR 16,
MR 16 and/or GU10
88-89 Lumens per Watt
MR 16 and/or GU10
Lifetime savings assumes $0.07 per kilowatt-hour electric rate and 900 annual operating hours.
CFL*
Compact
Fluorescent
Lamp
Light
Emitting
Diode
LED*
23
17
Energy Reduction
30%
75%
83%
Life (hours)
1,000
10,000
25,000+
Lifetime Savings
$2
$54
$160
Watts
53
18
13
Energy Reduction
30%
75%
83%
Life (hours)
1,000
10,000
25,000+
Lifetime Savings
$2
$40
$160
Watts
42
13
9
Energy Reduction
30%
75%
85%
Life (hours)
1,000
10,000
25,000+
Lifetime Savings
$2
$35
$160
Watts
29
9
6
Energy Reduction
30%
75%
85%
Life (hours)
1,000
10,000
25,000+
$1
$25
$160
65 Max
14
10
up to 30%
75%
85%
1,000
10,000
25,000+
$6
$50
$160
Watts
Energy Reduction
Life (hours)
Lifetime Savings
NEW
UPGRADES:
Watts
Legislation doesn’t affect incandescent reflectors, PAR 16,
Energy
Efficient
Incandescent
72
Lifetime Savings
PAR20
PAR30
PAR38
EEI
Energy Reduction
Life (hours)
Lifetime Savings
Standard T8 Lamp and
electronic ballast
Low Wattage T8 Lamp and low
ballast factor electronic ballast
72
25-28
30%
60%
20,000
30,000
$2
$5
*Choose a product with the ENERGY STAR® logo for maximum quality and performance.
Go to www.efficiencyworks.co/for-home
for a list of local retailers selling discounted energy efficient light bulbs and controls.
Loveland Water and Power
ILLUMINATING FACTS
Energy Efficient Light Bulbs
Quick Reference Guide
10/2014