Lighting Savings Calculator
You have
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
200
300
400
500
1000
fixtures of
Metal Halide
High Pressure Sodium
Incandescent
T12 (4 lamps)
T8 (4 lamps)
T5
Compact Fluorescent
LED
light bulbs
The light area operates
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
hours a day,
1
2
3
4
5
6
7
days a week
10
20
30
40
52
weeks per year.
You are paying
$0.01
$0.02
$0.03
$0.04
$0.05
$0.06
$0.07
$0.08
$0.09
$0.10
$0.11
$0.12
$0.13
$0.14
$0.15
per kWh in electric and
$0.60
$0.70
$0.80
$0.90
$1.00
$1.10
$1.20
$1.30
$1.40
$1.50
$1.60
$1.70
$1.80
$1.90
$2.00
per ccf in gas
If you upgrade to
1
2
3
4
5
6
7
8
9
10
20
30
40
50
60
70
80
90
100
200
300
400
500
1000
fixtures of
Metal Halide
High Pressure Sodium
Incandescent
T12 (4 lamps)
T8 (4 lamps)
T5
Compact Fluorescent
LED
light bulbs