Cost to light one 60,000-watt field for 6 hours (5 pm - 11 pm) per day
(Seattle summer rates, 2001)

Cost to light 1
1000-kW
fixture

Cost to light 60
1000-kW
fixtures

watts

1,000

60,000

kWH (kilowatt hours = watts/1000)

1

60

hourly rate/summer 2001

0.076

0.076

cost to light 1 field for 1 hr [(watts x hrs)/1000]

0.076

$4.56

cost to light 1 field for 6 hrs

$27.36