Current Lighting Fluorescent T-8 Lamps Fluorescent 4' Lamps - 2 Lamp Fluorescent 4' Lamps - 3 Lamp Fluorescent 4' Lamps - 4 Lamp Fluorescent 8' Lamps - Very High Output Fluorescent 8' Lamps - 2-8' T12 HO Fluorescent 8' Lamps - 2- 8' T12 Standard Lamp 1000 W HID (HPS, Metal Hallide or Mercury) 400 W HID (HPS, Metal Hallid or Mercury)

Quantity

KW/Hour Cost $0.04 $0.05 $0.06 $0.07 $0.08 $0.09 $0.10

Burn Hours 12x5 12x7 24x5 24x7