__ROI Calculator__

A). Compute The total power (Kilowatts, KW) saved by upgrading older Bulbs to energy saving LED replacements | ||

Parameter | Unit | Numerical Value |
---|---|---|

Current Lamp Wattage: | W | |

Overdrive Lamp Wattage | W | |

Watts Saved | W | |

Number of Lamps | Bulbs Quantity | |

Total Watts Saved | W | |

Total KiloWatts Saved | KW | |

B). Compute the total energy (kilowatt hours, kWh) saved annually by performing this upgrade | ||

Parameter | Unit | Numerical Value |

Total KiloWatts Saved | KW | |

Hours of Use per Day | hrs/day | |

Days of Use per Week | day/week | |

Week of Use per Year | wks/y | |

Total KWH Saved per Year | KWH/yr | |

C). Compute the total energy cost saving per year | ||

Parameter | Unit | Numerical Value |

Total KWH Saved per Year | KWH/yr | |

Your Energy Cost per KWH | USD/KWH | |

Total Energy Cost Savings Per Year | USD/yr | |

D). Compute the lifetime energy cost savings | ||

Parameter | Unit | Numerical Value |

Replacement Bulb Life | hours | |

Hours per Year Usages | hr/yr | |

Total Energy Cost Savings Per Year | USD/yr | |

Lifetime Energy Cost Savings | USD | |

Parameter | Unit | Numerical Value |

Replacement Bulb Unite Price | USD/pcs | |

Initial Cost of LED Light Bulb | USD | |

Total Energy Cost Savings per Year | USD/yr | |

Simple Payback on Energy Consumption | Years | |

Return on Investment(ROI) | % | |

E). Compute the lifetime labor/inventory/acquistion costs savings from upgrading to longer life LED replacements | ||

Parameter | Unit | Numerical Value |

Replacement Bulb Life | hours | |

Original Bulb Life | hours | |

Labor Cost to Change Original Bulb | USD | |

Cost of Original Bulb | USD | |

How many Bulbs to Replace | Bulbs Quantity | |

Cost to Install Replacement LED Bulb | USD | |

Total Lifetime Bulb Changing Cost Savings | USD | |

F). Compute the amortized bulb changing cost savings per year | ||

Parameter | Unit | Numerical Value |

Total Lifetime of Replacement Cost Savings | USD | |

Total Lifetime of Replacement Bulb | Years | |

Total Amortized Replacement Cost Savings Per Year | USD | |

Parameter | Unit | Numerical Value |

Simple Payback on Energy Consumption Plus Replacement Costs | Years | |

Initial Cost of Lighting Upgrade Per Bulbs | USD | |

Total Energy + Replacement Cost Savings per year | USD | |

Return on Investment (ROI) | % |