Options | Incandescent | LED lamp Polaroid |
---|---|---|

Number of Lights | 10 | 10 |

Power of each lamp | 100 W | 12 W |

Total power of the lamps | 1000 W | 120 W |

The total number of working hours per day/year | 100/3650 h | 100/36500 h |

The total consumption of energy in the day/year | 10/3650 kW | 1.2/438 kW |

Consumption of electricity per year (5.03 rubles per 1 kW |
18360 rubles. | 2203 rubles. |

Costs for the purchase of lamps (10 pieces) | 200 rubles. | 4500 rubles. |

Lifetime of lamps | 1000 hours | 50000 hours |

The cost of buying new lamps instead blown for the year | 200 rubles. | - |

Total expenses for the year |
18760 rubles. |
6703 rubles. |

Savings for 1 year - 12057 rubles |
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The cost of buying new lamps instead blown over 5 years | 1000 rubles. | - |

Total costs over 5 years |
95600 rubles. |
11015 rubles. |

Savings for 5 years - 84 585 rubles |

* These are approximate, and are taken from the calculation rub.za 5.03 kW/h