Example Annual Savings

Example Lighting Scheme

For a city centre based, medium sized office

  • Lighting habits

    Monday to Friday: 07:00 to 20:00
    Saturday: 08:00 to 18:00
    Sunday: Closed
    Other times: Closed Christmas Day, Boxing Day and New Years day

  • Lighting Scheme

    2500 x 2ft fluorescent tubes
    300 x 4ft Fluorescent tubes
    150 x GU10 spotlights

  • Cost

    Electricity unit price £0.15

Annual Cost Comparision Existing Lighting Arrangement CTS-LED Lighting
CTS Maintenance Cost NIL £19,450.00
Electricity Consumption £42,673.14 £19,637.20
Lamp replacement (annual average over 5 years) £1,935.47 FREE
Labour provision (annual average over 5 years) £25,000,00 FREE
Annual Total £69,608.61 £39,087.20
TOTAL COST SAVINGS £30,521.41
Summary

Annual Cost Saving AFTER CTS maintenance charge has been deducted: £30,521.41 (44% saving)
Carbon Reduction: 8,314.75kg per annum

Trio Of Benefits

  • Savings

    Electricity savings:

    £115,179.70

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  • Eco

    A carbon saving of:

    41,573.75kg

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  • Maintenance

    A saving of:

    £37,427.35*

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* This represents the 5 year maintenance assumption, less the CTS maintenance figure