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