Office Energy savings Example: Cell office, 2 x (4 x 18) Sense Sensor luminaires, used 3,200 hours per year, 0.4 €/kWh. The usage time goes down by about 30% when using Sensor. Quantity System output Energy consumption Cost per year CO2 emissions Payback period 1.8 years 4x18W 2 93.6W 599 kWh 282.20 € Sense 2 35W 157 kWh 62.70 € Savings 442 kWh 219.50 € 0.2 tonnes % - 78% - 78% 22 www.sglighting.co.uk
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