1. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 Sustainable Lighting –Better for employees, saves HR & energy costs Dr Wendy Buckley Carbon Footprint Ltd

2. www.carbonfootprint.com © Carbon Footprint Ltd 2015 Q: What is the best form of lighting for you?

3. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 A: Use Natural Light as much you can

4. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 …but using natural light all the time in most jobs isn’t practical…or always safe…

5. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015

6. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 The lighting hazards…and health problems they cause Glare Flicker Stroboscopic effects Blind spots Wrong lighting – colour discrimination Veiling reflections Strong contrast Optical radiation (UV risk) Migraines Headaches Eye Strain Stress/Anxiety Sleeping disorders Safety issues Cataracts, skin/eye burns 

7. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 But advice on best practice is at hand… General Office Lighting300 Lux Task Lighting750 Lux Source: HSE http://www.hse.gov.uk/humanfactors/topics/li ghting.htm#lighting

8. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 It can cost you dearly if you get it wrong…. Up to 90% of service business costs are employee related (Energy accounts for typically ca. 2-5% costs). – The annual absenteeism rate is ca. 4% – Costs on average £1600 per employee per annum – Poor mental health specifically costs UK employers £30 billion a year through lost production, recruitment and absence. – 131 million days were lost due to sickness absences in the UK in 2013 – Staff turnover – cost to HR to recruitment c, £20-40k per person

9. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 …And Lighting is a highly significant drain on global energy “Lighting consumes 14% of all electricity consumption within the EU and 19% of global electricity consumption”. International Energy Agency “Lighting requires as much electricity as is produced by all gas-fired generation and 15% more than produced by either hydro or nuclear power”. Light’s Labour’s Lost – Policies for Energy-efficient Lighting. IEA

10. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 How well do are we doing ? Ca. 75% of office lighting systems still inefficient – current switch over rate is 7% per year – average life-time of lighting installation = 25 years – huge differences in efficiency between old and new systems (energy saving potential 30-80%)

11. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 So What’s a Good Example … “It has been shown that we work better with natural light.” - Bernardo Fort-Breschia, Architect Tour Sequana, France T5 Luminaires & LEDs Automatic Venetian blinds Artificial Lighting automatically boosted when blinds act dimmed

12. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 And what can you do….even if you are an SME – Audit your lighting Measure your lighting – General lighting, task lighting, emergency, external – Illumination levels – Illumination type – Sensors, timers Look for conflicts – Switch it off! – Dirty windows / dirty skylights – Dull décor? – Blinds down – lights on when not needed? – Desk locations – can you move nearer natural light Check for the big ‘No-Nos’ – Poorly arranged lighting – Wrong type of lighting – From windows ( window coatings/films) Assess the business case for new lighting solution – Costs to new lighting, blinds etc – Energy saving (cot savings – Ascribe a value to productivity? Ask your staff – their experience

13. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 Lighting Audit – because of ESOS lots have done it: Office Replacement of T8 fittings with LEDs Project cost £19k Payback time 2.65y

14. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 Lighting Audit – because of ESOS lots have done it: Office example Replacement of T8 fittings with T5s Project cost £11k Payback time 2.1y

15. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 The Solutions….some very cheap

16. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 To Summarise – look again at your lighting Get lighting wrong – staff health, safety & morale at risk …and energy costs Get lighting right – enhances workspace, ‘healthier’ work environment, reduce energy costs and carbon emissions Cheap retrofit solutions – even for the smallest SME, very quick payback times

17. Carbon Footprint Ltd www.carbonfootprint.com © Carbon Footprint Ltd 2015 Carbon Footprint A dedicated Sustainability management company – helping organisations retain and win new business, meet the their environmental & CSR needs, save costs, and be compliant with new legislation Contact details: Dr Wendy Buckley Director 01256 345645/07757 499376 wendy.buckley@carbonfootprint.com www.carbonfootprint.com