Sustainable Lighting Better for employees saves HR energy
Sustainable Lighting –Better for employees, saves HR & energy costs Dr Wendy Buckley Carbon Footprint Ltd © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
Q: What is the best form of lighting for you? © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
A: Use Natural Light as much you can © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
…but using natural light all the time in most jobs isn’t practical…or always safe… © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
© Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
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) • • • © Carbon Footprint Ltd 2015 Migraines Headaches Eye Strain Stress/Anxiety Sleeping disorders Safety issues Cataracts, skin/eye burns Carbon Footprint Ltd www. carbonfootprint. com
But advice on best practice is at hand… • General Office Lighting • Task Lighting 300 Lux 750 Lux Source: HSE http: //www. hse. gov. uk/humanfactors/topics/li ghting. htm#lighting © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
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 -40 k person © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
…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 © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
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%) © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
So What’s a Good Example … “It has been shown that we work better with natural light. ” Bernardo Fort-Breschia, Architect Tour Sequana, France T 5 Luminaires & LEDs Automatic Venetian blinds Artificial Lighting automatically boosted when blinds act dimmed © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
And what can you do…. even if you are an SME – Audit your lighting • Measure your lighting – – • Look for conflicts – – – • 3. 7% 0. 4% 2. 5% Lighting 9. 7% Poorly arranged lighting Wrong type of lighting From windows ( window coatings/films) Office Equipment 41. 8% Assess the business case for new lighting solution – – – • 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’ – – – • General lighting , task lighting , emergency, external Illumination levels Illumination type Sensors, timers Air conditioning Fans/AHU's Heating 41. 8% Hot Water Costs to new lighting, blinds etc Energy saving (cot savings Ascribe a value to productivity? Ask your staff – their experience © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
Lighting Audit – because of ESOS lots have done it: Office Replacement of T 8 fittings with LEDs • Project cost £ 19 k • Payback time 2. 65 y © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
Lighting Audit – because of ESOS lots have done it: Office example Replacement of T 8 fittings with T 5 s • Project cost £ 11 k • Payback time 2. 1 y © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
The Solutions…. some very cheap © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
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 © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
Carbon Footprint • A dedicated Sustainability management company – helping organisations retain and win new business, meet 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 © Carbon Footprint Ltd 2015 Carbon Footprint Ltd www. carbonfootprint. com
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